Atmosphere Refractive Error Correction Method Based on Ray Tracing Differential Form

Peipei WEI; Xiaoyan DU; Changyin JIANG

doi:10.11999/JEIT171131

Volume 40 Issue 8

Aug. 2018

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Peipei WEI, Xiaoyan DU, Changyin JIANG. Atmosphere Refractive Error Correction Method Based on Ray Tracing Differential Form[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1838-1846. doi: 10.11999/JEIT171131

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Peipei WEI, Xiaoyan DU, Changyin JIANG. Atmosphere Refractive Error Correction Method Based on Ray Tracing Differential Form[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1838-1846. doi: 10.11999/JEIT171131

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Atmosphere Refractive Error Correction Method Based on Ray Tracing Differential Form

doi: 10.11999/JEIT171131

1.
School of Information Systems Engineering, PLA Information Engineering University, Zhengzhou 450002, China
2.
Zhengzhou University, Zhengzhou 450002, China
3.
China Research of Institute of Radiowave Propagation, Xinxiang 453003, China

Received Date: 2017-12-04
Rev Recd Date: 2018-04-23

Available Online: 2018-06-07

Publish Date: 2018-08-01

Abstract

Abstract

Atmosphere refraction error is a main error factor to affect synchronization accuracy, tracing accuracy, navigation accuracy and positioning accuracy for various radio systems. On the basis of geometrical optics, the ray tracing method can precisely make this error correction. For the problem that traditional ray tracing method can not deal with the abnormal atmosphere, ray tracing differential form is derived and then a correction method suitable for arbitrary atmosphere is proposed. The tracing data from ground station are taken to test this method. In addition, the refractive error in evaporation duct is compared with that in standard atmosphere. The results show that the refractive error of radio wave trapped entirely in the duct has the biggest influence. The proposed method provides technique support for improving the measurement precision of radio system in arbitrary atmosphere.
- Atmosphere refractive error,
- Ray tracing,
- Ray tracing differential form,
- Arbitrary atmosphere environment

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References(26)

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