Depending on the needs of your application you should to take into consideration the hardware capabilities, DGPS availability, and environmental factors when selecting a GPS system.
基于你应用程序的需要，在选择一个GPS系统的时候，需要考虑硬件的能力、DGPS的有效性和环境因素。
DGPS is used to effectively compensate for some errors in the GPS position solution, to improve its accuracy.
差分gps是一种十分有效的改进和提高GPS导航定位精度的方法。
Then, the troposphere pseudo-range remaining error (TDRE) of differential GPS (DGPS) is defined, its mathematical model is constructed, and the computer simulation of TDRE of DGPS is carried out.
定义了差分GPS（DGPS）的对流层伪距残差的概念，并建立了数学模型。 用计算机对DGPS的对流层伪距残差进行仿真。
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。
On the basis of above, the technique of differential GPS (DGPS) is gradually perfected.
并在此基础上逐步完善了差分gps技术(DGPS)。
In this context, a differential GPS (DGPS) positioning, carrier phase technology emerged and rapid development.
在此背景下，差分gps (DGPS)定位、载波相位等技术应运而生并飞速发展。
According to position model, GPS is divided into single-point positioning and DGPS.
依据定位方式，GPS定位可分为绝对定位和相对定位。
With IMU/DGPS system, it can process bundle adjustment successfully with less GCPs or even without GCPs with a GPS base station located in a certain scope.
由于配备IMU/DGPS系统，在一定的基站范围内可以在无控制或少量控制点的情况下进行空三平差，极大地减轻了摄影测量外业控制工作量，缩短了生产周期，提高了作业效率。
The process of developing a kind of field information collecting system based on PocketPC and DGPS or portable GPS was expounded.
介绍了一种基于掌上电脑和DGPS/背夹式GPS设备的农田信息采集系统的开发过程。
The process of developing a kind of field information collecting system based on PocketPC and DGPS or portable GPS was expounded.
介绍了一种基于掌上电脑和DGPS/背夹式GPS设备的农田信息采集系统的开发过程。
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