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电离层不规则结构对gps性能的影响
李婧华; 马冠一
2013
Source Publication空间科学学报
ISSN0254-6124
Volume33Issue:2Pages:158
Abstract电离层不规则结构的存在可引起无线电信号的幅度和相位发生随机起伏,这种电离层闪烁现象会影响全球定位系统(Global Positioning System,GPS)的性能,降低定位精度,严重时导致信号失锁.电离层不规则结构对GPS性能的影响涉及电离层物理、接收机设计和表征卫星几何分布的精度衰减因子(Dilution of Positioning,DOP)等多方面因素.本文通过对表征电离层不规则结构参数的分析,根据GPS接收机跟踪环路和闪烁信号模型,综合研究了电离层闪烁对GPS接收机载波跟踪环和码跟踪环跟踪误差的影响;结合实际观测,评述了电离层不规则结构对单频和双频GPS接收机定位性能的影响,在此基础上提出了有待深入研究的问题及具体建议.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/41911
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李婧华,马冠一. 电离层不规则结构对gps性能的影响[J]. 空间科学学报,2013,33(2):158.
APA 李婧华,&马冠一.(2013).电离层不规则结构对gps性能的影响.空间科学学报,33(2),158.
MLA 李婧华,et al."电离层不规则结构对gps性能的影响".空间科学学报 33.2(2013):158.
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