1 DGPS精密定位原理DGPS是差分全球定位系统(Differential Global Position System)，是在GPS的基础上利用差分技术使得用户能够从GPS全球定位技术中获得更高的定位精度。
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The efficiency of differential global position system (DGPS) a nd Kalman filter on improving GPS receiver's positioning accuracy are verified.
验证了DGPS和卡尔曼滤波器在提高GPS接收机定位精度方面的有效性。
In the operation of offshore engineering, the form of positioning measurement is transferred from radio positioning to differential global position system (GPS) gradually.
海上工程作业中定位测量已由原先的无线电定位逐步过渡到差分GPS定位。
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