| 电磁环境对GNSS观测数据质量的影响 |
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| 引用本文： | 刘佳,陈远,黄林超,周永江,许超钤,刘虎.电磁环境对GNSS观测数据质量的影响[J].北京测绘,2021,35(2):148-151. |
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| 作者姓名： | 刘佳 陈远 黄林超 周永江 许超钤 刘虎 |
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| 作者单位： | 南方电网数字电网研究院有限公司,广东广州510700;武汉大学测绘学院,湖北武汉430079;山东省国土测绘院,山东济南250013 |
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| 摘 要： | 通过在35、110、220、500、800kV 5种不同电压等级的变电站开展全球卫星导航定位系统(GNSS)观测实验,从数据完整率、多路径、信噪比、观测值与周跳比4项指标对各测试站点的GNSS观测数据质量进行统计分析,研究不同电压等级下电磁环境对各GNSS系统观测数据质量的影响。结果表明:不同电压等级下电磁环境对各GNSS系统的观测数据质量无负影响,该结论为论证变电站建设GNSS连续运行参考站(CORS站)的可行性提供了一定的参考价值,促进了卫星导航定位技术在电力行业的应用。
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| 关 键 词： | 电压等级 电磁环境 全球卫星导航定位系统(GNSS)数据质量 基于GNSS连续运行参考站(CORS) 卫星数据预处理软件(TEQC) |
The Influence of Electromagnetic Environment on the Quality of GNSS Observation Data |
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| LIU Jia,CHEN Yuan,HUANG Linchao,ZHOU Yongjiang,XU Chaoqian,LIU Hu.The Influence of Electromagnetic Environment on the Quality of GNSS Observation Data[J].Beijing Surveying and Mapping,2021,35(2):148-151. |
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| Authors: | LIU Jia CHEN Yuan HUANG Linchao ZHOU Yongjiang XU Chaoqian LIU Hu |
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| Institution: | (Digital Grid Research Institute,China Southern Power Grid,Guangzhou Guangdong 510700,China;School of Geodsy and Geomatics,Wuhan University,Wuhan Hubei 430079,China;Shandong Institute of Land Surveying and Mapping,Jinan Shandong 350013,China) |
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| Abstract: | By conducting Global Navigation Satellite System(GNSS)observation experiments in substations on different voltage levels of 5,110,220,500 and 800 kV,it was analyzed the quality of GNSS data observation on each test station from four indicators of data integrity rate,multipath,signal to noise ratio,observation value and cycle slip ratio to discuss the influence of electromagnetic environment on the observation quality of GNSS data at different voltage levels.The results showed that the electromagnetic environment at different voltage levels had no negative impact on the quality of observation data of various GNSS systems.This conclusion provided a certain reference value for demonstrating the feasibility of constructing a GNSS Continuous Operation Reference Station(CORS)in the substation,and promoted the application of satellite navigation and positioning technology in the power industry. |
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| Keywords: | voltage level electromagnetic environment Global Navigation Satellite System(GNSS)data quality Continuously Operating Reference Stations(CORS) Translation Editing and Quality Checking(TEQC) |
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