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Remote Sensing
Volume 14
Issue 11
10.3390/rs14112588
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Article

Experimental Analysis of Atmospheric Ducts and Navigation Radar Over-the-Horizon Detection

by
Li-Feng Huang
1,2,3,
Cheng-Guo Liu
3,4,*,
Hong-Guang Wang
2,
Qing-Lin Zhu
2,
Li-Jun Zhang
2,
Jie Han
2,5,
Yu-Sheng Zhang
2 and
Qian-Nan Wang
2
1
School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China
2
China Research Institute of Radiowave Propagation, Qingdao 266107, China
3
Hubei Engineering Research Center of RF-Microwave Technology and Application, Wuhan 430070, China
4
School of Science, Wuhan University of Technology, Wuhan 430070, China
5
School of Electronic Engineering, Xidian University, Xi’an 710071, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2022, 14(11), 2588; https://doi.org/10.3390/rs14112588
Submission received: 27 April 2022 / Revised: 23 May 2022 / Accepted: 26 May 2022 / Published: 27 May 2022
(This article belongs to the Special Issue Remote Sensing on Theoretical and Observational Issues in Atmospheric Sciences)
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Abstract

Since the height of sea detection radar antenna and ship targets is relatively low, it is generally believed that its over-the-horizon detection is mainly caused by the evaporation duct at sea. To fully understand the influence of atmospheric ducts on radar over-the-horizon detection, a shore-based navigation radar was used to carry out over-the-horizon detection experiments; radiosondes were used to measure the atmospheric profile and evaporation duct monitoring equipment was used to measure the evaporation duct. Based on experimental data and model simulation, a comparative analysis of a navigation radar’s over-the-horizon detection, the evaporation duct, and the lower atmospheric duct is presented in this study. The results show that the atmospheric duct can affect the signal propagation of the navigation radar, thus resulting in over-the-horizon detection. The long-range over-the-horizon detection of the navigation radar is caused by the strong lower atmospheric duct, while the evaporation duct can generally only form weak over-the-horizon detection, which is different from the general cognition.
Keywords: atmospheric ducts; navigation radar; over-the-horizon; atmospheric profile; propagation loss atmospheric ducts; navigation radar; over-the-horizon; atmospheric profile; propagation loss

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MDPI and ACS Style

Huang, L.-F.; Liu, C.-G.; Wang, H.-G.; Zhu, Q.-L.; Zhang, L.-J.; Han, J.; Zhang, Y.-S.; Wang, Q.-N. Experimental Analysis of Atmospheric Ducts and Navigation Radar Over-the-Horizon Detection. Remote Sens. 2022, 14, 2588. https://doi.org/10.3390/rs14112588

AMA Style

Huang L-F, Liu C-G, Wang H-G, Zhu Q-L, Zhang L-J, Han J, Zhang Y-S, Wang Q-N. Experimental Analysis of Atmospheric Ducts and Navigation Radar Over-the-Horizon Detection. Remote Sensing. 2022; 14(11):2588. https://doi.org/10.3390/rs14112588

Chicago/Turabian Style

Huang, Li-Feng, Cheng-Guo Liu, Hong-Guang Wang, Qing-Lin Zhu, Li-Jun Zhang, Jie Han, Yu-Sheng Zhang, and Qian-Nan Wang. 2022. "Experimental Analysis of Atmospheric Ducts and Navigation Radar Over-the-Horizon Detection" Remote Sensing 14, no. 11: 2588. https://doi.org/10.3390/rs14112588

APA Style

Huang, L.-F., Liu, C.-G., Wang, H.-G., Zhu, Q.-L., Zhang, L.-J., Han, J., Zhang, Y.-S., & Wang, Q.-N. (2022). Experimental Analysis of Atmospheric Ducts and Navigation Radar Over-the-Horizon Detection. Remote Sensing, 14(11), 2588. https://doi.org/10.3390/rs14112588

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