CN109782275A - The reference point check system and method for GNSS deformation monitoring - Google Patents
The reference point check system and method for GNSS deformation monitoring Download PDFInfo
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- CN109782275A CN109782275A CN201910193664.7A CN201910193664A CN109782275A CN 109782275 A CN109782275 A CN 109782275A CN 201910193664 A CN201910193664 A CN 201910193664A CN 109782275 A CN109782275 A CN 109782275A
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Abstract
The present invention relates to technology for deformation monitoring, solve the problems, such as that the calibrating mode accuracy of the reference point of existing deformation monitoring is low.Technical solution is summarized are as follows: the reference point check system and method for GNSS deformation monitoring, including satellite, DEFORMATION MONITORING SYSTEM, GNSS reference station and GNSS continuous operation of the reference station, the observation data and three-dimensional coordinate of DEFORMATION MONITORING SYSTEM acquisition GNSS continuous operation of the reference station, and the observation data calculation of any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and the current three-dimensional coordinate of the GNSS reference station is replaced with to the three-dimensional coordinate for the GNSS reference station that this resolving obtains.Beneficial effect is: the present invention can be avoided the problem that optical instrument causes accuracy low due to beyond measurement range, simultaneously, additionally it is possible to GNSS continuous operation of the reference station is arranged other than Effects on Engineering range, improve the accuracy of reference point calibration.The present invention is especially suitable for hydraulic structure deformation monitorings.
Description
Technical field
The present invention relates to technology for deformation monitoring, in particular to are based on GNSS (Global Navigation Satellite
System technology for deformation monitoring).
Background technique
Currently based on the technology for deformation monitoring of GNSS, data are acquired by installing GNSS device in measuring point and reference point, into
One step calculates again judges whether measuring point deforms, such as is exactly to realize deformation through the above way in current Deformation Monitoring of Dam
Monitoring.It is to draft reference point locations to stablize constant, but actual conditions are: the position of reference point when being monitored using aforesaid way
Set and do not stablize constant, such as reservoir, after impounding and operation, the soaking and huge water pressure of water the effects of under, library bank itself
And its two sides basis and side slope can all occur to adapt to adjustment accordingly and be deformed.Therefore, accurately deformation is supervised in order to obtain
Measured data needs to calibrate the position of reference point.The calibration method of existing reference point is obtained by optical instrument measurement
The deflection of reference point is simultaneously corrected, however the measurement of optical instrument distance is smaller, and generally in 2 kilometer ranges, this is just led
Two problems are caused, first is that being limited by landform, ranging has exceeded the measurement range of optical instrument between point, so that measurement result is accurate
Low, such as application scenarios in high dam, big library are spent, reservoir area is long, and distance is very big between two sides itself and left and right two sides；Second is that reservoir
After dam operation, deformation coverage is wide, especially the heavy constructions such as high dam, big library, has certain position in 5 kilometer ranges
Shifting amount, therefore optical instrument is inherently in a unstable environment, so that its measurement result accuracy is low.It can be seen that
The method accuracy that the prior art measured by optical instrument and calibrated the reference point of deformation monitoring is low.Wherein, in the present invention
The GNSS continuous operation of the reference station being related to is for providing to the user of different type, different demands, different levels by inspection
The different types of Satellite Observations tested, the equipment of various corrections, status information etc., wherein just including providing a user
The Satellite Observations and accurate three-dimensional coordinate of our station, such as country IGS (The International GNSS Service)
Permanent observation station.
Summary of the invention
The present invention is to solve the problems, such as that the calibrating mode accuracy of the reference point of existing deformation monitoring is low, provides a kind of GNSS
The reference point check system and method for deformation monitoring.
To solve the above problems, the technical solution adopted by the present invention is that:
The reference point check system of GNSS deformation monitoring, including satellite, DEFORMATION MONITORING SYSTEM, at least one GNSS reference station
At least two GNSS continuous operation of the reference station；
The GNSS reference station obtains the observation data of our station for observation satellite, and sends the observation data of our station to
DEFORMATION MONITORING SYSTEM；
The GNSS continuous operation of the reference station obtains the observation data of our station for observation satellite, and by the observation number of our station
DEFORMATION MONITORING SYSTEM is sent to according to the three-dimensional coordinate with our station；
The DEFORMATION MONITORING SYSTEM is used for the observation data according at least two GNSS continuous operation of the reference station received
And the observation data calculation of three-dimensional coordinate and any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and should
The current three-dimensional coordinate of GNSS reference station replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
As advanced optimizing, above system includes at least three GNSS reference stations, and the DEFORMATION MONITORING SYSTEM is also used to
It calculates and the three-dimensional coordinate for recording each GNSS reference station replaces displacement between two coordinates of front and back every time, and record is each
The time that the three-dimensional coordinate of GNSS reference station is replaced every time, and replaced every time according to the three-dimensional coordinate of each GNSS reference station of record
The time that the three-dimensional coordinate of the displacement and each GNSS reference station that change between two coordinate of front and back is replaced every time, statistics is each respectively
The total displacement amount of the three-dimensional coordinate of GNSS reference station within a preset period of time, and successively according to the ascending sequence of total displacement amount
The GNSS reference station for choosing predetermined number, using the current location of selected GNSS reference station as datum mark, according to selected
The observation data of GNSS reference station and the observation data calculation of three-dimensional coordinate and any unselected GNSS reference station obtain
The three-dimensional coordinate of the GNSS reference station unselected to this, and the current three-dimensional coordinate of the unselected GNSS reference station is replaced
It is changed to the three-dimensional coordinate of the unselected GNSS reference station that this resolving obtains, wherein predetermined number is greater than or equal to 2, and
Less than the total number of GNSS reference station.
As advanced optimizing, the GNSS reference station and GNSS continuous operation of the reference station use and are based on Beidou satellite navigation
The reference station of technology.
The reference point method of calibration of GNSS deformation monitoring, based on the reference point check system of above-mentioned GNSS deformation monitoring,
Include:
GNSS reference station observation satellite obtains the observation data of our station, and sends deformation monitoring for the observation data of our station
System；
GNSS continuous operation of the reference station observation satellite obtains the observation data of our station, and by the observation data and our station of our station
Three-dimensional coordinate be sent to DEFORMATION MONITORING SYSTEM；
Observation data and three-dimensional seat of the DEFORMATION MONITORING SYSTEM according at least two GNSS continuous operation of the reference station received
The observation data calculation of mark and any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and the GNSS is referred to
The current three-dimensional coordinate stood replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
As advanced optimizing, the above method further include: DEFORMATION MONITORING SYSTEM calculates and records each GNSS reference station
Three-dimensional coordinate replaces the displacement between two coordinates of front and back every time, and records the three-dimensional coordinate of each GNSS reference station and replace every time
Time；
DEFORMATION MONITORING SYSTEM is replaced according to the three-dimensional coordinate of each GNSS reference station of record every time between two coordinates of front and back
The time that displacement and the three-dimensional coordinate of each GNSS reference station are replaced every time counts the three-dimensional of each GNSS reference station respectively and sits
The total displacement amount of mark within a preset period of time；
DEFORMATION MONITORING SYSTEM successively chooses the GNSS reference station of predetermined number according to the ascending sequence of total displacement amount, will
The current location of selected GNSS reference station is as datum mark, according to the observation data and three-dimensional of selected GNSS reference station
The observation data calculation of coordinate and any unselected GNSS reference station obtains the three of the unselected GNSS reference station
Tie up coordinate, and by the current three-dimensional coordinate of the unselected GNSS reference station replace with that this resolving obtains this is unselected
GNSS reference station three-dimensional coordinate, wherein predetermined number be greater than or equal to 2, and be less than GNSS reference station total number.
As advanced optimizing, the GNSS reference station and GNSS continuous operation of the reference station are based on Beidou satellite navigation technology
Observation satellite.
Beneficial effect is: the present invention is based on the deformations of GNSS technical monitoring, are carrying out school to reference point (i.e. GNSS reference station)
When testing, the GNSS continuous operation of the reference station of the reference point and known exact position that need to verify is subjected to networking, resolving is joined
The latest position of examination point；Due to carrying out position detection by GNSS technology, GNSS continuous operation of the reference station and GNSS reference station it
Between the distance that allows can reach hundred kilometers even thousands of kms, be far longer than the measurement distance of optical instrument, therefore can
The problem for avoiding optical instrument from causing accuracy low due to beyond measurement range, simultaneously, additionally it is possible to refer to GNSS continuous operation
It stands and is arranged other than Effects on Engineering range, improve the accuracy of reference point calibration.The present invention is especially suitable for hydraulic structure changes
Shape monitoring.
Detailed description of the invention
Fig. 1 is the system structure diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, technical solution of the present invention is further illustrated.
The technical scheme is that
The reference point check system of GNSS deformation monitoring, including satellite, DEFORMATION MONITORING SYSTEM, at least one GNSS reference station
At least two GNSS continuous operation of the reference station；
The GNSS reference station obtains the observation data of our station for observation satellite, and sends the observation data of our station to
DEFORMATION MONITORING SYSTEM；
The GNSS continuous operation of the reference station obtains the observation data of our station for observation satellite, and by the observation number of our station
DEFORMATION MONITORING SYSTEM is sent to according to the three-dimensional coordinate with our station；
The DEFORMATION MONITORING SYSTEM is used for the observation data according at least two GNSS continuous operation of the reference station received
And the observation data calculation of three-dimensional coordinate and any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and should
The current three-dimensional coordinate of GNSS reference station replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
The reference point method of calibration of GNSS deformation monitoring, based on the reference point check system of above-mentioned GNSS deformation monitoring,
Include:
GNSS reference station observation satellite obtains the observation data of our station, and sends deformation monitoring for the observation data of our station
System；
GNSS continuous operation of the reference station observation satellite obtains the observation data of our station, and by the observation data and our station of our station
Three-dimensional coordinate be sent to DEFORMATION MONITORING SYSTEM；
Observation data and three-dimensional seat of the DEFORMATION MONITORING SYSTEM according at least two GNSS continuous operation of the reference station received
The observation data calculation of mark and any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and the GNSS is referred to
The current three-dimensional coordinate stood replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
The systems and methods are deformed based on GNSS technical monitoring, are verified in the three-dimensional coordinate to GNSS reference station
When, the GNSS continuous operation of the reference station of the GNSS reference station and known exact position that need to verify is subjected to networking, can be passed through
Differential positioning method resolves to obtain the latest position of reference point, achievees the purpose that calibrate GNSS reference station three-dimensional coordinate.
Above system is advanced optimized, specifically may is that
Above system includes at least three GNSS reference stations, and DEFORMATION MONITORING SYSTEM is also used to calculate and record each GNSS ginseng
Examine station three-dimensional coordinate replace every time front and back two coordinates between displacement, and record each GNSS reference station three-dimensional coordinate it is every
The time of secondary replacement, and the displacement between two coordinates of front and back is replaced according to the three-dimensional coordinate of each GNSS reference station of record every time
The time replaced every time with the three-dimensional coordinate of each GNSS reference station counts the three-dimensional coordinate of each GNSS reference station pre- respectively
If the total displacement amount in the period, and referred to according to the GNSS that the ascending sequence of total displacement amount successively chooses predetermined number
Stand, can GNSS reference station not with the period of GNSS continuous operation of the reference station translocation in, by selected GNSS reference station
Current location as datum mark, according to the observation data and three-dimensional coordinate of selected GNSS reference station and it is any not by
The observation data calculation of the GNSS reference station of selection obtains the three-dimensional coordinate of the unselected GNSS reference station, and by this not by
The current three-dimensional coordinate of the GNSS reference station of selection replaces with the three of the unselected GNSS reference station that this resolving obtains
Coordinate is tieed up, wherein predetermined number is greater than or equal to 2, and is less than the total number of GNSS reference station.The reason of carrying out above-mentioned optimization is:
The distance between GNSS reference station of GNSS continuous operation of the reference station and hydroelectric project generally tens kilometers even hundreds of kilometer,
Due to distance, it is more and complicated that Long baselines resolve parameter setting, and in order to obtain accurate calculation result, it is also necessary to consider
A variety of earth movements such as plate motion, tide influence, and the accurate parameter for needing to announce using GNSS continuous operation of the reference station
It is waiting for a long time when information, such as precise ephemeris could generally announce data after 1 week.Pass through although resulting in as a result,
GNSS continuous operation of the reference station is more accurate come the position for calibrating GNSS reference station, but its correlation setting, calculation processes
It is all more troublesome, and the required time is long.Therefore, above-mentioned Optimized Measures the displacement for having counted multiple GNSS reference stations it
Afterwards, the metastable GNSS reference station of out position is chosen as datum mark, and networking correction is carried out between GNSS reference station, due to
The distance between GNSS reference station of hydroelectric project is generally in several kilometer ranges, by carrying out a group network school between GNSS reference station
Timing can eliminate correlation error most absolutely by difference and networking, and not need to refer to using GNSS continuous operation
It stands the parameter posterior information announced, is influenced without the concern for a variety of earth movements such as plate motion, tide.It can be seen that above-mentioned
The related setting of Optimized Measures, to calculate data procedures relatively easy, and between GNSS reference station the datum mark of networking be by
Screening, position is more stable, and then can also improve the accuracy that networking verification is carried out between GNSS reference station.
GNSS reference station and GNSS continuous operation of the reference station use the reference station based on Beidou satellite navigation technology, using north
Bucket technology makes setting accuracy higher.
The above method is advanced optimized, specifically may is that
DEFORMATION MONITORING SYSTEM calculate and record each GNSS reference station three-dimensional coordinate replace every time front and back two coordinates between
Displacement, and record the time that the three-dimensional coordinate of each GNSS reference station is replaced every time；DEFORMATION MONITORING SYSTEM is according to record
The three-dimensional coordinate of each GNSS reference station replaces the three-dimensional seat of displacement and each GNSS reference station between two coordinates of front and back every time
The time replaced every time is marked, counts the total displacement amount of the three-dimensional coordinate of each GNSS reference station within a preset period of time respectively；Become
Shape monitoring system successively chooses the GNSS reference station of predetermined number according to the ascending sequence of total displacement amount, can join in GNSS
Station is examined not and in the period of GNSS continuous operation of the reference station translocation, using the current location of selected GNSS reference station as base
On schedule, according to the observation data and three-dimensional coordinate of selected GNSS reference station and any unselected GNSS reference station
Observation data calculation obtain the three-dimensional coordinate of the unselected GNSS reference station, and by the unselected GNSS reference station
Current three-dimensional coordinate replace with the three-dimensional coordinate of the unselected GNSS reference station that this resolving obtains, wherein default
Number is greater than or equal to 2, and is less than the total number of GNSS reference station.The reason of carrying out above-mentioned optimization can refer to above-mentioned corresponding system
The explanation of Optimized Measures.
GNSS reference station and GNSS continuous operation of the reference station are based on Beidou satellite navigation technology observation satellite, using Beidou skill
Art makes setting accuracy higher.
Embodiment
Concrete example illustrates technical solution of the present invention below.
The reference point check system of the GNSS deformation monitoring of this example, using Beidou technology, as shown in Figure 1, including includes defending
Star, DEFORMATION MONITORING SYSTEM, Beidou reference station one, Beidou reference station two, Beidou reference station three, one and of Beidou continuous operation of the reference station
Beidou continuous operation of the reference station two；DEFORMATION MONITORING SYSTEM respectively with Beidou reference station one, Beidou reference station two, Beidou reference station
Three, two connection communication of Beidou continuous operation of the reference station one and Beidou continuous operation of the reference station.
When being calibrated to Beidou reference station one, Beidou reference station two and Beidou reference station three, using following steps:
Step 1: Beidou reference station one, Beidou reference station two and Beidou reference station three, which distinguish observation satellite, obtains our station
Data are observed, and send DEFORMATION MONITORING SYSTEM for the observation data of our station；Beidou continuous operation of the reference station one and Beidou are continuous
The observation data that two observation satellite of reference station obtains our station are run, and the three-dimensional coordinate of the observation data of our station and our station is sent
To DEFORMATION MONITORING SYSTEM.
Step 2: observation data and three-dimensional seat of the DEFORMATION MONITORING SYSTEM according to the Beidou continuous operation of the reference station one received
The observation data of mark, the observation data of Beidou continuous operation of the reference station two and three-dimensional coordinate and Beidou reference station one, pass through difference
Divide localization method to resolve to obtain the three-dimensional coordinate of Beidou reference station one, and the current three-dimensional coordinate of Beidou reference station one is replaced with
The three-dimensional coordinate for the Beidou reference station one that this resolving obtains, while calculating and recording Beidou reference station one, three-dimensional coordinate sheet
Displacement before and after secondary replacement between two coordinates, and record the time of this replacement of the three-dimensional coordinate of Beidou reference station one.With it is upper
It states similarly, resolve the three-dimensional coordinate for obtaining Beidou reference station two and Beidou reference station three respectively according to corresponding data and carries out corresponding
Replacement, while calculating separately and recording this two coordinate of replacement front and back of the three-dimensional coordinate of Beidou reference station two and Beidou reference station three
Between displacement, and record the time of this replacement of the three-dimensional coordinate of Beidou reference station two and Beidou reference station three respectively.
Step 3: periodically or non-periodically execute step 1 and step 2, generally quarterly or the longer time execute it is primary,
And execute step 4.Step 4: DEFORMATION MONITORING SYSTEM is referred to according to the Beidou reference station one, Beidou reference station two and Beidou of record
Stand three three-dimensional coordinate replace every time front and back two coordinates between displacement and Beidou reference station one, Beidou reference station two and Beidou ginseng
The time that the three-dimensional coordinate at station three is replaced every time is examined, counts Beidou reference station one, Beidou reference station two and Beidou reference station respectively
The total displacement amount of three three-dimensional coordinate within a preset period of time.
Step 5: GNSS reference station not with the period of GNSS continuous operation of the reference station translocation in, DEFORMATION MONITORING SYSTEM
2 Beidou reference stations are chosen according to the ascending sequence of total displacement amount, this example assumes Beidou reference station one and Beidou reference station
Two total displacement amounts within a preset period of time is both less than Beidou reference station three, then the reference station chosen is Beidou reference station one and north
Bucket reference station two refers to then using the current location of Beidou reference station one and Beidou reference station two as datum mark according to Beidou
Stand one and Beidou reference station two observation data and three-dimensional coordinate and Beidou reference station three observation data, it is fixed by difference
Position method resolves to obtain the three-dimensional coordinate of Beidou reference station three, and the current three-dimensional coordinate of Beidou reference station three is replaced with this
Resolve the three-dimensional coordinate of obtained Beidou reference station three.
Claims (6)
- The reference point check system of 1.GNSS deformation monitoring, including satellite, DEFORMATION MONITORING SYSTEM and at least one GNSS reference station, It is characterized in that, further including at least two GNSS continuous operation of the reference station；The GNSS reference station obtains the observation data of our station for observation satellite, and sends deformation for the observation data of our station Monitoring system；The GNSS continuous operation of the reference station obtains the observation data of our station for observation satellite, and by the observation data of our station and The three-dimensional coordinate of our station is sent to DEFORMATION MONITORING SYSTEM；The DEFORMATION MONITORING SYSTEM is used for the observation data and three according at least two GNSS continuous operation of the reference station received The observation data calculation of dimension coordinate and any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and by the GNSS The current three-dimensional coordinate of reference station replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
- 2. the reference point check system of GNSS deformation monitoring as described in claim 1, which is characterized in that including at least three GNSS reference station, before the three-dimensional coordinate that the DEFORMATION MONITORING SYSTEM is also used to calculate and record each GNSS reference station is replaced every time Displacement between two coordinates afterwards, and the time that the three-dimensional coordinate of each GNSS reference station is replaced every time is recorded, and according to record Each GNSS reference station three-dimensional coordinate replace every time front and back two coordinates between displacement and each GNSS reference station three-dimensional The time that coordinate is replaced every time counts the total displacement amount of the three-dimensional coordinate of each GNSS reference station within a preset period of time respectively, And the GNSS reference station of predetermined number is successively chosen according to the ascending sequence of total displacement amount, by selected GNSS reference station Current location as datum mark, according to the observation data and three-dimensional coordinate of selected GNSS reference station and it is any not by The observation data calculation of the GNSS reference station of selection obtains the three-dimensional coordinate of the unselected GNSS reference station, and by this not by The current three-dimensional coordinate of the GNSS reference station of selection replaces with the three of the unselected GNSS reference station that this resolving obtains Coordinate is tieed up, wherein predetermined number is greater than or equal to 2, and is less than the total number of GNSS reference station.
- 3. the reference point check system of GNSS deformation monitoring as described in claim 1, which is characterized in that the GNSS reference station The reference station based on Beidou satellite navigation technology is used with GNSS continuous operation of the reference station.
- The reference point method of calibration of 4.GNSS deformation monitoring, based on the described in any item GNSS deformation monitorings of claim 1-3 Reference point check system characterized by comprisingGNSS reference station observation satellite obtains the observation data of our station, and sends deformation monitoring system for the observation data of our station System；GNSS continuous operation of the reference station observation satellite obtains the observation data of our station, and by the three of the observation data of our station and our station Dimension coordinate is sent to DEFORMATION MONITORING SYSTEM；DEFORMATION MONITORING SYSTEM according to the observation data and three-dimensional coordinate of at least two GNSS continuous operation of the reference station received, with And the observation data calculation of any GNSS reference station obtains the three-dimensional coordinate of the GNSS reference station, and working as the GNSS reference station Preceding three-dimensional coordinate replaces with the three-dimensional coordinate for the GNSS reference station that this resolving obtains.
- 5. the reference point method of calibration of GNSS deformation monitoring as claimed in claim 4, which is characterized in that further include:DEFORMATION MONITORING SYSTEM calculate and record each GNSS reference station three-dimensional coordinate replace every time front and back two coordinates between displacement Amount, and record the time that the three-dimensional coordinate of each GNSS reference station is replaced every time；DEFORMATION MONITORING SYSTEM replaces the displacement between two coordinates of front and back according to the three-dimensional coordinate of each GNSS reference station of record every time The time that the three-dimensional coordinate of amount and each GNSS reference station is replaced every time, the three-dimensional coordinate for counting each GNSS reference station respectively exist Total displacement amount in preset time period；DEFORMATION MONITORING SYSTEM successively chooses the GNSS reference station of predetermined number according to the ascending sequence of total displacement amount, will be selected The current location of the GNSS reference station taken is as datum mark, according to the observation data of selected GNSS reference station and three-dimensional seat The observation data calculation of mark and any unselected GNSS reference station obtains the three-dimensional of the unselected GNSS reference station Coordinate, and by the current three-dimensional coordinate of the unselected GNSS reference station replace with that this resolving obtains this is unselected The three-dimensional coordinate of GNSS reference station, wherein predetermined number is greater than or equal to 2, and is less than the total number of GNSS reference station.
- 6. the reference point method of calibration of GNSS deformation monitoring as claimed in claim 4, which is characterized in that the GNSS reference station Beidou satellite navigation technology observation satellite is based on GNSS continuous operation of the reference station.
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| CN114355390A (en) * | 2021-12-06 | 2022-04-15 | 浙江时空道宇科技有限公司 | Fault detection method, device, equipment and storage medium for server product |
| CN115310884A (en) * | 2022-10-12 | 2022-11-08 | 齐鲁云商数字科技股份有限公司 | GNSS base station and vehicle-mounted measuring device linkage-based accurate replenishment system and method |
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