Vehicle GPS global satellite positioning system refers to the position positioning service for vehicles, personnel, etc. achieved using GPS satellites as positioning means. It relies on GPS global positioning satellites and ground network data transmission to monitor and manage vehicle positions through tracking and positioning of GPS locators. The positioning process can generally be divided into three parts:

　　1、 GPS satellite, GPRS ground network, GIS geographic information system

　　These three are the basic support for the positioning of car GPS positioning systems. GPS operating companies use GPS global positioning satellites in the United States to determine the position of GPS locators, and then transmit the obtained position information back through the GPRS data network and parse it onto the corresponding map service provider's map, obtaining the vehicle map position intuitively reflected by customers.

　　2、 GPS positioning system service platform

　　Generally, it includes the GPS server used by the operating company to store and process data, as well as the vehicle monitoring and management system used by customers. It is a complete platform software for GPS positioning system to achieve positioning.

　　3、 GPS locator equipment

　　A terminal device installed on a vehicle that needs to be located. On the one hand, it receives satellite signals to determine its position, and on the other hand, it sends location, status, and other information to the GPS positioning system server every fixed time period (such as 30 seconds).

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