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北斗电离层模型在四川地区的应用精度分析

发表时间:2018-10-31  浏览量:52  下载量:8
全部作者: 文静,刘继州,贾杨
作者单位: 西南科技大学城市学院;河南经贸职业学院电子信息学院;绵阳市公安局科技信息通信支队
摘 要: 电离层延迟是全球卫星导航定位系统(global navigation satellite system,GNSS)应用最棘手的误差源。北斗系统(Beidou navigation satellite system,BDS)采用改进的Klobuchar模型为亚太地区北斗单频民用导航用户提供电离层时延误差修正服务。以2014年四川地区中国大陆构造环境监测网络(简称“陆态网”)三个GPS基准站提取的电离层总电子含量(total electron content,TEC)信息为参考,评估北斗广播电离层模型在四川地区的实际应用精度。结果表明,北斗电离层模型在四川地区的修正精度可达70.7%,优于GPS电离层模型4.3%左右。
关 键 词: 大地测量技术;北斗;GPS;电离层模型;精度分析
Title: Application precision analysis of the Beidou ionosphere model in Sichuan
Author: WEN Jing, LIU Jizhou, JIA Yang
Organization: City College, Southwest University of Science and Tehnology; School of Electronic Information, Henan Institude of Economics and Trade; Science and Technology Information and Communication Team of Mianyang Municipal Public Security Bureau
Abstract: Ionospheric delay is the most difficult source of error for global navigation satellite system (GNSS) and positioning system applications. The Beidou navigation satellite system (BDS) uses the improved Klobuchar model to provide ionospheric delay error correction services for Beidou single-frequency civil navigation users in the Asia-Pacific region. Based on total electron content (TEC) extracted from three GPS reference stations in 2014 China’s tectonic environment monitoring network, the practical application accuracy of Beidou ionosphere model in Sichuan area is evaluated. Results indicate that the correction accuracy of the Beidou ionosphere model in Sichuan area can reach 70.7%, it's about 4.3% superior to the GPS ionosphere model.
Key words: geodesy; Beidou; GPS; ionosphere model; precision analysis
发表期数: 2018年10月第20期
引用格式: 文静,刘继州,贾杨. 北斗电离层模型在四川地区的应用精度分析[J]. 中国科技论文在线精品论文,2018,11(20):2083-2089.
 
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