Abstract:

A vehicle monitoring system is developed by the technologies of GPS,GPRS and JMF.The system implements GPS terminal data acquisition and timely shows the actual position of the vehicle in the electronic map.And it can real-time video monitor the trunk road traffic and analyze traffic flow.The realization of the main functions is given in detail.It can not only accurately locate the actual location of the vehicle,but also provides a detailed analysis of traffic flow for the vehicle management department and owners by monitoring,thus easing the traffic pressure with scientific vehicle management.

Key words: B S architecture;GPRS technology;GPS positioning;JMF technology