Vehicle GPS positioning management system is mainly located by the vehicle GPS, and the vehicle is scheduled to manage and track the vehicle combined with the wireless communication system. Such as a global positioning alarm system for vehicles, police GPS command systems, etc. have been developed. It is used for urban bus scheduling management, the alarm and scheduling of vehicle and vessels in the landscape tourist area, and the scheduling and monitoring of vehicle and vessels from customs, public security, coastal defense and other departments. The main functions of the monitoring center are:

1. Data tracking function. Show the real -time position of the mobile vehicle in a chastity list. Such as the car number, longitude, speed, direction, time, date, etc.

The tracking function on the picture. Display the positioning information of the mobile vehicle on the background of the corresponding electronic ground (sea) map. The electronic ground (sea) diagram can be enlarged, reduced, restored, and switched. There are two receiving methods: normal receiving and random names. You can also provide the choice function of whether the vehicle running trajectory.

3. Simulation display function. Enter the computer and display the known target location information. Decision command function. Decision command commands communicate with mobile vehicles in a communication method. The communication method can be scheduled with text, code or voice, etc. to achieve scheduling command.

4. The main functions of the car part include:

(1) Positioning information sending function. The GPS receiver is located in real time and sent the positioning information to the monitoring center through the radio.

(2) Data display function. Show the real -time position of your own vehicle on the display unit. Such as longitude, latitude, speed, and direction.

(3) The receiving function of the scheduling command. Receive the monitoring center to dispatch the command command to display or emit voice on the display unit.

(4) Alarm function. Once an emergency occurs, the driver starts the alarm device, and the monitoring center immediately shows the information of the vehicle, the place of the accident, the vehicle personnel and other information.

5. Vehicle GPS positioning is a single -point dynamic navigation positioning. Its positioning accuracy is about 100m magnitude. In order to improve positioning accuracy, differential GPS technology can be used.

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