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GPS掩星大气探测中弯曲角电离层残差仿真研究 被引量:1

Simulation Study of GPS Radio Occultation Bending Angle Residual Ionospheric Errors
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摘要 介绍GPS掩星技术在气候监测和数值天气预报中的应用及其电离层误差改正的研究现状。弯曲角双频线性组合电离层改正法是目前应用最广泛的掩星电离层误差改正方法,而对弯曲角电离层残余误差鲜有研究。本文用MSIS90大气模式和3D NeUoG电离层模式模拟背景大气,用射线追踪法初步仿真研究了弯曲角电离层残差。研究表明:弯曲角电离层残差随太阳活动强度增加而增大;北半球中纬度夏天午后掩星事件的弯曲角电离层残差可达到1.8μrad。
出处 《测绘通报》 CSCD 北大核心 2014年第8期10-13,共4页 Bulletin of Surveying and Mapping
基金 江苏高校优势学科建设工程资助项目 Australian Space Research Program 2(ASRP2) Australian Antarctic Science Grant Program(Project 4159)
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