Vehicle monitoring system based on GPS

The invention discloses a vehicle monitoring system based on a GPS. The vehicle monitoring system comprises a vehicle-mounted terminal device, a GPS device, a database and a customer relationship management device. The vehicle-mounted terminal device, the GPS device, the database and the customer relationship management device are connected in turn. The GPS device comprises a ground control device and space 24 satellite devices. The ground control device is connected with the space 24 satellite devices. The ground control device is provided with one master control station, three injection stations and five monitoring stations. The one master control station, the three injection stations and the five monitoring stations are connected. According to the vehicle monitoring system based on the GPS, the GPS device, the database and the customer relationship management device are combined to provide a spatial position of a vehicle in real time and provide semantic and non-semantic information of the vehicle and surrounding operation environment of the vehicle online, and comprehensively process spatial data from various sources. The vehicle monitoring system based on the GPS has advantages of being high in positioning accuracy, short in observation time, convenient in execution and operation, all-weather in operation and great in anti-interference performance.