Quality Check and Analysis of BeiDou and GPS Observation Data in the Experiment of Air-Gun in Reservoir

2017 IEEE 4th International Conference on Cyber Security and Cloud Computing (CSCloud) Pub Date : 2017-06-01 DOI:10.1109/CSCloud.2017.29

Ming-Quan Hong, Wen Zhao, Guang Chen, Chaoxian Chen, Ziliang Wang

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引用次数: 2

Abstract

The next few years promises drastic improvements to global navigation satellite systems. USA is modernizing GPS, Russia is GLONASS, Europe is moving ahead with its own Galileo System, and China is expanding its BeiDou system from a regional navigation system to a full constellation global navigation satellite system known as BeiDou-2/Compass. Chinese BeiDou satellite navigation system constellation currently consists of twenty-six BeiDou satellites and can provide services of navigation and positioning in the Asia-Pacific Region. In this paper, we calculate the high frequency data of GPS and BeiDou by using the broadcast ephemeris, and the results are applied to the real-time positioning of the float platform in the experiment of Air-Gun in reservoir. We use the data to analyze the quality by multipath effect, signal noise ratio, positioning accuracy and so on. The results show that the accuracy of the BeiDou is slightly lower than that of GPS. The accuracy of GPS in horizontal direction is about 5 mm and that of vertical direction is about 12 mm, and the accuracy of BeiDou in horizontal direction is about 5.5 mm and that of vertical direction is about 16 mm.

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水库气枪试验中北斗与GPS观测数据的质量检验与分析

未来几年，全球卫星导航系统有望得到大幅改进。美国正在对GPS进行现代化改造，俄罗斯是GLONASS，欧洲正在推进自己的伽利略系统，中国正在将其北斗系统从区域导航系统扩展到全星座全球导航卫星系统，即北斗2号/指南针。中国北斗卫星导航系统星座目前由26颗北斗卫星组成，可在亚太地区提供导航定位服务。本文利用广播星历对GPS和北斗的高频数据进行了计算，并将计算结果应用于气枪在水库实验中浮子平台的实时定位。利用这些数据从多径效应、信噪比、定位精度等方面进行了质量分析。结果表明，北斗定位精度略低于GPS定位精度。GPS在水平方向的精度约为5mm，垂直方向的精度约为12mm，北斗在水平方向的精度约为5.5 mm，垂直方向的精度约为16mm。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE 4th International Conference on Cyber Security and Cloud Computing (CSCloud)

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