The space segment consists of 24 satellites distributed on the 6 orbit. The height of the satellite track is 20200km, the inclination angle is 55 degrees, and the cycle is 12 hours. The orbital di...
It consists of a mobile phone and GPS, which means that it has both the communication function of the general mobile phone and the GPS function. It is easy for everyone to understand the function ...
According to the condition, the GPS module Sirf Star III accepts data at the output location, usually $ GPRMC streamlined data format data, including latitude, longitude purpose, speed (knot), mov...
All GPSs cannot receive satellites or signals indoors are very weak. Only the signal can only be received outdoors. This is the method of correcting the signal correctly in common sense: 1. Fixed...
At present, the function of electronic dogs in all GPS is the function of the navigation map, that is, the electronic dog map with an electronic dog in the machine. "Anti -Test Speed Radar is...
The vehicle monitoring structure consists of a three -layer network comprehensive regulatory system formed by the vehicle terminal, the transmission network and the monitoring center to provide fu...
Toyota Motors, KDDI, and Japan Navitime have developed a platform that can link mobile phones and vehicle navigation systems. The destination information that can be searched in advance can be sen...
The GPS positioning is to use the observation of the pseudo -distance, the star calendar, the satellite launch time of a satellite, and the time of observation time. At the same time, it must be k...
From 2004 GPS navigator was applied to the automotive field in my country, due to the convenience and practicality of GPS products, it was accepted and sought after by consumers in a short period ...
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