In this paper,Centralization DGPS vehicle m onitoring system is designed and constructed.The algorithm ofcentralization differentialand Kalm an filterused in GPSposition differentialand vehicle positioning are studied and accom plished.And the tests ofsingle pointstationary positioning and vehicle m onitoring are also carried out.The tests show thatthe system used less hardware than those ofthe other differentialsystem s,and has greater perform ance-costratio and flexibility,its positioning precision ca...
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