The accuracy of GPS position depends on several factors. Due to changes in the propagation speed of GPS signals in the ionosphere, positional errors may occur; Radio reflection in the troposphere;...
GPS satellites continuously send different information through the RF frequency band. For example, satellites are equipped with extremely precise atomic clocks. GPS satellites send information abo...
GPS satellites broadcast radio frequency signals at two carrier frequencies; L1 (1575.42 MHz) and L2 (1227.60 MHz). The beams that can be used by the general public are encoded using C/A (rough/ac...
The vehicle GPS management system adopts GPS/Beidou positioning as the main means, which can grasp the real-time position, speed query, historical trajectory playback, mileage statistics, monitori...
There are two common client software products available to enterprise users, one is the C/S version of the client vehicle monitoring system, and the other is the B/S version of the client vehicle ...
The customer has a local database, which facilitates the management of user information and the generation of business reports. Using our company's online map service, we can use national ele...
There are two types of client software products for general GPS vehicle monitoring users, and enterprise users generally have three GPS positioning system construction solutions: 1、 Provide a C/S...
In the process of automobile production companies selling new cars to managing customers and agents nationwide, the management of new cars and drivers for distribution is one of the important link...
The concept of GPS originated from the space race during the Cold War, when scientists tracked the position of satellites through changes in the "Doppler effect" of radio signals. The ...
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