Over-The-Horizon Radar Target Tracking Based on Spatial Correlation Ionosphere Model

GUO Zhen; WANG Zengfu; LAN Hua; PAN Quan

doi:10.11999/JEIT201030

Volume 44 Issue 1

Jan. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(1): 354-362

GUO Zhen, WANG Zengfu, LAN Hua, PAN Quan. Over-The-Horizon Radar Target Tracking Based on Spatial Correlation Ionosphere Model[J]. Journal of Electronics & Information Technology, 2022, 44(1): 354-362. doi: 10.11999/JEIT201030

Citation:

GUO Zhen, WANG Zengfu, LAN Hua, PAN Quan. Over-The-Horizon Radar Target Tracking Based on Spatial Correlation Ionosphere Model[J]. Journal of Electronics & Information Technology, 2022, 44(1): 354-362. doi: 10.11999/JEIT201030

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Over-The-Horizon Radar Target Tracking Based on Spatial Correlation Ionosphere Model

doi: 10.11999/JEIT201030

1.
School of Automation, Northwestern Polytechnical University, Xi’an 710129, China
2.
Key Laboratory of Information Fusion Technology, Ministry of Education, Xi’an 710129, China

Funds: The National Natural Science Foundation of China (61873211, 61790552), The Natural Science Basic Research Plan in Shaanxi Province of China (2021JM-06)

Received Date: 2020-12-07
Rev Recd Date: 2021-05-27

Available Online: 2021-08-16

Publish Date: 2022-01-10

Abstract

Abstract

Skywave Over-The-Horizon Radar (OTHR) relies on the earth’s ionosphere which reflects its electromagnetic waves to achieve long range early warning of a variety of high-value targets. The model of ionosphere is the key factor for OTHR target tracking. Considering the spatial correlation of the Virtual Ionospheric Height (VIH) in different geographic locations, a new VIH model, represented by a Gaussian Markov Random Field (GMRF) and a new multipath target tracking method are proposed. Based on Bayesian estimation, the new method estimates jointly target state and VIHs under multipath and clutter environment. Given the limited measurements of the ionospheric subregions, the VIHs of the unmeasured subregions are inferred based on the GMRF model, thereby the precision of VIHs and the accuracy of the target tracking are improved. Numerical simulation shows that the accuracy of OTHR target tracking is improved.
- Over-The-Horizon Radar (OTHR),
- Ionospheric model,
- Target tracking,
- Gaussian Markov Random Field (GMRF),
- Spatial correlation

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References(24)

References

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