What is the main purpose of DGPS?
差分gps的主要目的是什么？
The research of cheap DGPS systems.
廉价差分GPS系统的研究。
A new DGPS method position DGPS is introduced in the paper.
介绍一种新的差分gps方法，既位置差分法。
DGPS based Automatic Vehicle Location (AVL) system is discussed.
讨论了一种基于DGPS的车辆定位系统。
A DGPS based Automatic Vehicle Location (AVL) system is discussed.
讨论了一种基于DGPS的车辆定位系统。
Under guiding of DGPS, picking up attribute information from graph.
在DGPS引导下可以从属性信息分布图上提取属性信息。
The positioning principle of underwater DGPS was introduced briefly in this paper.
本文简要介绍了差分水下GPS定位的原理。
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。
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)。
So the DGPS data formats and base station algorithm are the two important problems of DGPS system.
因此，GPS差分协议和差分电文的算法是差分系统必须考虑的两个问题。
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。
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。
First, it discusses the technical and economic feasibility for the shunting monitoring system to use DGPS technology.
首先，本文从技术和经济两方面论述了调车作业监测系统采用DGPS技术方案的可行性。
The direct measurement of exterior orientations using the integrated IMU/DGPS system proves to be an effective means.
利用IMU/DGPS组合导航技术，可以在航空摄影的同时直接获取像片的外方位元素。
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。
Several key problems are discussed in the paper, which occur in the data collection of the vehicle carried DGPS highway surveying.
本文讨论使用差分gps进行道路测量数据采集中遇到的几个重要问题。
The author proposed a tentative idea about forming the model of submarine terrain by the model of DGPS combining with Sonar system.
并提出用差分gps配合声纳测深进行动态连续定位，从而建立海底地形模型的设想。
Some opinions on the problems of digital transfer frequency met at the present in the imported DGPS of our country are raised in the paper.
就目前我国在引进DGPS中遇到的有关数传频率问题提出一些看法。
This paper presents a method of setting up a speed-reference during sea trial, which USES the DGPS and stabilized gyro compass onboard ship.
给出了一种海上试验时建立速度基准的方法，它是利用试验舰上已有的DGPS和平台罗经。
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。
This method will reduce the cost of target monitoring DGPS system, and simplify the target borne equipment to reduce the weight of the equipment.
使用位置差分法将减少目标位置监测系统的造价，使目标用户设备简单、造价低，而且重量轻（因为在军事上对于目标携带设备的重量要求往往很苛刻）
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。
It is proved by experiment that DGPS receiving machine has good application outcome and high positioning precision, most important reduces production cost.
系统的实验结果表明差分gps接收机应用效果好，定位精度高，最重要的是降低了产品的成本。
The control and actualize system of variable rate fertilization consist of DGPS, Field Computer, Hydraulic Motor, Ground Sensing Radar and fertilizer assembly.
变量施肥的控制实施系统包括差分gps系统、田间计算机、液压马达、测速雷达和排肥器总成。
A design technique of a Differential Global positioning System (DGPS) digital beacon receiver is presented which can be used to improve the positioning precision.
研究了一种可用于提高GPS定位精度的差分gps (DGPS)数字信标接收机的设计和研制技术。
The reference station needs to monitor and receive the high-accuracy navigation signal in the wide area DGPS, and to get more accuracy data of pseudo-range observation.
在GPS广域差分系统中，参考站需要进行高精度导航信号监测接收，并获得良好的伪距观测数据。
The system, by effectively integrating INS/DGPS, is not only with high positioning accuracy and working reliability, but also outputs real time and continuous information.
该系统通过综合技术将惯性导航系统与差分GPS有效组合，不仅定位精度高、工作可靠，而且输出信息实时、连续；
The mathematics model is closely studied of residual correction of the dynamic fixed average position and static fixed position of longitude and latitude of the RBN/DGPS customer.
探讨与研究了RBN／DGPS用户的静态定位经纬度残差与动态定位平均位置残差的校正数学模型。
The ways and means for the solution to the problems existing in the navigation system are proposed, and the DGPS technology and the method of matching the map are also introduced.
对导航服务中存在的问题提出了解决的途径，并介绍了伪距差分技术和地图匹配方法。
The ways and means for the solution to the problems existing in the navigation system are proposed, and the DGPS technology and the method of matching the map are also introduced.
对导航服务中存在的问题提出了解决的途径，并介绍了伪距差分技术和地图匹配方法。
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