Device and method for drawing electronic map of difference global positioning system
A technology of satellite positioning system and electronic map, applied in directions such as road network navigators, can solve problems such as heavy workload and large traffic risks
Inactive Publication Date: 2016-08-24
孔兵
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Problems solved by technology
The current methods all need to use the satellite antenna in the differential positioning system to manually measure all the test points point by point, which is a huge workload, and because the current subject three is a field road test, there is a greater traffic risk in the process of surveying and mapping the test route
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[0022] The present invention combines the differential satellite positioning system with the video technology, the differential satellite positioning system implements the recording of vehicle trajectory, and the video technology implements the recording of all road image information in the process of vehicle driving, and the position of each point in the road image relative to the vehicle The location can be determined in advance, and the location information of each key point in the line can be measured through subsequent image processing technology, and electronic map drawing can be realized by connecting all key points in series.
[0023] figure 1 , 2 It is a schematic diagram of an embodiment of the present invention, including:
[0024] ●Differential base station, fixed at a specific location, real-time measurement of satellite signals, and output differential signals through the radio station;
[0025] ●The differential mobile station is composed of two differential s...
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The invention relates to a device for drawing an electronic map of a difference global positioning system. The device comprises a difference base station, a difference mobile station, a video capture system and a processor, wherein the difference base station is fixedly arranged on a specific position and is used for receiving a satellite signal and broadcasting current difference calibration information through a wireless communication mode; the difference mobile station is mounted on a vehicle, comprises at least one GNSS antenna (first GNSS antenna) and is used for receiving the satellite signal and the difference calibration information sent by the difference base station and is capable of realizing high-precision vehicle positioning; the video capture system is arranged on the vehicle and comprises at least one camera; the camera is used for collecting a road image in a running process of the vehicle in real time; the processor is arranged on the vehicle and is used for storing the vehicle positioning information acquired by the difference mobile station and the road image collected by the video capture system in real time.
Description
technical field [0001] The invention relates to an electronic map drawing device and method used in a differential satellite positioning system, and is especially suitable for the test electronic map drawing device and method of a driver examination and training system based on a differential satellite positioning system. Background technique [0002] The technology based on RTK (real-time carrier phase) satellite positioning can achieve cm-level positioning accuracy, and has been maturely applied in various outdoor real-time surveying and mapping fields. In the field of driver testing and training, compared with traditional infrared, magnetic induction and other technologies, this technology does not need to install a large number of sensors, the system is highly integrated, and is not affected by external environments such as weather. Therefore, electronic testing and training based on this technology The system is gradually becoming mainstream. [0003] Using this techno...
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IPC IPC(8): G01C21/32
Inventor 孔兵
Owner 孔兵