Researching | Atmospheric Refraction Correction Method Based on Angular Intersection

Laser & Optoelectronics Progress, Volume. 57, Issue 13, 130102(2020)

Atmospheric Refraction Correction Method Based on Angular Intersection

Wentao Si^1、*, Weichao Wang¹, Guangfu Yuan¹, Junlian Cheng¹, and Weijie Wang²

Author Affiliations

¹95859 Army Unit PLA, Jiuquan, Gansu 735018, China

²Aerospace Engineering University, Beijing 101416, China

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Figures&Tables (7)

References (16)

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Figures & Tables(7)

$Refraction of light travels through different thin layers$

Fig. 1. Refraction of light travels through different thin layers

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Fig. 2. True path of light through the atmosphere

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Fig. 3. Schematic diagram of light propagation in a concentric thin layer of atmosphere

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Fig. 4. k changes with the apparent distance and pitch angle

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Fig. 5. Height errors corrected by the two methods

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Table 1. Measurement data of sounding balloon and refractive index

Table 1. Measurement data of sounding balloon and refractive index

Relative height /m	Air pressure /kPa	Temperature /℃	Refractive index
0	90.12	16.8	1.000243942836439
1000	79.84	5.1	1.000225208514923
2000	70.49	-3.9	1.000205484505760
3000	61.96	-8.6	1.000183829508321
4000	54.37	-16.0	1.000165955433852
5000	47.52	-23.7	1.000149526931408
6000	41.39	-29.9	1.000133559792267

Table 2. Mean and variance of height errors corrected by the two methods
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Table 2. Mean and variance of height errors corrected by the two methods
Method Mean of heighterror /m Mean-variance ofheight error /m
Angular intersectionmethod 0.4220 0.6839
Standard method 1.7429 0.7192

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Wentao Si, Weichao Wang, Guangfu Yuan, Junlian Cheng, Weijie Wang. Atmospheric Refraction Correction Method Based on Angular Intersection[J]. Laser & Optoelectronics Progress, 2020, 57(13): 130102

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Sep. 29, 2019

Accepted: Nov. 6, 2019

Published Online: Jul. 9, 2020

The Author Email: Wentao Si (578043544@qq.com)

DOI:10.3788/LOP57.130102

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology