One of the main requirements coming from different clients is to add an "anti-theft alarm" function to our gps trackers, which will trigger the loud BEEP BEEP alarm whenever the motorcyc...
The simplicity of the operation of the car navigation system is the goal pursued by the designers. In fact, it also involves a safety problem, because drivers are not allowed to look at the electr...
The current vehicle navigation system includes two parts: global positioning system and vehicle automatic navigation system. Car navigation equipment is generally composed of GPS antenna, host int...
In fact, not only underground tunnels, but also many indoor spaces, such as urban rail transit and shopping malls, have no signal or extremely inaccurate positioning due to satellite signal drift,...
In 1994, the GPS system was basically completed, becoming a global shared spatial information resource and an important part of the spatial information system. Compared with other navigation and p...
GPS satellites. The space part of GPS consists of 24 satellites distributed in 6 equal interval orbits. The satellites are more than 20000 kilometers away from the earth. This distribution can ens...
1、 Space part The space part of GPS is composed of 24 satellites (21 working satellites and 3 standby satellites), which are located 20200km above the earth's surface and have an operation pe...
The difference between the GPS version and the cellular version is mainly in the function of wireless connection. The gps version refers to wireless access only through WiFi. The cellular version ...
This goes into detail. GPS can output real-time location data for other devices to use, which involves data exchange protocols. Almost all GPS receivers follow the specifications specified by the ...
The basic principle of GPS navigation system is to measure the distance between the known position of the satellite and the user's receiver, and then integrate the data of multiple satellites ...
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