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 ...
GPS satellite transmits carrier signals with two frequencies, namely L1 carrier with a frequency of 1575.42MHz and L2 carrier with a frequency of 1227.60Mhz. Their frequencies are 154 times and 12...
When the GPS positioning system terminal is used for vehicle positioning through hardware and software, it is called vehicle GPS positioning system. But the light has the positioning is not good e...
Vehicle tracking The actual position of the vehicle can be displayed in real time by GPS and electronic map, and can be arbitrarily enlarged, reduced, restored and changed. Can move with the targ...
The first Space Segment mainly consists of 24 satellites operating in semi-synchronous orbit. The so-called semi-synchronous orbit means that it takes about 12 hours (11 hours and 58 minutes) for ...
GPS chipsets for commercial use are generally composed of antennas, low noise amplifiers, front-end filters, RF IC, crystal oscillator, memory chip and fundamental frequency IC(with central proces...
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