CN108731649A

CN108731649A - 2000 Surveying & Mapping Benchmark unified frame method, apparatus and computer readable storage medium

Info

Publication number: CN108731649A
Application number: CN201810215672.2A
Authority: CN
Inventors: 欧海平; 秦亮军; 刘洋; 喻永平; 余锐; 张�荣; 刘业光; 程晓晖; 王天应; 罗峰; 娄俊萍
Original assignee: Guangzhou Urban Planning Survey and Design Institute
Current assignee: Guangzhou Urban Planning Survey and Design Institute
Priority date: 2018-03-15
Filing date: 2018-03-15
Publication date: 2018-11-02
Anticipated expiration: 2038-03-15
Also published as: CN108731649B

Abstract

The present invention provides a kind of 2000 Surveying & Mapping Benchmark unified frame method, apparatus and computer readable storage mediums, and the method includes establishing the CORS base stations major network of target cities and equal accuracy CORS base station expansion nets；To save the base station of CORS systems as Fixed Initial Point, and in such a way that Fixed Initial Point transmits, respectively to CORS base stations major network, equal accuracy CORS base stations expansion net, the first control net, the second control net and third control net progress compensating computation, the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and 2000 coordinates that CORS base stations major network, equal accuracy CORS base stations expansion net, the first control net, the second control net and third control are netted are obtained.This method unified Surveying & Mapping Benchmark frame on the basis of CORS systems, can realize Dynamic Maintenance and the update of 2000 geodetic coordinates of target cities, while can realize the information sharing of coordinate system, facilitate city management and urban construction.

Description

2000 Surveying & Mapping Benchmark unified frame method, apparatus and computer readable storage medium

Technical field

The present invention relates to city coordinates to convert calculating field, and in particular to 2000 Surveying & Mapping Benchmark unified frame methods of one kind, Device and computer readable storage medium.

Background technology

Surveying & Mapping Benchmark refers to the basis of the national start of calculation foundation and various mapping systems entirely surveyed and drawn, including selected Various geodesic survey parameters, unified start of calculation face start datum mark, start orientation and related place, facility and name Claim etc., the Surveying & Mapping Benchmark that China uses at present includes mainly geodetic datum, height datum, depth datum and gravity datum.Gravity Basic net, vertical control network, national horizontal control net, National GPS control net.

Currently, there are the situations that multi-coordinate shares in terms of Surveying & Mapping Benchmark for a long time for China's most cities, it is different Department and area use different coordinate systems as administration foundation, such as the Guangzhou of urban planning and urban construction field 2000 coordinate systems, the Xi'an Geodetic Coordinate System 1980 in Territorial management field, Huadu, Fanyu, Zengcheng, from change etc. regions place independent coordinate System etc..More set coordinate systems simultaneously deposit the cost and difficulty for not only increasing information sharing, the maintenance of 2000 geodetic coordinates, business linking Degree also brings many inconvenient even contradictions to city management and urban construction, causes some unnecessary coordinations and administrative risk.

Invention content

The object of the present invention is to provide a kind of 2000 Surveying & Mapping Benchmark unified frame method, apparatus and computer-readable storage mediums Matter, the method unified Surveying & Mapping Benchmark frame on the basis of CORS systems, can realize 2000 geodetic coordinates of target cities Dynamic Maintenance and update, while can realize the information sharing of coordinate system, facilitate city management and urban construction.

An embodiment of the present invention provides a kind of 2000 Surveying & Mapping Benchmark unified frame methods, including：

Is obtained respectively from province's CORS systems on multiple CORS systems of target cities and the target cities periphery The base station of the base station of one setting quantity and the second setting quantity is established corresponding described with the first setting quantity respectively The CORS base stations major network of target cities and the equal accuracy of the target cities corresponding with the second setting quantity CORS base station expansion nets；Wherein, the province CORS systems are the corresponding CORS systems of province belonging to the target cities；

Using the base station of the province CORS systems as Fixed Initial Point, compensating computation is carried out to the CORS base stations major network, is obtained Obtain the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and the target cities of the CORS base stations major network 2000 coordinates；

Using the CORS base stations major network as Fixed Initial Point, adjustment meter is carried out to the equal accuracy CORS base station expansion nets Calculation is handled, and obtains the corresponding CGCS2000 geodetic coordinates of base station, 1980 west of the equal accuracy CORS base station expansion nets Sit idly mark and the target cities 2000 coordinates；

Using the CORS base stations major network as Fixed Initial Point, respectively to the first control net of the target cities, the second control Net and third control net carry out compensating computation processing, obtain the first control net, the second control net and institute respectively State the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and 2000 seats of the target cities of third control net Mark.

Preferably, in multiple CORS systems from target cities and province's CORS systems on the target cities periphery The base station for obtaining the base station and the second setting quantity of the first setting quantity respectively, establishes set quantity with described first respectively The CORS base stations major network of the corresponding target cities and with the corresponding target cities of the second setting quantity Equal accuracy CORS base station expansion nets；Wherein, the province CORS systems are the corresponding CORS of province belonging to the target cities System specifically includes：

From the base station saved in CORS systems on multiple CORS systems of target cities and the target cities periphery The base station for obtaining third setting quantity, establishes the new CORS systems of the target cities；

Province's CORS systems of multiple CORS systems and the target cities periphery from target cities obtain and the mesh It marks the unduplicated i base station of base station of the new CORS systems in city and obtains the new CORS systems of the target cities Whole base stations establish the CORS base station major networks of the target cities, wherein the i base station and the target cities New CORS systems whole base stations summation be equal to it is described first set quantity；

Obtained from province's CORS systems on multiple CORS systems of target cities and the target cities periphery with it is described The unduplicated k base station of base station of the new CORS systems of target cities and the new CORS systems for obtaining the target cities Whole base stations, establish the equal accuracy CORS base station expansion nets of the target cities, wherein the k base station with The summation of whole base stations of the new CORS systems of the target cities is equal to described second and sets quantity.

Preferably, described using the base station of the province CORS systems as Fixed Initial Point, the CORS base stations major network is carried out Compensating computation, obtain the corresponding CGCS2000 geodetic coordinates of base station of the CORS base stations major network, 1980 Xi'an coordinates and 2000 coordinates of the target cities, specifically include：

The province CORS systems are obtained with the CORS base stations major network first overlaps base station；

Base station is overlapped as Fixed Initial Point using described first, and Baselines are carried out to the CORS base stations major network, obtain institute State the corresponding Baselines result of CORS base station major networks；

The coordinate of base station is overlapped according to the corresponding Baselines result of the CORS base stations major network and described first, Calculate the corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of the CORS base stations major network；

It is corresponding to the base station of the CORS base stations major network according to the parameter of 2000 coordinate systems of the target cities CGCS2000 geodetic coordinates carries out gauss projection, obtains the corresponding target cities of base station of the CORS base stations major network 2000 coordinates.

Preferably, described to overlap base station as Fixed Initial Point using described first, baseline is carried out to the CORS base stations major network It resolves, obtains the corresponding Baselines of the CORS base stations major network as a result, specifically including：

N-1 base station is obtained from the CORS base stations major network, wherein the base station of the CORS base stations major network is total Amount is N, and the baseline length of the composition of the N-1 base station is uniform；

Base station is overlapped as Fixed Initial Point, according to whole world station gathered in advance data, precise ephemeris, the N- using described first The corresponding observation data of 1 base station, day line file and preset Baselines strategy form the N-1 base station Baseline carry out Baselines, obtain the corresponding the whole network solution result of the CORS base stations major network；

N-th base station and M adjacent reference station are obtained from the CORS base stations major network, wherein the n-th base A remaining base station after N-1 base station of the quasi- station to obtain the CORS base stations major network, M adjacent reference station For M base station adjacent with the n-th base station in the CORS base stations major network；

Base station is overlapped as Fixed Initial Point, according to whole world station data gathered in advance, the accurate star using described first It goes through, the corresponding observation data of the N-1 base station, day line file and preset Baselines strategy, respectively to the N The M item list baselines of a base station and M adjacent reference station composition carry out Baselines, obtain the CORS base stations major network Corresponding M single Baseline solution result；

According to the corresponding the whole network solution result of the CORS base stations major network and M single Baseline solution as a result, described in acquisition The corresponding Baselines result of CORS base station major networks.

Preferably, the 2000 Surveying & Mapping Benchmark unified frame method further includes：

According to the nrms values of the corresponding Baselines result of the CORS base stations major network, the CORS benchmark station owner is obtained The synchronization loop closure of net；

It is formed according to the baseline of N-1 base station composition, the n-th base station and M adjacent reference station M item list baselines, calculate the asynchronous loop closure of the CORS base stations major network；

It is formed according to the baseline of N-1 base station composition, the n-th base station and M adjacent reference station The corresponding baseline component of M item list baselines length, respectively to the N-1 base station composition baseline, the n-th benchmark The fixed error of baseline component corresponding with the M item list baselines that M adjacent reference station forms of standing and proportional error carry out Linear fit calculates the repeatable accuracy of the CORS base stations major network；

According to the repetition of the corresponding Baselines result of the CORS base stations major network and the CORS base stations major network Precision calculates the baseline repetitive rate of the CORS base stations major network；

According to the synchronization loop closure, asynchronous loop closure and baseline repetitive rate of the CORS base stations major network, judge Whether the corresponding Baselines result of the CORS base stations major network meets preset base line condition；

When the corresponding Baselines result of the CORS base stations major network does not meet preset base line condition, again to institute It states CORS base station major networks and carries out Baselines.

Preferably, described using the CORS base stations major network as Fixed Initial Point, the equal accuracy CORS base stations are expanded Net carries out compensating computation processing, obtains the corresponding CGCS2000 the earth of base station of the equal accuracy CORS base station expansion nets 2000 coordinates of coordinate, 1980 Xi'an coordinates and the target cities, specifically include：

The CORS base stations major network is obtained with the equal accuracy CORS base station expansion nets second overlaps base station；

Base station is overlapped as Fixed Initial Point using described second, and Baseline solution is carried out to the equal accuracy CORS base station expansion nets It calculates, obtains the corresponding Baselines result of the equal accuracy CORS base station expansion nets；

Base is overlapped according to the corresponding Baselines result of the equal accuracy CORS base station expansion nets and described second Quasi- station coordinate, calculate the equal accuracy CORS base station expansion nets the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates；

According to the parameter of 2000 coordinate systems of the target cities, to the base of the equal accuracy CORS base station expansion nets The corresponding CGCS2000 geodetic coordinates in quasi- station carries out gauss projection, obtains the benchmark of the equal accuracy CORS base station expansion nets It stands 2000 coordinates of the corresponding target cities.

Preferably, described using the CORS base stations major network as Fixed Initial Point, respectively to the first control of the target cities Net, the second control net and third control net carry out compensating computation processing, obtain the first control net, second control respectively The corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and the target city of net processed and third control net 2000 coordinates in city, specifically include：

It obtains the CORS base stations major network and overlaps base station with the third of the first control net；

Base station is overlapped as Fixed Initial Point using the third, and Baselines are carried out to the first control net, obtain described the Corresponding Baselines result is netted in one control；

Corresponding Baselines result is netted according to first control and the third overlaps the coordinate of base station, is calculated The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of the first control net；

It is corresponding to the base station of the first control net according to the parameter of 2000 coordinate systems of the target cities CGCS2000 geodetic coordinates carries out gauss projection, obtains the corresponding target cities of base station of the first control net 2000 coordinates；

It obtains the first control net and the 4th overlaps base station with what second control was netted；

Base station is overlapped as Fixed Initial Point using the described 4th, and Baselines are carried out to the second control net, obtain described the Corresponding Baselines result is netted in two controls；

The coordinate that corresponding Baselines result and the 4th coincidence base station are netted according to second control, calculates The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of the second control net；

It is corresponding to the base station of the second control net according to the parameter of 2000 coordinate systems of the target cities CGCS2000 geodetic coordinates carries out gauss projection, obtains the corresponding target cities of base station of the second control net 2000 coordinates；

It obtains the second control net and the third control is netted the 5th and overlaps base station；

Base station is overlapped as Fixed Initial Point using the described 5th, and net is controlled to the third and carries out Baselines, obtains described the Corresponding Baselines result is netted in three controls；

The coordinate that corresponding Baselines result and the 5th coincidence base station are netted according to third control, calculates The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of the third control net；

It is corresponding to the base station of third control net according to the parameter of 2000 coordinate systems of the target cities CGCS2000 geodetic coordinates carries out gauss projection, obtains the corresponding target cities of base station of the third control net 2000 coordinates.

The embodiment of the present invention also provides a kind of 2000 Surveying & Mapping Benchmark unified frame devices, including：

CORS systems establish module, are used for from multiple CORS systems of target cities and the province on the target cities periphery The base station for obtaining the base station and the second setting quantity of the first setting quantity in CORS systems respectively, is established and described the respectively The CORS base stations major network of the one corresponding target cities of setting quantity and corresponding described with the second setting quantity The equal accuracy CORS base station expansion nets of target cities；Wherein, the province CORS systems are the province belonging to the target cities Corresponding CORS systems；

First coordinate transferring is used for using the base station of the province CORS systems as Fixed Initial Point, to the target cities CORS base station major networks carry out compensating computation, the base station for obtaining the CORS base station major networks of the target cities is corresponding 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；

Second coordinate transferring is used for using the CORS base stations major network of the target cities as Fixed Initial Point, to described same Equally accurate CORS base station expansion nets carry out compensating computation processing, obtain the benchmark of the equal accuracy CORS base station expansion nets It stands 2000 coordinates of corresponding CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；

Third coordinate transferring is used for using the CORS base stations major network as Fixed Initial Point, respectively to the target cities First control net, second control net and third control net carry out compensating computation processing, obtain respectively it is described first control net, It is described second control net and the third control net the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and 2000 coordinates of the target cities.The embodiment of the present invention also provides a kind of 2000 Surveying & Mapping Benchmark unified frame devices, including place It manages device, memory and is stored in the memory and is configured as the computer program executed by the processor, it is described Processor realizes 2000 above-mentioned Surveying & Mapping Benchmark unified frame methods when executing the computer program.

The embodiment of the present invention also provides a kind of 2000 Surveying & Mapping Benchmark unified frame devices, including processor, memory and It is stored in the memory and is configured as the computer program executed by the processor, the processor executes the meter 2000 above-mentioned Surveying & Mapping Benchmark unified frame methods are realized when calculation machine program.

The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer readable storage medium includes depositing The computer program of storage, wherein equipment where controlling the computer readable storage medium when the computer program is run Execute 2000 above-mentioned Surveying & Mapping Benchmark unified frame methods.

Compared with the prior art, a kind of advantageous effect of 2000 Surveying & Mapping Benchmark unified frame method of the embodiment of the present invention exists In：The 2000 Surveying & Mapping Benchmark unified frame method includes：From multiple CORS systems of target cities and the target cities The base station for obtaining the base station and the second setting quantity of the first setting quantity in province's CORS systems on periphery respectively, is established respectively With the CORS base stations major network of the corresponding target cities of the first setting quantity and with the second setting quantity pair The equal accuracy CORS base station expansion nets for the target cities answered；Wherein, the province CORS systems are the target cities The corresponding CORS systems of affiliated province；Using the base station of the province CORS systems as Fixed Initial Point, to the CORS base stations major network Compensating computation is carried out, obtains the corresponding CGCS2000 geodetic coordinates of base station of the CORS base stations major network, 1980 Xi'an are sat 2000 coordinates of mark and the target cities；Using the CORS base stations major network as Fixed Initial Point, to the equal accuracy CORS bases Quasi- station expansion net carries out compensating computation processing, and the base station for obtaining the equal accuracy CORS base station expansion nets is corresponding 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；It is with the CORS base stations major network Fixed Initial Point respectively carries out at compensating computation the first control net of the target cities, the second control net and third control net Reason show that the base station of the first control net, the second control net and third control net is corresponding respectively 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities.The above method is using CORS systems as base The unified Surveying & Mapping Benchmark frame of standard, can realize Dynamic Maintenance and the update of 2000 geodetic coordinates of target cities, while can be real The information sharing of existing coordinate system, facilitates city management and urban construction.The embodiment of the present invention also provides one kind 2000 and surveys and draws base Collimator frame unified device and computer readable storage medium.

Description of the drawings

Fig. 1 is a kind of flow chart of 2000 Surveying & Mapping Benchmark unified frame method provided in an embodiment of the present invention；

Fig. 2 is a kind of schematic diagram of 2000 Surveying & Mapping Benchmark unified frame device provided in an embodiment of the present invention.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.

Referring to Fig. 1, the flow chart of a kind of 2000 Surveying & Mapping Benchmark unified frame method provided in an embodiment of the present invention in fact, The 2000 Surveying & Mapping Benchmark unified frame method includes：

S100：It is obtained respectively from province's CORS systems on multiple CORS systems of target cities and the target cities periphery The base station for taking the base station and the second setting quantity of the first setting quantity is established corresponding with the first setting quantity respectively The same essence of the CORS base stations major network of the target cities and the target cities corresponding with the second setting quantity Spend CORS base station expansion nets；Wherein, the province CORS systems are the corresponding CORS systems of province belonging to the target cities；

The original 3 sets of CORS systems in Guangzhou have 20 base stations altogether, including：8 stations planning GZCORS, 6 territories GZCORS stands and 6 territory GZBDCORS stand；To reinforce the signal covering of fringe region, it is ensured that new CORS systems are truly realized nothing Gap covers full Guangzhou range without dead angle, according to Guangdong Province's GDCORS base stations of Guangzhou neighboring area gathered in advance Investigation ratio selects information on the spot, and the stations 6 GDCORS being evenly distributed are obtained from Guangdong Province's GDCORS systems of Guangzhou neighboring area As the peripheral base station of new GZCORS systems, i.e. Guangdong Province's GDCORS systems on Guangzhou periphery have 6 base stations altogether.Extensively The base station selection rule of state city CORS systems is as follows：Since territory GZCORS base stations and territory GZBDCORS base stations are same The selection priority of one roof, the stations territory GZCORS is more than territory GZBDCORS base stations；In view of new GZCORS systems continue Data service is provided for the departments such as Guangdong Meteorological Bureau of Shanxi Province and Guangdong Seismological Bureau of Shanxi Province, it is preferential to obtain the benchmark being located in weather bureau's yard It stands and the basement rock datum mark positioned at ground.

Specifically, multiple CORS systems of the target cities include that Guangzhou continuous operation satellite positioning city survey is comprehensive Close service system, Guangzhou continuous operational reference station and the CORS systems for supporting Big Dipper positioning；The province CORS systems are Guangdong Province's GDCORS systems.

In the present embodiment, from total original 3 sets of CORS systems in Guangzhou with 26 base stations and Guangzhou In Guangdong Province's GDCORS systems of neighboring area, 17 base stations are obtained, Guangzhou CORS base station major networks are established；Have from total In the original 3 sets of CORS systems in Guangzhou of 26 base stations and Guangdong Province's GDCORS systems of Guangzhou neighboring area, obtain 26 whole base stations are taken, Guangzhou equal accuracy CORS base station expansion nets are established.Guangzhou equal accuracy CORS base stations expand The spare net that net is Guangzhou CORS base station major networks is filled, since Guangzhou equal accuracy CORS base station expansion nets include covering Guangzhou And whole base stations of Guangzhou neighboring area, in the case that in Guangzhou, CORS base station major networks fail and are useless, Ke Yiqi With Guangzhou equal accuracy CORS base station expansion nets, play the role of certain guarantee.

S200：Using the base station of the province CORS systems as Fixed Initial Point, adjustment meter is carried out to the CORS base stations major network It calculates, obtains the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and the mesh of the CORS base stations major network Mark 2000 coordinates in city；

S300：Using the CORS base stations major network as Fixed Initial Point, the equal accuracy CORS base station expansion nets are carried out Compensating computation handle, obtain the equal accuracy CORS base station expansion nets the corresponding CGCS2000 geodetic coordinates of base station, 2000 coordinates of 1980 Xi'an coordinates and the target cities；

S400：Using the CORS base stations major network as Fixed Initial Point, respectively to the first control net of the target cities, second Control net and third control net carry out compensating computation processing, obtain respectively it is described first control net, it is described second control net with And the third controls the corresponding CGCS2000 geodetic coordinates of base station netted, 1980 Xi'an coordinates and the target cities 2000 coordinates.Wherein, the first control net is the Precision Quasi-geoid Determining frame net of the target cities, second control Net processed is the Precision Quasi-geoid Determining high precise control net of the target cities, third control net is the target cities The second-class plane survey of GPS chopped-off heads in 2000 control net.

In the present embodiment, 2000 coordinates of the target cities are 2000 coordinate of Guangzhou.The target cities like big Ground-level refines frame net as Precision Quasi-geoid Determining in Guangzhou City frame net；The quasigeoid essence of the target cities Change high precise control net is Precision Quasi-geoid Determining in Guangzhou City high precise control net；GPS head in 2000 of the target cities The second-class plane survey control net of grade is that GPS chopped-off heads in 2000 second-class plane survey in Guangzhou controls net.The above method is with CORS systems Unified Surveying & Mapping Benchmark frame, can realize Dynamic Maintenance and the update of 2000 geodetic coordinates of target cities, simultaneously on the basis of system The information sharing that can realize coordinate system, facilitates city management and urban construction.

In a kind of optional embodiment, S100：From multiple CORS systems of target cities and target cities week Obtained respectively in province's CORS systems on side the first setting quantity base station and second setting quantity base station, respectively establish with The CORS base stations major network of the corresponding target cities of the first setting quantity and corresponding with the second setting quantity The target cities equal accuracy CORS base station expansion nets；Wherein, the province CORS systems are the target cities institute The corresponding CORS systems of province of category, specifically include：

It is obtained from the base station of province's CORS systems of the multiple CORS systems and target cities periphery of target cities The base station for taking third setting quantity, establishes the new CORS systems of the target cities；

In the present embodiment, information is selected according to acquiring each base station in advance and investigate ratio on the spot, according to reliable and stable, observation item Part is good, facilitates the principle of management, from 20 base stations of the original 3 sets CORS systems in Guangzhou, 8 base stations of acquisition, including 6 planning GZCORS base stations and 2 territory GZCORS base stations, and form the new GZCORS in conjunction with 6 stations GDCORS System establishes the new CORS systems of the target cities in conjunction with 6 base stations of Guangdong Province's GDCORS systems on Guangzhou periphery System, i.e., new GZCORS systems.The base station of the new GZCORS systems is evenly distributed and in the case of base station minimum number Guangzhou and Guangzhou neighboring area can be covered, the surveying and mapping activity requirement of Guangzhou can be met.

In the present embodiment, whole base stations of the new GZCORS systems, i.e. 14 base stations are obtained, and are combined from wide Obtained in 20 base stations and Guangzhou periphery Guangdong Province GDCORS systems in the original 3 sets of CORS systems in state city with institute 14 base stations for stating new GZCORS systems do not repeat 3 base stations, amount to 17 base stations to establish Guangzhou CORS base stations Major network.Increase by 3 base stations on the basis of the base station of the new GZCORS systems, it is ensured that Guangzhou CORS base station major networks Compensating computation has enough base stations.

Province's CORS systems of multiple CORS systems and the target cities periphery from target cities obtain and the mesh It marks the unduplicated k base station of base station of the new CORS systems in city and obtains the new CORS systems of the target cities Whole base stations establish the equal accuracy CORS base station expansion nets of the target cities, wherein the k base station and institute The summation for stating whole base stations of the new CORS systems of target cities is equal to the second setting quantity.

In the present embodiment, whole base stations of the new GZCORS systems, i.e. 14 base stations are obtained, and are combined from wide Obtained in 20 base stations and Guangzhou periphery Guangdong Province GDCORS systems in the original 3 sets of CORS systems in state city with institute 14 base stations for stating new GZCORS systems do not repeat 12 base stations, amount to 26 base stations to establish Guangzhou equal accuracy CORS base station expansion nets, i.e. Guangzhou equal accuracy CORS base station expansion nets include the original 3 sets of CORS systems in Guangzhou with And all 26 base stations of Guangzhou periphery Guangdong Province GDCORS systems, ensure the original 3 sets of CORS systems in Guangzhou and The resource-sharing of Guangzhou periphery Guangdong Province GDCORS systems, avoids base station from omitting, leads to the loss of base station data.

In a kind of optional embodiment, S200：Using the base station of the province CORS systems as Fixed Initial Point, to the CORS Base station major network carry out compensating computation, obtain the CORS base stations major network the corresponding CGCS2000 geodetic coordinates of base station, 2000 coordinates of 1980 Xi'an coordinates and the target cities, specifically include：

In the present embodiment, the parameter of 2000 coordinate systems of the target cities is 2000 coordinates of the target cities Preset projective parameter specifically includes central meridian and projection elevation face.

It is described to overlap base station as Fixed Initial Point, to the CORS benchmark using described first in a kind of optional embodiment Station owner, which nets, carries out Baselines, obtains the corresponding Baselines of the CORS base stations major network as a result, specifically including：

In the present embodiment, it before carrying out Baselines, needs to carry out following pre-operation：Acquisition Guangzhou is original in advance All nearly 1 month observation data of 26 base stations of 3 sets of CORS systems and Guangzhou periphery Guangdong Province GDCORS systems And day line file, and taxonomic revision processing is carried out to the observation data, the day line file includes having transformation day in 1 month The corresponding day line file of base station of line type；The whole world station data and precise ephemeris that acquisition in advance is chosen, and stand to the whole world Coordinate carries out frame and epoch changes calculation processing.Pre-set the strategy of Baselines, including calculation method, resolve type, whether Tropospheric zenith delay, elevation mask etc. are estimated, especially by the various list files of configuration, in the day line file of domestic equipment Addition is realized according to the correspondence parameter searched on the websites NGS.

After completing above-mentioned pre-operation, using GAMIT softwares, base station is overlapped as Fixed Initial Point, according to advance using described first Global stand data, precise ephemeris and the corresponding observation data of 16 base stations, the day line file of acquisition, to described 16 The baseline of base station composition carries out Baselines, obtains the corresponding the whole network solution result of Guangzhou CORS base station major networks；From Guangzhou CORS base station major networks obtain a remaining base station and 4 adjacent reference stations, and overlapping base station with described first is Point is calculated, it is corresponding according to whole world station data gathered in advance, the precise ephemeris and a remaining base station Data, day line file are observed, respectively to 4 single bases of a remaining base station and 4 adjacent reference stations composition Line carries out Baselines, obtains the corresponding 4 single Baseline solution results of Guangzhou CORS base station major networks；Guangzhou CORS base station major networks Corresponding the whole network solution result and 4 single Baseline solution results form the corresponding Baselines result of Guangzhou CORS base station major networks. It is adapted to length existing for the CORS base station major networks of Guangzhou by using the method that more Baseline solutions and single Baseline solution are combined Baseline and the case where deposit, makes the precision of Guangzhou CORS base station major networks reach the required precisions of B grades of nets.

In a kind of optional embodiment, the 2000 Surveying & Mapping Benchmark unified frame method further includes：

Since GAMIT softwares are using net solution (i.e. full combination solution), the synchronization ring of Guangzhou CORS base station major networks is closed Distribution has been carried out in Baselines for difference.The synchronization ring of GAMIT software baseline solutions is checked, it can be Baseline solution An index of the nrms values as synchronous ring quality quality, i.e., when the synchronization loop closure of Guangzhou CORS base station major networks is equal to Nrms values；Preferably, when nrms values are not more than 1.0, determination is checked by synchronous ring.

What asynchronous loop closure reflected is the fieldwork observation quality and Baselines matter of entire Guangzhou CORS base station major networks The reliability of amount, relative to synchronous loop closure, asynchronous loop closure is even more important to GPS quality of achievement.

According to formula σ=a+bl, the repeatable accuracy of the CORS base stations major network is calculated, wherein σ is in baseline component Error, a are the fixed error of component, and b is relative error, and l is the length of baseline component.

According to formulaCalculate the baseline repetitive rate of the CORS base stations major network；

Wherein, c_iIt is each component of day part solution baseline,It is the covariance of respective component,For corresponding baseline component Weighted average, R are baseline repetitive rate.

According to the synchronization loop closure, asynchronous loop closure and baseline repetitive rate of the CORS base stations major network, judge Whether the corresponding Baselines result of the CORS base stations major network meets preset Baseline solution precision and quality requirements；

In a kind of optional embodiment, S300：Using the CORS base stations major network as Fixed Initial Point, to the equal accuracy CORS base station expansion nets carry out compensating computation processing, and the base station for obtaining the equal accuracy CORS base station expansion nets corresponds to CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities 2000 coordinates, specifically include：

In the present embodiment, using Baselines method identical with the CORS base stations major network to the equal accuracy CORS base station expansion nets carry out Baselines.

In the present embodiment, described to overlap base station as Fixed Initial Point, to the equal accuracy CORS benchmark using described second Expansion net of standing carries out Baselines, obtains the equal accuracy CORS base station expansion nets and corresponds to Baselines as a result, specific packet It includes：

Described second overlaps the base station that base station is the CORS base stations major network；

It is obtained and P misaligned base of the CORS base stations major network from the equal accuracy CORS base station expansion nets Quasi- station and Q adjacent with the P base station respectively adjacent reference station, wherein the equal accuracy CORS base stations expand The base station total amount for filling net is N+P；

Base station is overlapped as Fixed Initial Point, according to whole world station data gathered in advance, the accurate star using described second It goes through, the corresponding observation data of the P base station, day line file and preset Baselines strategy, respectively to the P base Quasi- station and the P*Q item list baselines of Q adjacent reference station composition carry out Baselines, obtain the equal accuracy CORS benchmark The corresponding P*Q single Baseline solution result of expansion net of standing；

Expanded according to the corresponding Baselines result of the CORS base stations major network and the equal accuracy CORS base stations The corresponding P*Q single Baseline solution of net is filled as a result, obtaining the corresponding Baselines knot of the equal accuracy CORS base station expansion nets Fruit.

Due to having obtained the corresponding Baselines of the CORS base stations major network as a result, and since described second overlaps base Therefore quasi- station, which is the base station of the CORS base stations major network, can directly use the corresponding base of the CORS base stations major network Then line calculation result calculates the Baselines result of the equal accuracy CORS base stations expansion net residue base station.Specifically Ground, the CORS base stations major network base station are 17, i.e., pending baseline in the described equal accuracy CORS base station expansion nets The base station of resolving is 9, and using GAMIT softwares, remaining 9 bases are obtained from Guangzhou equal accuracy CORS base station expansion nets Quasi- station and 4 adjacent with remaining 9 base stations respectively adjacent reference stations, it is to start to overlap base station with described second Point, according to whole world station data, the precise ephemeris and the corresponding observation number of remaining 9 base stations gathered in advance According to, day line file, respectively to remaining 9 base station and 4 adjacent reference stations adjacent with remaining 9 base stations respectively The single baseline of 36 of composition carries out Baselines, obtains the corresponding 36 single baselines of Guangzhou equal accuracy CORS base station expansion nets Solve result；The corresponding Baselines result of Guangzhou CORS base station major networks and Guangzhou equal accuracy CORS base station expansion nets pair The 36 single Baseline solution results answered form the corresponding Baselines result of Guangzhou equal accuracy CORS base station expansion nets.By adopting It is adapted to existing for the equal accuracy CORS base station expansion nets of Guangzhou with the method that more Baseline solutions and single Baseline solution are combined Long-short baselines and the case where deposit, make the precision of Guangzhou equal accuracy CORS base station expansion nets reach the required precisions of B grades of nets.Extensively The Baselines of state equal accuracy CORS base station expansion nets directly use the corresponding Baselines of Guangzhou CORS base station major networks As a result, reducing calculating process, computational efficiency is improved.

Further, according to the nrms values of the corresponding Baselines result of Guangzhou equal accuracy CORS base station expansion nets, Obtain the synchronization loop closure of Guangzhou equal accuracy CORS base station expansion nets；The base formed according to Guangzhou CORS base station major networks Remaining 9 base stations are formed with 4 adjacent adjacent reference stations in line, Guangzhou equal accuracy CORS base station expansion nets 36 Single baseline calculates the asynchronous loop closure of Guangzhou equal accuracy CORS base station expansion nets；According to according to Guangzhou CORS base stations The baseline of major network composition, remaining 9 base stations and 4 adjacent adjacent references in the equal accuracy CORS base station expansion nets of Guangzhou The fixed error of the corresponding baseline component of the single baselines of 36 formed of standing and proportional error carry out linear fit, and it is same to calculate Guangzhou The repeatable accuracy of equally accurate CORS base station expansion nets；According to the corresponding Baseline solution of Guangzhou equal accuracy CORS base station expansion nets The repeatable accuracy of result and Guangzhou equal accuracy CORS base station expansion nets is calculated, Guangzhou equal accuracy CORS base stations is calculated and expands Fill the baseline repetitive rate of net；According to synchronization loop closure, the asynchronous loop closure of Guangzhou equal accuracy CORS base station expansion nets And baseline repetitive rate, it is default to judge whether equal accuracy CORS base station expansion nets corresponding Baselines result in Guangzhou meets Base line condition.When equal accuracy CORS base station expansion nets corresponding Baselines result in Guangzhou does not meet preset Baseline bar When part, Baselines are carried out to Guangzhou equal accuracy CORS base station expansion nets again.

In a kind of optional embodiment, S400：Using the CORS base stations major network as Fixed Initial Point, respectively to the target First control net, the second control net and the third control net in city carry out compensating computation processing, obtain first control respectively Net, the second control net and the third processed control the corresponding CGCS2000 geodetic coordinates of base station of net, 1980 Xi'an 2000 coordinates of coordinate and the target cities, specifically include：

Corresponding Baselines result is netted according to first control and the third overlaps the coordinate of base station, is calculated The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of first control net；

In the present embodiment, using Baselines method identical with the CORS base stations major network to the target cities Precision Quasi-geoid Determining frame net, the target cities Precision Quasi-geoid Determining high precise control net and the mesh The second-class plane survey control net of GPS chopped-off heads in 2000 for marking city carries out Baselines, no longer carries out repetitive description below.With Guangzhou CORS base station major networks be Fixed Initial Point, transmit down successively, adjustment obtain Precision Quasi-geoid Determining in Guangzhou City frame net, Precision Quasi-geoid Determining in Guangzhou City high precise control net and Guangzhou GPS chopped-off heads (second-class) plane survey in 2000 control net 2000 coordinate of the CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and Guangzhou, it is possible to reduce unnecessary calculating process, Improve efficiency.

Referring to Fig. 2, the embodiment of the present invention also provides a kind of schematic diagram of 2000 Surveying & Mapping Benchmark unified frame device, it is described 2000 Surveying & Mapping Benchmark unified frame devices include：

CORS systems establish module 1, for from multiple CORS systems of target cities and the target cities periphery Save CORS systems in obtain respectively the first setting quantity base station and second setting quantity base station, respectively establish with it is described The CORS base stations major network of the corresponding target cities of first setting quantity and institute corresponding with the second setting quantity State the equal accuracy CORS base station expansion nets of target cities；Wherein, the province CORS systems are belonging to the target cities Save corresponding CORS systems；

First coordinate transferring 2 is used for using the base station of the province CORS systems as Fixed Initial Point, to the target cities CORS base station major networks carry out compensating computation, the base station for obtaining the CORS base station major networks of the target cities is corresponding 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；

Second coordinate transferring 3 is used for using the CORS base stations major network of the target cities as Fixed Initial Point, to described same Equally accurate CORS base station expansion nets carry out compensating computation processing, obtain the benchmark of the equal accuracy CORS base station expansion nets It stands 2000 coordinates of corresponding CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；

Third coordinate transferring 4 is used for using the CORS base stations major network of the target cities as Fixed Initial Point, respectively to institute The the first control net, the second control net and third control net for stating target cities carry out compensating computation processing, obtain respectively described First control net, it is described second control net and the third control net the corresponding CGCS2000 geodetic coordinates of base station, 2000 coordinates of 1980 Xi'an coordinates and the target cities.Wherein, the first control net is the target cities like big Ground-level refine frame net, it is described second control net be the target cities Precision Quasi-geoid Determining high-precision control Net, the second-class plane survey of GPS chopped-off heads in 2000 that third control net is the target cities control net.

In the present embodiment, 2000 coordinates of the target cities are 2000 coordinate of Guangzhou.The target cities like big Ground-level refines frame net as Precision Quasi-geoid Determining in Guangzhou City frame net；The quasigeoid essence of the target cities Change high precise control net is Precision Quasi-geoid Determining in Guangzhou City high precise control net；GPS head in 2000 of the target cities The second-class plane survey control net of grade is that GPS chopped-off heads in 2000 second-class plane survey in Guangzhou controls net.Above-mentioned apparatus is with CORS systems Unified Surveying & Mapping Benchmark frame, can realize Dynamic Maintenance and the update of 2000 geodetic coordinates of target cities, simultaneously on the basis of system The information sharing that can realize coordinate system, facilitates city management and urban construction.

In a kind of optional embodiment, the CORS systems establish module and include：

New CORS systems establish module, for from target cities multiple CORS systems and the target cities periphery The base station for obtaining third setting quantity in the base station of CORS systems is saved, the new CORS systems of the target cities are established；

CORS base station major networks establish module, for all from multiple CORS systems of target cities and the target cities The unduplicated i base station of base station with the new CORS systems of the target cities is obtained in province's CORS systems on side and is obtained The whole base stations for taking the new CORS systems of the target cities establish the CORS base station major networks of the target cities, wherein The summation of the i base station and whole base stations of the new CORS systems of the target cities is equal to described first and sets number Amount；

Equal accuracy CORS base station expansion nets establish module, for from multiple CORS systems of target cities and described Target cities periphery saves the unduplicated k base of base station obtained in CORS systems with the new CORS systems of the target cities Whole base stations of the new CORS systems of the target cities are stood and obtained to standard, establishes the equal accuracy of the target cities CORS base station expansion nets, wherein the k base station is total with whole base stations of the new CORS systems of the target cities Quantity is set with equal to described second.

In a kind of optional embodiment, first coordinate transferring includes：

First overlaps base station acquisition module, and for obtaining the province CORS systems and the CORS base stations major network One overlaps base station；

Major network Baselines module, for overlapping base station as Fixed Initial Point, to the CORS benchmark station owner using described first Net carries out Baselines, obtains the corresponding Baselines result of the CORS base stations major network；

First coordinate calculation module, for according to the corresponding Baselines result of the CORS base stations major network and described First overlap base station coordinate, calculate the CORS base stations major network the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates；

Second coordinate calculation module is used for the parameter of 2000 coordinate systems according to the target cities, to the CORS bases The corresponding CGCS2000 geodetic coordinates of base station of quasi- station owner's net carries out gauss projection, obtains the base of the CORS base stations major network 2000 coordinates of the corresponding target cities in quasi- station.

In a kind of optional embodiment, the major network Baselines module, for being obtained from the CORS base stations major network Take N-1 base station, wherein the base station total amount of the CORS base stations major network is N, the composition of the N-1 base station Baseline length is uniform；

The major network Baselines module, for overlapping base station as Fixed Initial Point, according to gathered in advance using described first Whole world station data, precise ephemeris, the corresponding observation data of the N-1 base station, day line file and preset Baselines Strategy carries out Baselines to the baseline of N-1 base station composition, obtains the corresponding the whole network of the CORS base stations major network Solve result；

The major network Baselines module, for obtaining n-th base station and M phase from the CORS base stations major network Adjacent base station, wherein the n-th base station is remaining one after N-1 base station for obtaining the CORS base stations major network A base station, M adjacent reference station are M base adjacent with the n-th base station in the CORS base stations major network Quasi- station；

The major network Baselines module, for overlapping base station as Fixed Initial Point, according to gathered in advance using described first Whole world station data, the precise ephemeris, the corresponding observation data of the N-1 base station, day line file and preset Baselines strategy carries out baseline to the M item list baselines of the n-th base station and M adjacent reference station composition respectively It resolves, obtains the corresponding M single Baseline solution result of the CORS base stations major network；

The major network Baselines module, for according to the corresponding the whole network solution result of the CORS base stations major network and M A list Baseline solution is as a result, obtain the corresponding Baselines result of the CORS base stations major network.

In a kind of optional embodiment, the 2000 Surveying & Mapping Benchmark unified frame device further includes：

Synchronous loop closure computing module, for according to the corresponding Baselines result of the CORS base stations major network Nrms values obtain the synchronization loop closure of the CORS base stations major network；

Asynchronous loop closure computing module, baseline, the n-th benchmark for being formed according to the N-1 base station The M item list baselines stood with M adjacent reference station composition, calculate the asynchronous loop closure of the CORS base stations major network；

Repeatable accuracy computing module, baseline, the n-th base station for being formed according to the N-1 base station and The length of the corresponding baseline component of M item list baselines of M adjacent reference station composition, respectively to the N-1 base station group At baseline, the n-th base station and M adjacent reference station corresponding baseline component of M item list baselines that forms consolidates Determine error and proportional error carries out linear fit, calculates the repeatable accuracy of the CORS base stations major network；

Baseline repetitive rate computing module, for according to the corresponding Baselines result of the CORS base stations major network and institute The repeatable accuracy for stating CORS base station major networks calculates the baseline repetitive rate of the CORS base stations major network；

First judgment module, for according to the synchronization loop closure of the CORS base stations major network, asynchronous loop closure with And baseline repetitive rate, judge whether the corresponding Baselines result of the CORS base stations major network meets preset Baseline solution precision And quality requirements；

In a kind of optional embodiment, second coordinate transferring includes：

Second overlaps base station acquisition module, for obtaining the CORS base stations major network and the equal accuracy CORS bases The second of quasi- station expansion net overlaps base station；

Expansion net Baselines module, for overlapping base station as Fixed Initial Point, to the equal accuracy using described second CORS base station expansion nets carry out Baselines, obtain the corresponding Baselines knot of the equal accuracy CORS base station expansion nets Fruit；

Third coordinate calculation module, for according to the corresponding Baselines knot of the equal accuracy CORS base station expansion nets The coordinate of fruit and the second coincidence base station, the base station for calculating the equal accuracy CORS base station expansion nets are corresponding CGCS2000 geodetic coordinates, 1980 Xi'an coordinates；

4-coordinate computing module is used for the parameter of 2000 coordinate systems according to the target cities, to the same essence The corresponding CGCS2000 geodetic coordinates of base station for spending CORS base station expansion nets carries out gauss projection, obtains the equal accuracy 2000 coordinates of the corresponding target cities of base station of CORS base station expansion nets.

In a kind of optional embodiment, the 4-coordinate conversion module includes：

Third overlaps base station computing module, and for obtaining the CORS base stations major network and the first control net Three overlap base station；

First Baselines module, for using the third overlap base station as Fixed Initial Point, to it is described first control net into Row Baselines obtain first control and net corresponding Baselines result；

Five Axis computing module, for netting corresponding Baselines result and the third according to first control The coordinate of base station is overlapped, calculates the corresponding CGCS2000 geodetic coordinates of base station of the first control net, 1980 Xi'an are sat Mark；

6th coordinate calculation module is used for the parameter of 2000 coordinate systems according to the target cities, to first control The corresponding CGCS2000 geodetic coordinates of base station for making net carries out gauss projection, and the base station for obtaining the first control net corresponds to The target cities 2000 coordinates；

4th overlaps base station computing module, the quadruple for obtaining the first control net and the second control net Close base station；

Second Baselines module, for using it is described 4th overlap base station as Fixed Initial Point, to it is described second control net into Row Baselines obtain second control and net corresponding Baselines result；

7th coordinate calculation module, for netting corresponding Baselines result and the described 4th according to second control The coordinate of base station is overlapped, calculates the corresponding CGCS2000 geodetic coordinates of base station of the second control net, 1980 Xi'an are sat Mark；

8th coordinate calculation module is used for the parameter of 2000 coordinate systems according to the target cities, to second control The corresponding CGCS2000 geodetic coordinates of base station for making net carries out gauss projection, and the base station for obtaining the second control net corresponds to The target cities 2000 coordinates；

5th overlaps base station computing module, the 5th weight for obtaining the second control net and third control net Close base station；

Third Baselines module, for using it is described 5th overlap base station as Fixed Initial Point, to the third control net into Row Baselines obtain the third control and net corresponding Baselines result；

9th coordinate calculation module, for netting corresponding Baselines result and the described 5th according to third control The coordinate for overlapping base station calculates the corresponding CGCS2000 geodetic coordinates of base station of the third control net, 1980 Xi'an are sat Mark；

Tenth coordinate calculation module is used for the parameter of 2000 coordinate systems according to the target cities, to the third control The corresponding CGCS2000 geodetic coordinates of base station for making net carries out gauss projection, and the base station for obtaining the third control net corresponds to The target cities 2000 coordinates.

Wherein, the first Baselines module, the second Baselines module and third Baselines module have with The identical function of the major network Baselines module；The synchronous loop closure computing module, the asynchronous loop closure calculate Module, the repeatable accuracy computing module, the baseline repetitive rate computing module and first judgment module are to described same Equally accurate CORS base stations expansion net, the target cities Precision Quasi-geoid Determining frame net, it is described second control net with And the third control nets corresponding Baselines result and carries out precision and Quality estimation, is not described below.

Illustratively, the computer program can be divided into one or more module/units, one or more A module/unit is stored in the memory, and is executed by the processor, to complete the present invention.It is one or more A module/unit can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing institute State implementation procedure of the computer program in the 2000 Surveying & Mapping Benchmark unified frame device.For example, the computer program can To be divided into the function module in above-mentioned 2000 Surveying & Mapping Benchmark unified frame device.

The 2000 Surveying & Mapping Benchmark unified frame device can be desktop PC, notebook, palm PC and high in the clouds The computing devices such as server.The 2000 Surveying & Mapping Benchmark unified frame device may include, but be not limited only to, processor, memory. It will be understood by those skilled in the art that the schematic diagram is only the example of 2000 Surveying & Mapping Benchmark unified frame devices, not structure The restriction of pairs of 2000 Surveying & Mapping Benchmark unified frame device may include components more more or fewer than diagram, or combine certain A little components or different components, for example, the 2000 Surveying & Mapping Benchmark unified frame device can also include input-output equipment, Network access equipment, bus etc..

Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it His general processor, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field- Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor Deng the processor is the control centre of the 2000 Surveying & Mapping Benchmark unified frame device, utilizes various interfaces and connection The various pieces of entire 2000 Surveying & Mapping Benchmark unified frame device.

The memory can be used for storing the computer program and/or module, and the processor is by running or executing Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization The various functions of 2000 Surveying & Mapping Benchmark unified frame devices.The memory can include mainly storing program area and storage data Area, wherein storing program area can storage program area, needed at least one function application program (such as sound-playing function, Image player function etc.) etc.；Storage data field can be stored uses created data (such as audio data, electricity according to mobile phone Script for story-telling etc.) etc..In addition, memory may include high-speed random access memory, can also include nonvolatile memory, such as Hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid State memory device.

Wherein, if the integrated module/unit of the 2000 Surveying & Mapping Benchmark unified frame device is with SFU software functional unit Form is realized and when sold or used as an independent product, can be stored in a computer read/write memory medium.Base In such understanding, the present invention realizes all or part of flow in above-described embodiment method, can also pass through computer program It is completed to instruct relevant hardware, the computer program can be stored in a computer readable storage medium, the calculating Machine program is when being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes Computer program code, the computer program code can be source code form, object identification code form, executable file or certain A little intermediate forms etc..The computer-readable medium may include：Any entity of the computer program code can be carried Or device, recording medium, USB flash disk, mobile hard disk, magnetic disc, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software Distribution medium etc..It should be noted that the content that the computer-readable medium includes can be according to making laws in jurisdiction Requirement with patent practice carries out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, computer Readable medium does not include electric carrier signal and telecommunication signal.

Compared with the prior art, a kind of advantageous effect of 2000 Surveying & Mapping Benchmark unified frame method of the embodiment of the present invention exists In：The 2000 Surveying & Mapping Benchmark unified frame method includes：From multiple CORS systems of target cities and the target cities The base station for obtaining the base station and the second setting quantity of the first setting quantity in province's CORS systems on periphery respectively, is established respectively With the CORS base stations major network of the corresponding target cities of the first setting quantity and with the second setting quantity pair The equal accuracy CORS base station expansion nets for the target cities answered；Wherein, the province CORS systems are the target cities The corresponding CORS systems of affiliated province；Using the base station of the province CORS systems as Fixed Initial Point, to the CORS base stations major network Compensating computation is carried out, obtains the corresponding CGCS2000 geodetic coordinates of base station of the CORS base stations major network, 1980 Xi'an are sat 2000 coordinates of mark and the target cities；Using the CORS base stations major network as Fixed Initial Point, to the equal accuracy CORS bases Quasi- station expansion net carries out compensating computation processing, and the base station for obtaining the equal accuracy CORS base station expansion nets is corresponding 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；It is with the CORS base stations major network Fixed Initial Point, respectively to the Precision Quasi-geoid Determining frame net of the target cities, the second control net and the third Control net carry out compensating computation processing, obtain respectively the target cities Precision Quasi-geoid Determining frame net, described second Control the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and the target of net and third control net 2000 coordinates in city.The above method unified Surveying & Mapping Benchmark frame on the basis of CORS systems, can realize target cities The Dynamic Maintenance of 2000 geodetic coordinates and update, while can realize the information sharing of coordinate system, facilitate city management and city City is built.

The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims

1. a kind of 2000 Surveying & Mapping Benchmark unified frame methods, which is characterized in that including：

First is obtained respectively from province's CORS systems on multiple CORS systems of target cities and the target cities periphery to set The base station of the base station of fixed number amount and the second setting quantity establishes the target corresponding with the first setting quantity respectively The CORS base stations major network in city and the equal accuracy CORS bases of the target cities corresponding with the second setting quantity Quasi- station expansion net；Wherein, the province CORS systems are the corresponding CORS systems of province belonging to the target cities；

Using the base station of the province CORS systems as Fixed Initial Point, compensating computation is carried out to the CORS base stations major network, obtains institute State the corresponding CGCS2000 geodetic coordinates of base station of CORS base station major networks, 1980 Xi'an coordinates and the target cities 2000 coordinates；

Using the CORS base stations major network as Fixed Initial Point, the equal accuracy CORS base station expansion nets are carried out at compensating computation Reason obtains the corresponding CGCS2000 geodetic coordinates of base station of the equal accuracy CORS base station expansion nets, 1980 Xi'an are sat 2000 coordinates of mark and the target cities；

Using the CORS base stations major network as Fixed Initial Point, respectively to the first of the target cities the control net, the second control net with And third control net carries out compensating computation processing, obtains the first control net, the second control net and described the respectively The corresponding CGCS2000 geodetic coordinates of base station of three control nets, 2000 coordinates of 1980 Xi'an coordinates and the target cities.

2. 2000 Surveying & Mapping Benchmark unified frame method as described in claim 1, which is characterized in that described from the more of target cities The base station and of the first setting quantity is obtained in a CORS systems and province's CORS systems on the target cities periphery respectively The base station of two setting quantity establishes the CORS benchmark station owners of the target cities corresponding with the first setting quantity respectively The equal accuracy CORS base station expansion nets of net and the target cities corresponding with the second setting quantity；Wherein, institute It is the corresponding CORS systems of province belonging to the target cities to state province's CORS systems, is specifically included：

Is obtained from the base station of province's CORS systems of the multiple CORS systems and target cities periphery of target cities The base station of three setting quantity, establishes the new CORS systems of the target cities；

It is obtained and the target from province's CORS systems on multiple CORS systems of target cities and the target cities periphery The unduplicated i base station of base station of the new CORS systems in city and obtain the target cities new CORS systems it is complete Portion's base station establishes the CORS base station major networks of the target cities, wherein the i base station and the target cities The summation of whole base stations of new CORS systems is equal to described first and sets quantity；

It is obtained and the target from province's CORS systems on multiple CORS systems of target cities and the target cities periphery The unduplicated k base station of base station of the new CORS systems in city and obtain the target cities new CORS systems it is complete Portion's base station establishes the equal accuracy CORS base station expansion nets of the target cities, wherein the k base station with it is described The summation of whole base stations of the new CORS systems of target cities is equal to described second and sets quantity.

3. 2000 Surveying & Mapping Benchmark unified frame method as described in claim 1, which is characterized in that described with province CORS systems The base station of system is Fixed Initial Point, carries out compensating computation to the CORS base stations major network, obtains the CORS base stations major network 2000 coordinates of the corresponding CGCS2000 geodetic coordinates of base station, 1980 Xi'an coordinates and the target cities, specifically include：

Base station is overlapped as Fixed Initial Point using described first, Baselines is carried out to the CORS base stations major network, described in acquisition The corresponding Baselines result of CORS base station major networks；

The coordinate that base station is overlapped according to the corresponding Baselines result of the CORS base stations major network and described first, calculates The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of the CORS base stations major network；

4. 2000 Surveying & Mapping Benchmark unified frame method as claimed in claim 3, which is characterized in that described to be overlapped with described first Base station is Fixed Initial Point, carries out Baselines to the CORS base stations major network, it is corresponding to obtain the CORS base stations major network Baselines are as a result, specifically include：

N-1 base station is obtained from the CORS base stations major network, wherein the base station total amount of the CORS base stations major network Baseline length for N, the composition of the N-1 base station is uniform；

Base station is overlapped as Fixed Initial Point, according to global data, precise ephemeris, the N-1 of standing gathered in advance using described first The corresponding observation data of base station, day line file and preset Baselines strategy, to the base of N-1 base station composition Line carries out Baselines, obtains the corresponding the whole network solution result of the CORS base stations major network；

N-th base station and M adjacent reference station are obtained from the CORS base stations major network, wherein the n-th benchmark A remaining base station after the N-1 base station stood to obtain the CORS base stations major network, M adjacent reference station is The M base station adjacent with the n-th base station in the CORS base stations major network；

Base station is overlapped as Fixed Initial Point, according to whole world station data gathered in advance, the precise ephemeris, institute using described first The corresponding observation data of N-1 base station, day line file and preset Baselines strategy are stated, respectively to the n-th base Quasi- station and the M item list baselines of M adjacent reference station composition carry out Baselines, obtain the CORS base stations major network and correspond to M single Baseline solution result；

According to the corresponding the whole network solution result of the CORS base stations major network and M single Baseline solution as a result, obtaining the CORS bases Quasi- station owner nets corresponding Baselines result.

5. 2000 Surveying & Mapping Benchmark unified frame method as claimed in claim 4, which is characterized in that the 2000 Surveying & Mapping Benchmark frame Frame unified approach further includes：

According to the nrms values of the corresponding Baselines result of the CORS base stations major network, the CORS base stations major network is obtained Synchronous loop closure；

According to the baseline of N-1 base station composition, the M items of the n-th base station and M adjacent reference station composition Single baseline calculates the asynchronous loop closure of the CORS base stations major network；

According to the baseline of N-1 base station composition, the M items of the n-th base station and M adjacent reference station composition The length of the corresponding baseline component of single baseline, respectively to the baseline of N-1 base station composition, the n-th base station with The fixed error and proportional error of the corresponding baseline component of M item list baselines of M adjacent reference station composition carry out linear Fitting, calculates the repeatable accuracy of the CORS base stations major network；

According to the corresponding Baselines result of the CORS base stations major network and the repeatable accuracy of the CORS base stations major network, Calculate the baseline repetitive rate of the CORS base stations major network；

According to the synchronization loop closure, asynchronous loop closure and baseline repetitive rate of the CORS base stations major network, described in judgement Whether the corresponding Baselines result of CORS base station major networks meets preset base line condition；

When the corresponding Baselines result of the CORS base stations major network does not meet preset base line condition, again to described CORS base station major networks carry out Baselines.

6. 2000 Surveying & Mapping Benchmark unified frame method as described in claim 1, which is characterized in that described with the CORS benchmark Station owner's net is Fixed Initial Point, carries out compensating computation processing to the equal accuracy CORS base station expansion nets, obtains the same essence Spend the corresponding CGCS2000 geodetic coordinates of base station of CORS base station expansion nets, 1980 Xi'an coordinates and the target cities 2000 coordinates, specifically include：

Base station is overlapped as Fixed Initial Point using described second, and Baselines are carried out to the equal accuracy CORS base station expansion nets, Obtain the corresponding Baselines result of the equal accuracy CORS base station expansion nets；

Base station is overlapped according to the corresponding Baselines result of the equal accuracy CORS base station expansion nets and described second Coordinate, calculate the equal accuracy CORS base station expansion nets the corresponding CGCS2000 geodetic coordinates of base station, 1980 west It sits idly mark；

According to the parameter of 2000 coordinate systems of the target cities, to the base station of the equal accuracy CORS base station expansion nets Corresponding CGCS2000 geodetic coordinates carries out gauss projection, obtains the base station pair of the equal accuracy CORS base station expansion nets 2000 coordinates of the target cities answered.

7. 2000 Surveying & Mapping Benchmark unified frame method as described in claim 1, which is characterized in that described with the CORS benchmark Station owner's net is Fixed Initial Point, is put down respectively to the first control net of the target cities, the second control net and third control net Poor calculation processing obtains the base station pair of the first control net, the second control net and third control net respectively 2000 coordinates of the CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities answered, specifically include：

Base station is overlapped as Fixed Initial Point using the third, and Baselines are carried out to the first control net, obtain first control System nets corresponding Baselines result；

The coordinate that corresponding Baselines result and the third overlap base station is netted according to first control, described in calculating The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of first control net；

According to the parameter of 2000 coordinate systems of the target cities, to the corresponding CGCS2000 of base station of the first control net Geodetic coordinates carries out gauss projection, obtains 2000 coordinates of the corresponding target cities of base station of the first control net；

Base station is overlapped as Fixed Initial Point using the described 4th, and Baselines are carried out to the second control net, obtain second control System nets corresponding Baselines result；

Corresponding Baselines result is netted according to second control and the described 4th overlaps the coordinate of base station, described in calculating The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of second control net；

According to the parameter of 2000 coordinate systems of the target cities, to the corresponding CGCS2000 of base station of the second control net Geodetic coordinates carries out gauss projection, obtains 2000 coordinates of the corresponding target cities of base station of the second control net；

Base station is overlapped as Fixed Initial Point using the described 5th, and net is controlled to the third and carries out Baselines, obtains the third control System nets corresponding Baselines result；

Corresponding Baselines result is netted according to third control and the described 5th overlaps the coordinate of base station, described in calculating The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates of third control net；

According to the parameter of 2000 coordinate systems of the target cities, to the corresponding CGCS2000 of base station of third control net Geodetic coordinates carries out gauss projection, obtains 2000 coordinates of the corresponding target cities of base station of the third control net.

8. a kind of 2000 Surveying & Mapping Benchmark unified frame devices, which is characterized in that including：

CORS systems establish module, are used for from multiple CORS systems of target cities and the province CORS on the target cities periphery The base station for obtaining the base station and the second setting quantity of the first setting quantity in system respectively, establishes set with described first respectively The CORS base stations major network of the corresponding target cities of fixed number amount and the target corresponding with the second setting quantity The equal accuracy CORS base station expansion nets in city；Wherein, the province CORS systems are that the province belonging to the target cities corresponds to CORS systems；

First coordinate transferring is used for using the base station of the province CORS systems as Fixed Initial Point, to the target cities CORS base station major networks carry out compensating computation, and the base station for obtaining the CORS base station major networks of the target cities is corresponding 2000 coordinates of CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities；

Second coordinate transferring is used for using the CORS base stations major network of the target cities as Fixed Initial Point, to the same essence It spends CORS base station expansion nets and carries out compensating computation processing, obtain the base station pair of the equal accuracy CORS base station expansion nets 2000 coordinates of the CGCS2000 geodetic coordinates, 1980 Xi'an coordinates and the target cities answered；

Third coordinate transferring, for using the CORS base stations major network as Fixed Initial Point, respectively to the of the target cities One control net, the second control net and third control net carry out compensating computation processing, obtain the first control net, described respectively The corresponding CGCS2000 geodetic coordinates of base station, the 1980 Xi'an coordinates and described of second control net and third control net 2000 coordinates of target cities.

9. a kind of 2000 Surveying & Mapping Benchmark unified frame devices, which is characterized in that including processor, memory and be stored in described In memory and it is configured as the computer program executed by the processor, when the processor executes the computer program Realize 2000 Surveying & Mapping Benchmark unified frame method as claimed in any of claims 1 to 7 in one of claims.

10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage Machine program, wherein equipment where controlling the computer readable storage medium when the computer program is run is executed as weighed Profit requires 2000 Surveying & Mapping Benchmark unified frame methods described in any one of 1 to 7.