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X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach

In order to study the radar signature of a tandem helicopter in the X-band, a dynamic analysis approach (DAA) is presented to determine its radar cross-section (RCS) under different influence factors. The basic passage time, rotation speed, observation angle, rotor disk inclination, fuselage attitud...

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Detalles Bibliográficos
Autores principales: Zhou, Zeyang, Huang, Jun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795192/
https://www.ncbi.nlm.nih.gov/pubmed/33401593
http://dx.doi.org/10.3390/s21010271
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author Zhou, Zeyang
Huang, Jun
author_facet Zhou, Zeyang
Huang, Jun
author_sort Zhou, Zeyang
collection PubMed
description In order to study the radar signature of a tandem helicopter in the X-band, a dynamic analysis approach (DAA) is presented to determine its radar cross-section (RCS) under different influence factors. The basic passage time, rotation speed, observation angle, rotor disk inclination, fuselage attitude angle and Doppler feature are studied and discussed in detail. The results show that the dynamic characteristics of the rotor RCS will bring significant changes to the peak and average values of the helicopter RCS. Within a given observation angle range, a larger elevation angle is undesirable for helicopter stealth. The inclination of the rotor disc will affect the many small peaks and local fluctuations of the helicopter RCS. The positively increased attitude angle will have an undesirable effect on the average RCS and dynamic characteristics of the helicopter. The DAA is feasible and effective for studying the radar cross-section of a tandem helicopter.
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spelling pubmed-77951922021-01-10 X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach Zhou, Zeyang Huang, Jun Sensors (Basel) Article In order to study the radar signature of a tandem helicopter in the X-band, a dynamic analysis approach (DAA) is presented to determine its radar cross-section (RCS) under different influence factors. The basic passage time, rotation speed, observation angle, rotor disk inclination, fuselage attitude angle and Doppler feature are studied and discussed in detail. The results show that the dynamic characteristics of the rotor RCS will bring significant changes to the peak and average values of the helicopter RCS. Within a given observation angle range, a larger elevation angle is undesirable for helicopter stealth. The inclination of the rotor disc will affect the many small peaks and local fluctuations of the helicopter RCS. The positively increased attitude angle will have an undesirable effect on the average RCS and dynamic characteristics of the helicopter. The DAA is feasible and effective for studying the radar cross-section of a tandem helicopter. MDPI 2021-01-03 /pmc/articles/PMC7795192/ /pubmed/33401593 http://dx.doi.org/10.3390/s21010271 Text en © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zhou, Zeyang
Huang, Jun
X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title_full X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title_fullStr X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title_full_unstemmed X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title_short X-Band Radar Cross-Section of Tandem Helicopter Based on Dynamic Analysis Approach
title_sort x-band radar cross-section of tandem helicopter based on dynamic analysis approach
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795192/
https://www.ncbi.nlm.nih.gov/pubmed/33401593
http://dx.doi.org/10.3390/s21010271
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AT huangjun xbandradarcrosssectionoftandemhelicopterbasedondynamicanalysisapproach