RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar

Effectiveness verification of weapon equipment and the selection of stealth material are inseparable from target radar cross-section (RCS) measurement. For RCS characteristic analysis of sea surface small targets, a fishing vessel was measured using a shore-based ultra-high-frequency (UHF) band rada...

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Main Authors: Xiaoyun Xia, Xin Li, Penglang Shui, Yushi Zhang, Qingliang Li
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/16/2573
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author Xiaoyun Xia
Xin Li
Penglang Shui
Yushi Zhang
Qingliang Li
author_facet Xiaoyun Xia
Xin Li
Penglang Shui
Yushi Zhang
Qingliang Li
author_sort Xiaoyun Xia
collection DOAJ
description Effectiveness verification of weapon equipment and the selection of stealth material are inseparable from target radar cross-section (RCS) measurement. For RCS characteristic analysis of sea surface small targets, a fishing vessel was measured using a shore-based ultra-high-frequency (UHF) band radar. In this article, a full program of RCS measurement and characteristic analysis is presented, and three strategies are adopted to guarantee its high precision. For this, a scheme was designed for RCS dynamic measurement, along with the construction of a two-stage median filter to improve target positioning precision, and an RCS estimation procedure with sea clutter removal is elaborated upon, which increases RCS accuracy. Note that the test range satisfies the far-field criterion, and the multipath effect is modified by external calibration in our data. The measurement results reveal that the RCS level of the sea surface small target is sensitive to the aspect angle and wave height at a low grazing angle, but the RCS fluctuation characteristic is not. Therefore, the aspect angle and wave condition must be considered for sea surface small target detection, classification, or identification.
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spelling doaj.art-2b65e3ea21ad4b07bca1c64037e179e02023-12-01T23:38:29ZengMDPI AGElectronics2079-92922022-08-011116257310.3390/electronics11162573RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band RadarXiaoyun Xia0Xin Li1Penglang Shui2Yushi Zhang3Qingliang Li4National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, ChinaNational Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, ChinaNational Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, ChinaEffectiveness verification of weapon equipment and the selection of stealth material are inseparable from target radar cross-section (RCS) measurement. For RCS characteristic analysis of sea surface small targets, a fishing vessel was measured using a shore-based ultra-high-frequency (UHF) band radar. In this article, a full program of RCS measurement and characteristic analysis is presented, and three strategies are adopted to guarantee its high precision. For this, a scheme was designed for RCS dynamic measurement, along with the construction of a two-stage median filter to improve target positioning precision, and an RCS estimation procedure with sea clutter removal is elaborated upon, which increases RCS accuracy. Note that the test range satisfies the far-field criterion, and the multipath effect is modified by external calibration in our data. The measurement results reveal that the RCS level of the sea surface small target is sensitive to the aspect angle and wave height at a low grazing angle, but the RCS fluctuation characteristic is not. Therefore, the aspect angle and wave condition must be considered for sea surface small target detection, classification, or identification.https://www.mdpi.com/2079-9292/11/16/2573sea surface small targetRCS measurementRCS characteristicUHF-band radar
spellingShingle Xiaoyun Xia
Xin Li
Penglang Shui
Yushi Zhang
Qingliang Li
RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
Electronics
sea surface small target
RCS measurement
RCS characteristic
UHF-band radar
title RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
title_full RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
title_fullStr RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
title_full_unstemmed RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
title_short RCS Measurement and Characteristic Analysis of a Sea Surface Small Target with a Shore-Based UHF-Band Radar
title_sort rcs measurement and characteristic analysis of a sea surface small target with a shore based uhf band radar
topic sea surface small target
RCS measurement
RCS characteristic
UHF-band radar
url https://www.mdpi.com/2079-9292/11/16/2573
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