In order to realize the function of GPS monitoring system, there must be three elements: GPS positioning terminal, wireless communication transmission and monitoring system platform, which are ind...
57.0 E Xintian 703 07-12-03 07-12-03 105.5 E Asia 3S 08-07-12 08-04-02 64.2 E International 601 08-02-09 08-02-09 108.0 E Indonesia Telecom No. 1 08-07-08 08-05-17 66.0 E International 704 ...
The GPS module generally supports two modes: cold start and hot start (note: warm start is not discussed) Generally, the cold start time is much longer than the hot start time. Taking the signal ...
There are many kinds of GPS satellite receivers, which can be divided into geodesic, total station, timing, handheld and integrated types according to their models; It can be divided into vehicle ...
The rapid development of China's economy has put forward higher requirements for modern logistics industry, and promoting logistics informatization is the only way to develop modern logistics ...
The management of logistics transportation vehicles by logistics transportation companies is mainly to conduct real-time monitoring of the running status of vehicles on the way, timely understand ...
Through the China GPS logistics tracking and dispatching public platform, customer managers can monitor the location, running track, running speed, fuel consumption, driving distance and other asp...
GPS can provide navigation and positioning services for road, railway, air and sea transportation vehicles. It can be used for both military and civilian purposes, with both strategic role and com...
At the end of the 1950s, the former Soviet Union launched the first man-made earth satellite of mankind. American scientists discovered the phenomenon of Doppler frequency shift in their tracking ...