CN102012516A - Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement - Google Patents
Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement Download PDFInfo
- Publication number
- CN102012516A CN102012516A CN 201010520331 CN201010520331A CN102012516A CN 102012516 A CN102012516 A CN 102012516A CN 201010520331 CN201010520331 CN 201010520331 CN 201010520331 A CN201010520331 A CN 201010520331A CN 102012516 A CN102012516 A CN 102012516A
- Authority
- CN
- China
- Prior art keywords
- self
- base station
- starting
- gps
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a self-starting reference station for GPS real-time dynamic measurement and a method for realizing GPS real-time dynamic measurement on the basis of the self-starting reference station. The self-starting reference station comprises a processor module, a GPS signal receiving module, a power supply module and an input and output module. After the reference station starts, single-point positioning is realized and a reference three-dimensional coordinate is acquired according to a GPS signal received by the GPS signal receiving module; a reference point signal is sent according to the acquired reference three-dimensional coordinate; and thus, the self-starting is accomplished. When the self-starting reference station and the method for performing GPS real-time dynamic measurement by using the self-starting reference station are used, the work such as reference station starting by connecting a record book to the reference station, centering, leveling and measuring apparatus height is avoided, the application of the reference station is simpler, errors generated in manual operation are avoided, the accuracy of the GPS real-time dynamic measurement is ensured, and the measurement efficiency is improved.
Description
Technical field
The present invention relates to GPS application apparatus field, particularly GPS Real-time and Dynamic (GPS-RTK) measuring equipment and application specifically are meant a kind of self-starting base station and utilize it to carry out the method for GPS real time dynamic measurement.
Background technology
Base station is to be used for a kind of equipment that GPS-RTK (Global Positioning System-Real Time Kinematic, GPS Real-time and Dynamic) measures.Wherein, gps system is that the U.S. developed since the seventies in 20th century, new generation satellite navigation and the positioning system with the comprehensive real-time three-dimensional navigation in sea, land and sky and station-keeping ability built up in 1994, it is made of space constellation, ground control centre and subscriber equipment three parts comprehensively.The GPS measuring technique can provide accurate three-dimensional coordinate and other relevant informations of point, line, surface key element fast, efficiently and accurately, have distinguishing features such as round-the-clock, high precision, robotization, high benefit, be widely used in different field such as military affairs, civilian traffic navigation, geodetic surveying, photogrammetric, field study exploration, land use survey, accurate agricultural and daily life.
RTK is that GPS measures the Real-time and Dynamic carrier phase difference technology in using, under motion state, handle the carrier phase that receives gps satellite signal by following the tracks of, thereby obtain the location achievement more much higher than conventional GPS measuring accuracy, its bearing accuracy can reach 1-3 centimetre.The RTK technology of real-time high-precision has unprecedented application prospect at location navigation and engineering survey, be applied to the geodetic surveying of various grades simultaneously, control survey, road and various circuit setting-out, bathymetric surveying, crustal deformation survey, dam and building deformation monitoring, GIS application, engineering machinery control, precision agriculture etc. are the industry of high-precision requirement more, and its economic results in society are inestimable.
The GPS-RTK measuring system mainly comprises base station GPS receiver, rover station GPS receiver and data chainning three parts.At first the base station receiver receives all visual gps satellite signals continuously, and with the coordinate of survey station point, the pseudorange observed reading, carrier phase observation data, Satellite Tracking state etc. sends to rover station by the wireless data chain; Rover station is not only by the every data of data chainning reception from base station, but also gps satellite carrier phase data are gathered in simultaneous observation, and in real time base station and mobile observation data are carried out difference processing, find the solution the integer ambiguity of carrier phase, thereby obtain the high-precision three-dimensional coordinate figure of movement station.
Before RTK measures, we are erected at base station on the survey station point (known point or unknown point) earlier usually, and the centering of carrying out strictness flattens, measures the high operation of instrument, use handbook (with data line or bluetooth) to connect the base station main frame then, by handbook GPS software deactivation base station is set, if base station is erected on the known point, need to select known coordinate to start; If base station is erected on the unknown point, then need to obtain the coordinate deactivation base station of single-point location; After the base station startup is finished, base station GPS receiver receives all visual gps satellite signals continuously, and with the coordinate (coordinate when promptly starting) of survey station point, pseudorange observed reading, carrier phase observation data, Satellite Tracking state etc. sends to movement station by the wireless data chain.If the environment of locality, reference mark is bad or the reference mark is far away from surveying the district, set up just cumbersome for base station, not only instrument is bad sets up, also need the special messenger to keep an eye on, the survey crew of movement station must be used handbook deactivation base station receiver at every turn to base station, and the centering leveling, measures the instrument height, all there is personal error in these operations, directly mapping efficient and mapping precision are had a negative impact.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of simple in structure, need not to carry out handbook and connect setting, it is convenient to use, mapping efficient is higher, and can guarantee the self-starting base station of mapping precision and utilize it to carry out the method that GPS-RTK measures.
In order to realize above-mentioned purpose, the self-starting base station of the GPS of being used for real time dynamic measurement of the present invention has following formation:
This self-starting base station comprises processor module, gps signal receiver module, power module and input/output module, described processor module connects described gps signal receiver module, power module and input/output module respectively, and described power module connects described processor module, gps signal receiver module and input/output module respectively.
This is used for the self-starting base station of GPS real time dynamic measurement, and described input/output module comprises wireless signal transmitting unit and serial signal interface unit, and described wireless signal transmitting unit all is connected described processor unit with the serial signal interface unit.Described wireless signal transmitting unit comprises GPRS signal transceiver, CDMA signal transceiver and Bluetooth signal transceiver.
The present invention also provides a kind of method based on the self-starting of described self-starting base station realization base station, and described method may further comprise the steps:
(0) the GPS base station being set is the self-starting pattern;
(1) this self-starting base station is arranged at predeterminated position;
(2) restart this self-starting base station;
(3) the visual satellite of described gps signal receiver module search, and receive gps signal;
(4) this gps signal receiver module is sent to described processor module with the gps signal that is received;
(5) described processor module is realized the single-point location according to the gps signal that is received, and obtains the benchmark three-dimensional coordinate;
(6) described self-starting base station begins to send the reference point signal according to the benchmark three-dimensional coordinate that is obtained, and finishes the self-starting of this self-starting base station.
In the method for this base station self-starting, further comprising the steps of between described step (0) and (1):
(a) whether the setting of processor module judgment standard station self-starting parameter is correct, if, then enter step (1), if not, then enter step (b);
(b) whether processor module judgment standard station firmware supports the self-starting pattern, if, then enter step (d), if not, then enter step (c);
(c) base station connects outer computer or PDA by the input/output module data, carries out firmware upgrade, enters step (d) then;
(d) base station self-starting parameter is set, and enters step (1).
In the method for this base station self-starting, described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
The present invention also provides the method for utilizing described base station self-starting to realize the method for GPS real time dynamic measurement, and the method for described kinetic measurement is further comprising the steps of after the method for described base station self-starting:
(7) restart movement station, movement station is realized being connected with the data of self-starting base station by the input/output module of described self-starting base station;
(8) movement station receives respectively from the reference point signal of self-starting base station with from the gps signal of gps satellite;
(9) configuration movement station parameter;
(10) beginning GPS real time dynamic measurement.
In the method for this GPS real time dynamic measurement, described configuration movement station parameter specifically may further comprise the steps:
(11) messaging parameter of setting and self-starting base station;
(12) movement station is separated according to resolving to be fixed from self-starting base station signal and gps signal;
(13) replacement or point calibration transfer point coordinate;
(14) replacement or point calibration reference point coordinate.
In the method for this GPS real time dynamic measurement, described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
Adopt the self-starting base station of this invention and utilized it to carry out the method that GPS-RTK measures, after base station starts, by accepting gps signal, realize the single-point location, and obtain the benchmark three-dimensional coordinate, thereby removed handbook connection base station from and carried out base station startup and centering leveling, measure the high work of instrument, make the application mode of base station more easy, avoided the error that is produced in the manually-operated, guarantee the precision that GPS-RTK measures, improved mapping efficient.
Description of drawings
Fig. 1 is the functional module structure synoptic diagram that is used for the self-starting base station of GPS real time dynamic measurement provided by the present invention.
Fig. 2 is the flow chart of steps that realizes the method for base station self-starting based on described self-starting base station provided by the present invention.
The flow chart of steps based on base station firmware upgrade in the method for described self-starting base station realization base station self-starting that provides of the present invention is provided Fig. 3.
Fig. 4 is the flow chart of steps based on movement station actuating section in the method for described self-starting base station realization GPS real time dynamic measurement of the present invention.
Fig. 5 is the flow chart of steps based on configuration movement station parametric technique in the method for described self-starting base station realization GPS real time dynamic measurement of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1, a kind of embodiment for the self-starting base station that is used for the GPS real time dynamic measurement that provides of the present invention, described self-starting base station comprises processor module, gps signal receiver module, power module and input/output module, described processor module connects described gps signal receiver module, power module and input/output module respectively, and described power module connects described processor module, gps signal receiver module and input/output module respectively.Input/output module described in this embodiment comprises wireless signal transmitting unit and serial signal interface unit, and described wireless signal transmitting unit all is connected described processor unit with the serial signal interface unit.
A kind of preferred embodiment in, the described self-starting base station that is used for the GPS real time dynamic measurement, described wireless signal transmitting unit comprises GPRS signal transceiver, CDMA signal transceiver and Bluetooth signal transceiver.
As shown in Figure 2, be a kind of method based on the self-starting of described self-starting base station realization base station provided by the invention, described method may further comprise the steps:
(0) the self-starting base station being set is the self-starting pattern;
(1) this self-starting base station is arranged at predeterminated position;
(2) restart this self-starting base station;
(3) the visual satellite of described gps signal receiver module search, and receive gps signal;
(4) this gps signal receiver module is sent to described processor module with the gps signal that is received;
(5) described processor module is realized the single-point location according to the gps signal that is received, and obtains the benchmark three-dimensional coordinate;
(6) described self-starting base station begins to send the reference point signal according to the benchmark three-dimensional coordinate that is obtained, and finishes the self-starting of this self-starting base station.
In a kind of preferred implementation method, the method for described base station self-starting also comprises the step of base station firmware upgrade between step (0) and (1), and it specifically may further comprise the steps as shown in Figure 3:
(a) whether the setting of processor module judgment standard station self-starting parameter is correct, if, then enter step (1), if not, then enter step (b);
(b) whether processor module judgment standard station firmware supports the self-starting pattern, if, then enter step (d), if not, then enter step (c);
(c) base station connects outer computer or PDA by the input/output module data, carries out firmware upgrade, enters step (d) then;
(d) base station self-starting parameter is set, and enters step (1).
In further preferred embodiment, in the method for described base station self-starting, described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
The present invention also provides a kind of method of utilizing the method realization GPS real time dynamic measurement of described base station self-starting, the method of described kinetic measurement also comprises the step that movement station starts after the method step of described base station self-starting, wherein, the step of base station self-starting as shown in Figure 2, the step that movement station starts as shown in Figure 4, this method that realizes the GPS real time dynamic measurement is further comprising the steps of after base station self-starting step:
(7) restart movement station, movement station is realized being connected with the data of self-starting base station by the input/output module of described self-starting base station;
(8) movement station receives respectively from the reference point signal of self-starting base station with from the gps signal of gps satellite;
(9) configuration movement station parameter;
(10) beginning GPS real time dynamic measurement.
In another kind of preferred implementation, in the method for described GPS real time dynamic measurement, described configuration movement station parameter specifically may further comprise the steps:
(11) messaging parameter of setting and self-starting base station;
(12) movement station is separated according to resolving to be fixed from self-starting base station signal and gps signal;
(13) replacement or point calibration transfer point coordinate;
(14) replacement or point calibration reference point coordinate.
In further preferred embodiment, in the method for described GPS real time dynamic measurement, described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
In an application of the invention, support the self-starting operation, need upgrading to have the GPS receiver firmware of base station self-starting function for making base station; Except that self-starting base station function, firmware upgrade can make base station support multiple differential data form and communication pattern.Wherein, the differential data form of base station self-starting support comprises: CMR/CMR+/RTCM2/RTCM3/RTCA; Base station self-starting data communication mode comprises: Port1/Port2/CDMA/GPRS/port2+CDMA/GPRS.The software that is used for the setting of self-starting base station parameter comprises: 1, WinCE/Win Mobile platform GPS receiver is provided with software HcGPSset; 2, PC platform GPS receiver is provided with software HcLoader; 3, has the field operation Survey Software LandStar that resets local coordinate and point calibration function.
The self-starting base station is carried out firmware update be may further comprise the steps:
1, connects base station and PC computer with Serial Port Line;
2) operation base station firmware writes software, upgrades the base station firmware by prompting operation, makes base station have self-starting function;
3) adopt base station that software is set, base station self-starting parameter is set.After the PC computer adopted serial ports to connect base station, operation HcLoader.exe setting program carried out the parameter setting; The available serial ports of palm PC (PDA) also usable bluetooth is connected with base station, and move the GPSSet.exe setting program then and carry out the parameter setting,
The relative parameters setting of self-starting base station is as follows:
[the data way of output]: normal mode
[operation of receiver pattern]: self-starting base station
[self-starting data sending terminal mouth]: Port2+GPRS/CDMA or other options
[differential data form]: CMR/CMR+RTCM2/RTCM3/RTCA is optional
After confirming parameter, finish the parameter setting;
4) restarting base station comes into force the self-starting setting.
After base station is finished the self-starting firmware update and correlation parameter is set, promptly has self-starting function.Can begin to carry out setting up of base station this moment, the equipment that needs mainly comprises: tripod, radio station and antenna one cover or one of SIM card, power supply.Setting up the self-starting base station may further comprise the steps:
1) mobile SIM card is inserted in the base station GPS receiver;
2) base station is set up in selected spaciousness place;
3) start base station;
4) base station is searched gps satellite;
5) base station is realized the location and is begun to launch differential data;
Carry out the setting of movement station subsequently, may further comprise the steps substantially:
6) handbook connects the movement station configuration parameter;
7) movement station begins to receive the base station differential signal;
8) base station is reset or point calibration;
9) beginning real time dynamic measurement operation.
Adopt the self-starting base station of this invention and utilized it to carry out the method that GPS-RTK measures, after base station starts, by accepting gps signal, realize the single-point location, and obtain the benchmark three-dimensional coordinate, thereby removed handbook connection base station from and carried out base station startup and centering leveling, measure the high work of instrument, make the application mode of base station more easy, avoided the error that is produced in the manually-operated, guarantee the precision that GPS-RTK measures, improved mapping efficient.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. self-starting base station that is used for the GPS real time dynamic measurement, it is characterized in that, described self-starting base station comprises processor module, gps signal receiver module, power module and input/output module, described processor module connects described gps signal receiver module, power module and input/output module respectively, and described power module connects described processor module, gps signal receiver module and input/output module respectively.
2. the self-starting base station that is used for the GPS real time dynamic measurement according to claim 1, it is characterized in that, described input/output module comprises wireless signal transmitting unit and serial signal interface unit, and described wireless signal transmitting unit all is connected described processor unit with the serial signal interface unit.
3. the self-starting base station that is used for the GPS real time dynamic measurement according to claim 2 is characterized in that described wireless signal transmitting unit comprises GPRS signal transceiver, CDMA signal transceiver and Bluetooth signal transceiver.
4. realize the method for base station self-starting it is characterized in that described method may further comprise the steps based on the described self-starting base station of claim 1 for one kind:
(0) the GPS base station being set is the self-starting pattern;
(1) this self-starting base station is arranged at predeterminated position;
(2) restart this self-starting base station;
(3) the visual satellite of described gps signal receiver module search, and receive gps signal;
(4) this gps signal receiver module is sent to described processor module with the gps signal that is received;
(5) described processor module is realized the single-point location according to the gps signal that is received, and obtains the benchmark three-dimensional coordinate;
(6) described self-starting base station begins to send the reference point signal according to the benchmark three-dimensional coordinate that is obtained, and finishes the self-starting of this self-starting base station.
5. the method for base station self-starting according to claim 4 is characterized in that, and is further comprising the steps of between described step (0) and (1):
(a) whether the setting of processor module judgment standard station self-starting parameter is correct, if, then enter step (1), if not, then enter step (b);
(b) whether processor module judgment standard station firmware supports the self-starting pattern, if, then enter step (d), if not, then enter step (c);
(c) base station connects outer computer or PDA by the input/output module data, carries out firmware upgrade, enters step (d) then;
(d) base station self-starting parameter is set, and enters step (1).
6. according to the method for claim 4 or 5 described base station self-startings, it is characterized in that described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
7. a method of utilizing the described base station self-starting of claim 4 realizes the method for GPS real time dynamic measurement, it is characterized in that the method for described kinetic measurement is further comprising the steps of after the method for described base station self-starting:
(0) method of realization base station according to claim 4 self-starting starts base station;
(1) restart movement station, movement station is realized being connected with the data of self-starting base station by the input/output module of described self-starting base station;
(2) movement station receives respectively from the reference point signal of self-starting base station with from the gps signal of gps satellite;
(3) configuration movement station parameter;
(4) beginning GPS real time dynamic measurement.
8. the method for GPS real time dynamic measurement according to claim 7 is characterized in that, described configuration movement station parameter specifically may further comprise the steps:
(0) messaging parameter of setting and self-starting base station;
(1) movement station is separated according to resolving to be fixed from self-starting base station signal and gps signal;
(2) replacement or point calibration transfer point coordinate;
(3) replacement or point calibration reference point coordinate.
9. according to the method for claim 7 or 8 described GPS real time dynamic measurements, it is characterized in that described reference point signal comprises benchmark three-dimensional coordinate, pseudorange observed reading, carrier phase observation data and gps satellite tracking mode data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010520331 CN102012516A (en) | 2010-10-26 | 2010-10-26 | Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010520331 CN102012516A (en) | 2010-10-26 | 2010-10-26 | Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102012516A true CN102012516A (en) | 2011-04-13 |
Family
ID=43842745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010520331 Pending CN102012516A (en) | 2010-10-26 | 2010-10-26 | Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102012516A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721398A (en) * | 2012-02-29 | 2012-10-10 | 武汉苍穹数码仪器有限公司 | Multimode GNSS high-precision real-time deformation monitoring system |
| CN103353264A (en) * | 2013-07-17 | 2013-10-16 | 晋西工业集团有限责任公司 | Delayed fuse capable of igniting according to set height |
| CN103645482A (en) * | 2013-12-25 | 2014-03-19 | 上海华测导航技术有限公司 | Arbitrary point based set achievement method of GPS (Global Position System) real-time dynamic measurement of base station |
| CN106932801A (en) * | 2017-05-02 | 2017-07-07 | 南京嘉谷初成通信科技有限公司 | It is a kind of for the hand-held earth station of unmanned plane and surveying and drawing location method |
| CN107272024A (en) * | 2017-06-09 | 2017-10-20 | 南京航空航天大学 | A kind of base station distribution method of aircraft under high dynamic environment |
| CN111279221A (en) * | 2018-12-20 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Position calibration method and device for reference station |
| CN111337962A (en) * | 2020-03-26 | 2020-06-26 | 湖南科技大学 | RTK positioning system in thunder field detection |
| CN111373285A (en) * | 2018-11-30 | 2020-07-03 | 深圳市大疆创新科技有限公司 | Coordinate calibration method and device of RTK (real time kinematic) reference station and storage medium |
| CN111510866A (en) * | 2020-04-16 | 2020-08-07 | 腾讯科技（深圳）有限公司 | Positioning system, method and equipment |
| CN112965087A (en) * | 2021-04-25 | 2021-06-15 | 上海井融网络科技有限公司 | Data processing method for reference station, measuring system and RTK receiver |
| CN117169936A (en) * | 2023-09-18 | 2023-12-05 | 武汉非秒迅连科技有限公司 | Terminal positioning method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858615A (en) * | 2005-04-30 | 2006-11-08 | 深圳市因泰克计算机技术有限公司 | Single frequency GPS measuring device and its measuring positioning method |
| US20070085734A1 (en) * | 2005-10-14 | 2007-04-19 | Csi Wireless, Inc. | Portable reference station for local differential GPS corrections |
| CN201266237Y (en) * | 2008-08-26 | 2009-07-01 | 北京七维航测科技发展有限公司 | High precision GPS difference system |
| CN101587179A (en) * | 2009-05-04 | 2009-11-25 | 天津理工大学 | GPS receiver based on the ARM chip with differential speed measuring function |
-
2010
- 2010-10-26 CN CN 201010520331 patent/CN102012516A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858615A (en) * | 2005-04-30 | 2006-11-08 | 深圳市因泰克计算机技术有限公司 | Single frequency GPS measuring device and its measuring positioning method |
| US20070085734A1 (en) * | 2005-10-14 | 2007-04-19 | Csi Wireless, Inc. | Portable reference station for local differential GPS corrections |
| CN201266237Y (en) * | 2008-08-26 | 2009-07-01 | 北京七维航测科技发展有限公司 | High precision GPS difference system |
| CN101587179A (en) * | 2009-05-04 | 2009-11-25 | 天津理工大学 | GPS receiver based on the ARM chip with differential speed measuring function |
Non-Patent Citations (2)
| Title |
|---|
| 《北京航空航天大学学报》 20020228 丁胜昔等 《基于OEM的差分GPS基准站的设计》 第28卷, 第1期 * |
| 《铁路计算机应用》 20080831 纪欣等 《铁路集散站台货车调度***中移动终端的实现》 第17卷, 第8期 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721398A (en) * | 2012-02-29 | 2012-10-10 | 武汉苍穹数码仪器有限公司 | Multimode GNSS high-precision real-time deformation monitoring system |
| CN103353264A (en) * | 2013-07-17 | 2013-10-16 | 晋西工业集团有限责任公司 | Delayed fuse capable of igniting according to set height |
| CN103645482A (en) * | 2013-12-25 | 2014-03-19 | 上海华测导航技术有限公司 | Arbitrary point based set achievement method of GPS (Global Position System) real-time dynamic measurement of base station |
| CN106932801A (en) * | 2017-05-02 | 2017-07-07 | 南京嘉谷初成通信科技有限公司 | It is a kind of for the hand-held earth station of unmanned plane and surveying and drawing location method |
| CN107272024A (en) * | 2017-06-09 | 2017-10-20 | 南京航空航天大学 | A kind of base station distribution method of aircraft under high dynamic environment |
| CN111373285A (en) * | 2018-11-30 | 2020-07-03 | 深圳市大疆创新科技有限公司 | Coordinate calibration method and device of RTK (real time kinematic) reference station and storage medium |
| CN111279221A (en) * | 2018-12-20 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Position calibration method and device for reference station |
| CN111337962A (en) * | 2020-03-26 | 2020-06-26 | 湖南科技大学 | RTK positioning system in thunder field detection |
| CN111337962B (en) * | 2020-03-26 | 2024-06-11 | 湖南科技大学 | RTK positioning system in lightning field detection |
| CN111510866A (en) * | 2020-04-16 | 2020-08-07 | 腾讯科技（深圳）有限公司 | Positioning system, method and equipment |
| CN112965087A (en) * | 2021-04-25 | 2021-06-15 | 上海井融网络科技有限公司 | Data processing method for reference station, measuring system and RTK receiver |
| CN112965087B (en) * | 2021-04-25 | 2024-03-19 | 苏州天硕导航科技有限责任公司 | Data processing method, measuring system and RTK receiver for reference station |
| CN117169936A (en) * | 2023-09-18 | 2023-12-05 | 武汉非秒迅连科技有限公司 | Terminal positioning method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102012516A (en) | Self-starting reference station and method for performing global position system (GPS) real-time dynamic measurement | |
| CN102540228B (en) | A kind of single-frequency GPS high-precision point positioning system and method | |
| KR100721764B1 (en) | Total survey system equipped with unified gps and total station, and survey method using thereof | |
| KR101019717B1 (en) | Gps surveying system using a mobile phone | |
| CN101581774A (en) | High-precision point positioning method and system for global navigation satellite system (GNSS) | |
| CN100381835C (en) | Radio combined positioning method based on digital broadcasting-television signal | |
| CN106292698B (en) | Accurate operation method and system for plant protection unmanned aerial vehicle | |
| CN103562741A (en) | Differential correction system enhancement leverages roving receivers enabled for a non-GPS, secondary PN&T signal to characterize local errors | |
| CN105549057A (en) | Inertial auxiliary GPS/BDS fusion large-scale measurement device and method for quickly measuring land parcel | |
| CN103645482A (en) | Arbitrary point based set achievement method of GPS (Global Position System) real-time dynamic measurement of base station | |
| CN102565834A (en) | Single-frequency GPS (Global Positioning System) direction-finding system and direction-finding and positioning method thereof | |
| KR100750441B1 (en) | Positioning system, terminal unit, control method for terminal unit, and recording medium for computer-reading on which control program for terminal unit is recorded | |
| CN105182382A (en) | Centimeter-level positioning method of pseudo satellite | |
| CN109975849B (en) | Baseline vector determination method, server and computer storage medium | |
| CN111275757B (en) | Pseudo-satellite field simulation layout method based on DEM data processing | |
| KR100496814B1 (en) | Method for obtaining road coordinates information and producing digital map using gps measurement | |
| Semler et al. | Development of a low-cost centimetric GNSS positioning solution for Android applications | |
| CN111060941A (en) | High-precision positioning method and device in shielding environment | |
| CN113391263B (en) | Updating a radio map based on a radio fingerprint sequence | |
| CN102455187A (en) | Precision guiding device based on difference GPS technology | |
| JP2783924B2 (en) | Vehicle position detection device | |
| CN111076700B (en) | Self-positioning and orientation system and method based on vehicle-mounted theodolite | |
| CN104864888A (en) | Navigation device position modification method and device | |
| Manurung et al. | Development of GNSS receiver for mobile CORS with RTK correction services using cloud server | |
| CN115047506A (en) | Agricultural machinery combined navigation system based on GNSS-INS and vision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110413 |