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Path Bending Correction for Refraction Delay of Electromagnetic Waves
Mao W(冒蔚); Yang L(杨磊); Tie QX(铁琼仙)
发表期刊Chinese Astronomy and Astrophysics
2008-07
卷号32期号:3页码:335-341
DOI10.1016/j.chinastron.2008.07.010
产权排序第1完成单位
收录类别其他
关键词Astrometry
摘要Focusing on lowering the cut-off elevation in the neutral atmosphere refraction delay correction and on raising the accuracy of the correction, we derive the formulae for calculating the correction for the bending of the light path caused by atmospheric refraction. This is the sort of correction that is given after the principal term in theoretical models of neutral atmospheric refraction delay correction, but is often neglected because it is a small quantity. However, in practice, for a not too low elevation like 15°, this term reaches 1 cm order of magnitude and can not be neglected. Li Yan-xing et al. specially gave a derivation of this correction and a computational method by successive approximation and some calculated values. Yan Hao-jian also proposed a formula of direct calculation but his calculated result was more than 3 times smaller than that of Li Yan-xing, which shows that further study of this correction is called for. Here we give a simple, convenient and reliable formula for calculating the correction.
项目资助者the Provincial Foundation of Yunnan
语种英语
学科领域天文学
ISSN0275-1062
URL查看原文
归档日期2015-11-10
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9669
专题天体测量及应用研究组
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
推荐引用方式
GB/T 7714
Mao W,Yang L,Tie QX. Path Bending Correction for Refraction Delay of Electromagnetic Waves[J]. Chinese Astronomy and Astrophysics,2008,32(3):335-341.
APA Mao W,Yang L,&Tie QX.(2008).Path Bending Correction for Refraction Delay of Electromagnetic Waves.Chinese Astronomy and Astrophysics,32(3),335-341.
MLA Mao W,et al."Path Bending Correction for Refraction Delay of Electromagnetic Waves".Chinese Astronomy and Astrophysics 32.3(2008):335-341.
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