Professional high-quality GPS tracker manufacturer from China. Cantrack delivers 16-year expertise in Fleet&Assets tracking. Real-time monitoring & anti-theft for vehicles, global assets.
P901 is the thinnest smart walkie-talkie with real time GPS tracking function.It can be used in any place with GSM signal regardless distance limitation.We've already tested one key push-to-talk N...
At present, the navigation positioning system used in the world is mainly the US GPS system. Europeans believe that this is not safe. In order to establish a civilian global navigation positioning...
Global Positioning System (GPS) is the abbreviation of word -abbreviations in English Global Positioning System. Its meaning is to use the navigation satellite for measurement and ranging to form ...
To describe the position of an object, there must be a related coordinate system. The location of the GPS receiver on the surface of the earth is relative to the earth. Therefore, to describe the ...
In the 1970s, Lu, Hai, and Air Force jointly developed a new generation of global positioning systems. The main purpose of GPS was to provide real -time, all -weather and global navigation service...
The main errors in GPS positioning are: star clock errors, relativity errors, earth rotation errors, ionization layers and stream layer errors. 1) Star clock error is formed by the error between t...
To get the position of the receiver, when the receiver clock clock and the GPS standard are strictly synchronized, the location is to be solved. The position is 3 unknown variables, and 3 independ...
1 GPS processor (GPSPU) It is an information system that is installed in the vehicle to continuously calculate the location of the vehicle. It has the characteristics of small size, not smooth su...
GPS is the abbreviation of GLOBLEPOSITIONGSYSTEM, which means a global positioning system. It is a huge universe and aerospace project that has been implemented by the US government for more than ...
System principle The vehicle system receives satellites (a total of 24 pieces, which runs on the 6 satellite orbit). Data from the coordinate position of the satellite itself per second can be pl...
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