Vehicle navigation monitoring system
A vehicle navigation and monitoring system technology, applied in the field of centralized vehicle management and monitoring, can solve the problems of not supporting centralized platform management and inter-vehicle communication, and failing to meet the needs of drivers' navigation functions, so as to save time and cost, optimize driving routes, reduce The effect of wasting resources
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[0019] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
[0020] reference figure 1 As shown, the vehicle navigation monitoring system of this embodiment 1 includes a vehicle navigation terminal and a monitoring platform. The vehicle navigation terminal also includes a BD2 / GPS dual-mode antenna, a radio frequency / baseband module, a vehicle sensor module, a processing module, an operation display module, and GPRS Communication module and storage module. among them:
[0021] The BD2 / GPS dual-mode antenna is used to receive the B1 frequency satellite signal sent by the Beidou satellite navigation system and / or the L1 frequency satellite signal sent by the GPS satellite navigation system in real time.
[0022] The RF / baseband module is used to generate the corresponding navigation and positioning signal and the 1PPS timing signal used as the clock source according to the B1 frequency point satellite signal a...
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