The vehicle monitoring structure consists of a three -layer network comprehensive regulatory system formed by the vehicle terminal, the transmission network and the monitoring center to provide functions of vehicle anti -theft, anti -robbery, driving route monitoring, real -time wireless transmission of video images inside and outside the car , To solve the dynamic management of existing vehicles.

　　The vehicle monitoring uses a vehicle installation of the car video server with 3 to 4 cameras. The video server via EDGE/CDMA20001X/Wi-Fi network. The monitoring center can monitor and transmit real-time monitoring and transmission of images inside the vehicle. It also uses dual-order streaming technology. Local video uses D1 resolution. The network transmission uses CIF/QVGA/QCIF to distinguish the resolution Rate, realize local coding storage and remote storage.

　　The main composition of the vehicle monitoring system is divided into: vehicle terminal (vehicle video server), monitoring center, transmission network, etc.

　　The vehicle terminal is the front -end device of the vehicle monitoring management system. It is generally hidden in various vehicles. The vehicle terminal equipment is mainly composed of various external equipment such as car video server, LCD touch screen, external camera, calling handle, and automotive anti -theft device.

　　The car video server collects audio and video signals and compresses it into a digital stream. It is transmitted to the user monitoring center through wireless networks such as CDMA20001X to achieve the purpose of remote monitoring and emergency command. What the car video server requires dual -code flow at the same time, including local independent video code flow and network passage flow.

　　Users need to extract video surveillance data. There are two ways: one is to remotely retrieved through EV-DO (CDMA20001X, Wi-Fi) through the car terminal USB port.

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