CN110426024A - It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal - Google Patents
It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal Download PDFInfo
- Publication number
- CN110426024A CN110426024A CN201910835436.5A CN201910835436A CN110426024A CN 110426024 A CN110426024 A CN 110426024A CN 201910835436 A CN201910835436 A CN 201910835436A CN 110426024 A CN110426024 A CN 110426024A
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- handbook
- rtk
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- electronic compass
- coordinate
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- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 241001269238 Data Species 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 241001061260 Emmelichthys struhsakeri Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal, including RTK handbook, electronic module；It is characterized in that being mounted in the existing RTK handbook back box (23) of increasing with camera and being capable of measuring the flat laser range finder module (10) away from, height difference；Be mounted with to be crossed as to determine the electronic compass A(14 of angle), electronic compass B(18) and electronic compass C(38) and radio station differential received unit (33) and gyroscope (46) composition novel handbook.Can also be received other than having traditional RTK handbook function from from frame radio station base station differential signal, by laser ranging and azimuth determination, measure the measuring point coordinate other than RTK measuring point, the purpose for adopting multiple topographic(al) points while adopting a RTK point is realized, solve the problems, such as to measure difficulty in special circumstances in zanjon, cliff etc. or is unable to sampling site.Working efficiency is improved, is reduced labor intensity, safety is higher.
Description
Technical field
The invention belongs to a kind of whole station RTK handbooks for being capable of measuring coordinate and receiving radio station differential signal.
Background technique
Satellite positioning RTK is indispensable instrument in modern project measurement, it uses from frame radio station or borrows net
Base station dynamic real-time difference signal is transferred to mobile station receiver, realizes and obtain centimeter-level positioning precision in real time in field by network
Measurement method, its appearance is engineering setting out, topographic mapping, and various controls measure, and greatly improves field operation operating efficiency.
Existing satellite positioning RTK measuring instrument, mobile station receiver are used to receive the receiving unit of base station differential signal
It being all mounted in mobile station antenna head box, this structure type virtually increases the weight of movement station head, because
Movement station head is mounted in what centering rod top measured, and in field work, bowheaviness then holds the torque of centering rod
It is just big, it is easy to make people tired, in the case where such as needing to elevate movement station, bowheaviness, meeting is more laborious and has the danger of landing,
For this angle, the lighter RTK rover station antenna head the better；In addition, existing satellite positioning RTK measuring instrument, is surveyed
Each point, survey crew must all shoulder instrument arrive in person at measuring point measure, measurement data could be obtained, such as encounter people not
River, zanjon, cliff can be gone to or have the woods for blocking no enough satellite-signals, corner, it is just highly difficult or can not carry out
Measurement.
Summary of the invention
It is an object of the invention to provide a kind of whole station RTK handbooks for being capable of measuring coordinate and receiving radio station differential signal, should
Handbook can also receive radio station differential signal and measurement coordinate, elevation in addition to having the function of conventional RTK handbook, to solve existing satellite
The problem of topographic(al) point other than RTK measuring point cannot be obtained in positioning RTK measuring instrument use.
Technical solution:
It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal, including RTK handbook, electronic module；In showing for increasing
Have and is mounted in RTK handbook back box with camera and is capable of measuring the flat laser range finder module away from, height difference；It is equipped with for surveying
Measure electronic compass A, electronic compass B and the electronic compass for being crossed as determining angle of azimuthal two or more numbers
The novel handbook that C or gyroscope and radio station differential received unit are constituted.
The existing RTK handbook back box of the increasing is that the width or length of existing RTK handbook back box are increased to and can be installed
Camera is simultaneously capable of measuring the flat laser range finder module away from, height difference；Two or three electronic compass can be installed, radio station difference connects
Receive the devices such as unit and gyroscope.
It is equipped in whole station RTK handbook back box cavity Inner Front End for measuring the flat laser range finder away from, height difference.
Radio station difference unit for receiving radio station base station differential signal is installed in whole station RTK handbook back box cavity.
It is equipped in a manner of orthogonal for measuring azimuthal electronic guide in whole station RTK handbook back box cavity
Needle and electronic compass.
That installs in whole station RTK handbook back box can be according to required precision, using 3 for measuring azimuthal electronic compass
A electronic compass A, electronic compass B and electronic compass C press 120 degree of combined crosswises.
2 be mutually perpendicular to installation or 3 by the installation of 120 degree combined crosswises be used to measure azimuthal electronic compass A,
2 or 3 bearing datas that electronic compass B and electronic compass C are measured, except for resolving coordinate data, mutual difference
It is additionally shown on screen, for monitoring the relative accuracy of measuring point.
Being mounted on the intracorporal gyroscope of whole station RTK handbook back box chamber is another azimuthal mode of measurement.
Specific constituted mode: being to be inlaid with display screen and key on lid on existing rectangle RTK handbook；Under upper cover
Left front end is equipped with camera by screw and is capable of measuring the flat laser range finder away from, height difference in the back box in face；In back box
Interior left side middle position is fixedly installed with and is mutually perpendicular to or three at 120 degree for measuring azimuthal two by screw
Intersect the High Accuracy Electronic Compass or gyroscope of installation；Lower end provides the electricity of power supply with the promising handbook of double-sided adhesive cementation in back box
Pond；Right side middle position is fixedly installed with the radio station difference unit for receiving radio station differential signal by screw in back box,
Its built-in pulling type receiving antenna bottom is screwed, and is connect by conducting wire with radio station difference unit, and the antenna other end is embedding
Enter formula to be mounted on back box right front ends shell, antenna can extract elongation out；RTK mainboard is fixed by screws in back box right front ends.
Application method: whole station RTK handbook made of in the manner described above, the whole station formed with centering rod and antenna head
RTK can measure the coordinate XaYaZa storage of a certain measuring point A by whole station RTK as existing RTK measurement method first,
RTK measurement function is turned to handbook measurement of coordinates function on whole station RTK handbook, passes through the Laser Measuring on whole station RTK handbook
Distance meter measures A point to the flat distance D of other measuring point B point, and height difference h, compass measures azimuth angle alpha.By mathematical computations, we
Can obtain A point to B point increment of coordinate △ x △ y △ z, in addition the origin coordinates XaYaZa of A point, obtains unknown point B point
Coordinate XbYbZb.
When surveying flat distance, height difference and azimuth, if not seeing target, can be furthered amplification by laser range finder camera
Observation.It is crossed as the mode of the electronic compass of 90 degree of installations with two, two groups of corners of laser range finder laser beam can be measured
Degree evidence calculates two sets of coordinate datas；In such a way that three are handed over the electronic compass installed at 120 degree, laser can be measured
Three prescription angle-datas of rangefinder laser beam, calculate three sets of coordinate datas.The multiple groups coordinate data calculated passes through adjustment
Coordinate data more higher than single group data precision is calculated, while the mutual difference of XYZ coordinate value is displayed on the screen, for monitoring
The relative accuracy of measuring point.
Theoretically, if compass is working properly not by magnetic interference, in the case where ignoring foozle, XYZ is sat
Marking mutual difference should be 0, if mutually difference is big, exceeds accuracy rating, be not able to satisfy current measurement request, can be by whole station RTK hand
The rotation of book circle in figure 8 measures again several times, until meeting the requirements.
Two are pitched the electronic compass A and electronic compass B installed at 90 degree, measuring point coordinate value after adjustment are as follows: X=(Xa+
Xb)/2, Y=(Ya+Yb)/2, Z=(Za+Zb)/2, XYZ is shown in handbook display screen lower left；Mutual difference sigma x=Xa-Xb, σ y=Ya-
Yb, σ z=Za-Zb, mutual difference sigma x σ y σ z are shown in handbook display screen lower right；Three are crossed as the electronic guide of 120 degree of installations
Needle A, electronic compass B and electronic compass C, measuring point coordinate value after adjustment are as follows: X=(Xa+Xb+Xc)/3, Y=(Ya+Yb+Yc)/
3, Z=(Za+Zb+Zc)/3, XYZ is shown in handbook display screen lower left；Mutual difference sigma x1=Xa-Xb, σ y1=Ya-Yb, σ z1=Za-
Zb；Mutual difference sigma x2=Xa-Xc, σ y2=Ya-Yc, σ z2=Za-Zc；；Under mutual difference sigma x1 σ y1 σ z1 is shown in handbook display screen
Side；Mutual difference sigma x2 σ y2 σ z2 is shown in handbook display screen lower right.
The azimuth angle alpha that compass measures=δ+β, δ be Current electronic compass reading, β be whole station RTK handbook factory before
The laser range finder laser axis true bearing angle measured in the case of no magnetic interference subtracts the difference of electronic compass reading, this meter
Calculation process is to be completed in handbook by software.
Azimuth is such as measured using gyroscope, application method is same as above.And the seat of a certain measuring point A is measured by RTK first
XaYaZa storage is marked, RTK measurement function is turned to handbook measurement of coordinates function on whole station RTK handbook, passes through whole station RTK hand
Laser range finder on book measures A point to the flat distance D of other measuring point B point, height difference h, gyroscope measurement azimuth angle alpha.Pass through
Mathematical computations, we can obtain A point to the increment of coordinate △ x △ y △ z of B point, in addition the origin coordinates XaYaZa of A point, obtains
To the coordinate XbYbZb of unknown point B point.
And so on, the coordinate of other points can be measured, and the RTK at A point is as you were, a RTK point is adopted in realization
The purpose of multiple topographic(al) points is adopted simultaneously.
It is capable of measuring coordinate made of in the manner described above and receives the whole station RTK handbook of radio station differential signal, passes through installation
Radio station difference unit in handbook receives the base station differential signal transmitted from radio station, cooperates the movement station on RTK centering rod
Head to obtain measuring point coordinate, and using this measuring point as survey station, passes through the laser range finder being mounted in handbook and two or three
A electronic compass for intersecting installation obtains the flat away from, height difference and azimuth of measuring point other than survey station, finally calculate RTK measuring point with
Outer measuring point coordinate.
In topographic survey actual use, compared with traditional RTK, as soon as whole station RTK surveys row RTK point, it can adopt to more than 3 rows
Topographic(al) point, working efficiency improves 3 times or more, and labor intensity is only 1/3 that tradition RTK is measured, and has well solved survey
Survey crew can not go to point position in special circumstances for river opposite bank, zanjon, cliff etc., be unable to sampling site problem；It is blocking
There is no forest, the corner of enough satellite-signals, and can there is no the ground of signal in the local sampling site for having signal, close-in measurement
Side；Short distance traverse survey mapping can also be done in forest.
Detailed description of the invention
Fig. 1 is whole station RTK handbook upper cover schematic diagram.
Fig. 2 is each unit composition schematic diagram in the whole station RTK handbook back box using two electronic compass.
Fig. 3 is the structure chart that whole station RTK handbook uses three electronic compass.
Fig. 4 is the location drawing of whole station RTK handbook coordinate mutual deviation on a display screen.
Fig. 5 is to measure each unit composition schematic diagram in azimuthal whole station RTK handbook back box using gyroscope.
Specific embodiment
Below in conjunction with attached drawing, technical solution is illustrated as embodiment.
Referring to Fig.1,2, the front end aperture of whole station RTK rectangle handbook upper cover 3 of the present invention, which is inlayed, is equipped with handbook display screen
1, display screen 1 is inserted into host slot G28 by winding displacement G4, for showing various data, file and the measuring state of RTK measurement
Etc. information.Rear end aperture inlays gluing and is equipped with handbook key group 2, and handbook key group 2 is inserted into host slot H29 by winding displacement H5
It is interior, for characters such as handbook input number, letter and symbols.
Referring to Fig. 2, left front end is fixedly installed with by 4 screw A9 with camera shooting in whole station RTK handbook back box 23 of the present invention
Head is simultaneously capable of measuring the flat laser range finder module 10 away from, height difference, and laser range finder module 10 is inserted into host slot by winding displacement A11
In A12；Laser ranging head 7, installation by adhering is in back box shell left front end aperture 6；Left side middle position passes through 8 in back box
Screw B13 and screw C17, is fixedly installed with for measuring azimuthal two high-precision electronics for intersecting into an angle of 90 degrees
Compass A14 and electronic compass B18, electronic compass A14 are inserted into host slot B16 by winding displacement B15；Electronic compass
B18 is inserted into host slot C20 by winding displacement C19；Lower end double-sided adhesive cementation battery 22, is welded on by conducting wire A21 in back box
On mainboard 27, power supply is provided for handbook；Right side middle position is fixedly installed with by screw E32 for receiving radio station in back box
The radio station difference unit 33 of differential signal, and be inserted into host slot E30 by winding displacement E31；Radio station difference unit 33 is built-in to be taken out
The bottom 37 of pull-type antenna 35 is fixed with screw F36, and is connect by conducting wire B34 with radio station difference unit 33；Drawing and pulling type antenna
For 35 other end installation by adhering on back box right front ends shell 24, aerial head 25 can extract elongation out；RTK mainboard 27 passes through 4 spiral shells
Nail G26 is fixed on back box right front ends.Whole station RTK handbook upper cover 3 is covered in back box 23, passes through 4 in back box with 4 screws
Whole station RTK handbook upper cover 3 and back box 23 are linked together by back box mounting hole 8.
Referring to Fig. 3, left side middle position passes through 12 screw B13, screws in whole station RTK handbook back box 23 of the present invention
C17 and screw H39 is fixedly installed with for measuring azimuthal three High Accuracy Electronic Compass for intersecting into 120 degree
A14, electronic compass B18 and electronic compass C38, electronic compass A14 are inserted into host slot B16 by winding displacement B15；Electricity
Sub- compass B18 is inserted into host slot C20 by winding displacement C19；Electronic compass C38 is inserted into host slot by winding displacement F40
In F41.The mounting means of other devices is identical as method described in Fig. 2.
It is shown referring to Fig. 4, the coordinate XbYbZb of whole station RTK handbook measurement of coordinates function of the present invention, the unknown point B point measured
In the lower left corner of display screen 1 44.Mutual difference sigma x1 σ y1 σ z1 is shown in the middle lower section 43 of handbook display screen 1；Mutual difference sigma x2 σ y2 σ
Z2 is shown in the lower right 42 of handbook display screen 1.
Referring to Fig. 5, it is that left side middle position in azimuthal whole station RTK handbook back box 23 is measured using gyroscope, leads to
It crosses 4 screw I45 and is fixedly installed with gyroscope 46 for azimuth determination, and 27 slot I48 of mainboard is inserted by winding displacement I47
It is interior.
In the manner described above can function is more being made on the basis of existing RTK handbook, measuring instrument more adaptable
Device.Can also be received other than having traditional RTK handbook function from from frame radio station base station differential signal, by laser ranging and side
Parallactic angle measurement, measures the measuring point coordinate other than RTK measuring point, realizes the mesh for adopting multiple topographic(al) points while adopting a RTK point
, it solves the problems, such as to measure difficulty in special circumstances in zanjon, cliff etc. or is unable to sampling site.Working efficiency is improved, labour is mitigated
Intensity, safety are higher.
Claims (9)
1. being capable of measuring coordinate and receiving the whole station RTK handbook of radio station differential signal, including RTK handbook, electronic module；Its feature exists
It is mounted in the existing RTK handbook back box (23) in increasing with camera and is capable of measuring the flat laser range finder away from, height difference
Module (10)；Be mounted with to be crossed as to determine the electronic compass A(14 of angle), electronic compass B(18) and electronic compass C
(38) and the novel handbook that constitutes of radio station differential received unit (33) and gyroscope (46).
2. the whole station RTK handbook according to claim 1 for being capable of measuring coordinate and receiving radio station differential signal, it is characterised in that
It is equipped in whole station RTK handbook back box (23) cavity Inner Front End for measuring the flat laser range finder (10) away from, height difference.
3. the whole station RTK handbook according to claim 1 for being capable of measuring coordinate and receiving radio station differential signal, it is characterised in that
Radio station difference unit (33) for receiving radio station base station differential signal is installed in whole station RTK handbook back box (23) cavity.
Refer to 4. being equipped in a manner of orthogonal in whole station RTK handbook back box (23) cavity for measuring azimuthal electronics
Compass (14) and electronic compass (18).
5. the whole station RTK handbook according to claim 1 for being capable of measuring coordinate and receiving radio station differential signal, it is characterised in that
That installs in whole station RTK handbook back box can be referred to according to required precision using 3 electronics for measuring azimuthal electronic compass
Compass A(14), electronic compass B(18) and electronic compass C(38) press 120 degree of combined crosswises.
6. the whole station RTK handbook according to claim 1 for being capable of measuring coordinate and receiving radio station differential signal, it is characterised in that
It is equipped in whole station RTK handbook back box (23) cavity for measuring azimuthal gyroscope (46).
7. whole station RTK handbook according to claim 1, it is characterised in that 2 be mutually perpendicular to installation or 3 by 120 degree friendships
Fork combination installation for measuring azimuthal electronic compass A(14), electronic compass B(18) and electronic compass C(38)
The mutual difference of coordinate data that 2 measured or 3 bearing datas calculate is displayed on the screen, and realizes the opposite of monitoring measuring point
Precision.
8. whole station RTK handbook according to claim 1 or claim 7, it is characterised in that whole station RTK hand made of in the manner described above
Book, application method are: the whole station RTK of centering rod and antenna head composition measures a certain measuring point A's by whole station RTK first
Coordinate XaYaZa storage；RTK measurement function is turned to handbook measurement of coordinates function on whole station RTK handbook, passes through whole station RTK
Laser range finder on handbook measures A point to the flat distance D of other measuring point B point, height difference h, and electronic compass or gyroscope are surveyed
Azimuth angle alpha out；By mathematical computations, obtain A point to B point increment of coordinate △ x △ y △ z, in addition the origin coordinates of A point
XaYaZa obtains the coordinate XbYbZb of unknown point B point.
9. whole station RTK handbook according to claim 1 or claim 7, it is characterised in that the application method of whole station RTK handbook is to survey to put down
When distance, height difference and azimuth, if not seeing target, can be furthered amplification observation by laser range finder camera；With two
It is crossed as the mode of the electronic compass of 90 degree of installations, two prescription angle-datas of laser range finder laser beam is measured, calculates
Two sets of coordinate datas；In such a way that three are handed over the electronic compass installed at 120 degree, laser range finder laser beam can be measured
Three prescription angle-datas calculate three sets of coordinate datas；The multiple groups coordinate data calculated is obtained by compensating computation compares single group
The higher coordinate data of data precision, while the mutual difference of XYZ coordinate value is displayed on the screen, for monitoring the relatively smart of measuring point
Degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835436.5A CN110426024A (en) | 2019-09-05 | 2019-09-05 | It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835436.5A CN110426024A (en) | 2019-09-05 | 2019-09-05 | It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal |
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| CN201910835436.5A Pending CN110426024A (en) | 2019-09-05 | 2019-09-05 | It is capable of measuring coordinate and receives the whole station RTK handbook of radio station differential signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089568A (en) * | 2019-12-25 | 2020-05-01 | 上海点甜农业专业合作社 | Road sign calibration instrument based on RTK + camera |
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|---|---|---|---|---|
| DE3422738A1 (en) * | 1984-06-19 | 1985-12-19 | Fa. C. Plath, 2000 Hamburg | Method and device for measuring a true bearing with high accuracy on a moving vehicle |
| US20070174152A1 (en) * | 2003-12-08 | 2007-07-26 | Bjornberg David B | Handheld system for information acquisition, verification, recording, processing, display and communication |
| CN101105524A (en) * | 2007-08-17 | 2008-01-16 | 东南大学 | Quick cadastral survey measurement and data processing method based on real-time dynamic positioning technology |
| CN101526353A (en) * | 2008-03-03 | 2009-09-09 | 株式会社拓普康 | Geographical data collecting device |
| CN202757622U (en) * | 2012-04-18 | 2013-02-27 | 赵广超 | Data calculation system |
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| CN204331040U (en) * | 2014-06-23 | 2015-05-13 | 江苏省测绘工程院 | A kind of GLONASS (Global Navigation Satellite System) measurement mechanism |
| CN105547292A (en) * | 2015-12-30 | 2016-05-04 | 天津盛购科技发展有限公司 | System for improving indoor positioning precision on basis of gyroscope and compass |
| CN210689634U (en) * | 2019-09-05 | 2020-06-05 | 曲靖市野阳测绘科技有限公司 | Total station RTK (real time kinematic) handbook capable of measuring coordinates and receiving radio station differential signals |
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2019
- 2019-09-05 CN CN201910835436.5A patent/CN110426024A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3422738A1 (en) * | 1984-06-19 | 1985-12-19 | Fa. C. Plath, 2000 Hamburg | Method and device for measuring a true bearing with high accuracy on a moving vehicle |
| US20070174152A1 (en) * | 2003-12-08 | 2007-07-26 | Bjornberg David B | Handheld system for information acquisition, verification, recording, processing, display and communication |
| CN101105524A (en) * | 2007-08-17 | 2008-01-16 | 东南大学 | Quick cadastral survey measurement and data processing method based on real-time dynamic positioning technology |
| CN101526353A (en) * | 2008-03-03 | 2009-09-09 | 株式会社拓普康 | Geographical data collecting device |
| CN202757622U (en) * | 2012-04-18 | 2013-02-27 | 赵广超 | Data calculation system |
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| CN204331040U (en) * | 2014-06-23 | 2015-05-13 | 江苏省测绘工程院 | A kind of GLONASS (Global Navigation Satellite System) measurement mechanism |
| CN105547292A (en) * | 2015-12-30 | 2016-05-04 | 天津盛购科技发展有限公司 | System for improving indoor positioning precision on basis of gyroscope and compass |
| CN210689634U (en) * | 2019-09-05 | 2020-06-05 | 曲靖市野阳测绘科技有限公司 | Total station RTK (real time kinematic) handbook capable of measuring coordinates and receiving radio station differential signals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089568A (en) * | 2019-12-25 | 2020-05-01 | 上海点甜农业专业合作社 | Road sign calibration instrument based on RTK + camera |
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