Modeling of Camouflage Grass and the Calculation of its Electromagnetic Scattering Characteristics

Wentao He; Xiaolong Weng; Wei Luo; Haiyan Chen; Xueyu Wu; Kai Li; Yan Huang; Beiping Liu

doi:10.1109/ACCESS.2020.2977771

IEEE Access (Jan 2020)

Modeling of Camouflage Grass and the Calculation of its Electromagnetic Scattering Characteristics

Wentao He,
Xiaolong Weng,
Wei Luo,
Haiyan Chen,
Xueyu Wu,
Kai Li,
Yan Huang,
Beiping Liu

Affiliations

Wentao He: National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Xiaolong Weng: National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Wei Luo: ORCiD; National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Haiyan Chen: National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Xueyu Wu: National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Kai Li: National Engineering Research Center of Electromagnetic Radiation Control Materials, Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yan Huang: Sichuan Wisepride Industry Company, Ltd., Chengdu, China
Beiping Liu: Sichuan Wisepride Industry Company, Ltd., Chengdu, China

DOI: https://doi.org/10.1109/ACCESS.2020.2977771
Journal volume & issue: Vol. 8
pp. 45033 – 45040

Abstract

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In this work, the complex electromagnetic model of a camouflage grass was accurately generated in geometry, of which the grass leaves were represented by lathy curved rectangular metal surfaces. To investigate the electromagnetic scattering characteristics of the camouflage grass model in the radar band, its radar cross section (RCS) from 4 GHz to 18 GHz was calculated by multilevel fast multipole method (MLFMM). For validation, the camouflage grass sample was manufactured and measured. A relatively good agreement was observed between the results of the calculation and the measurement. Based on this modeling and calculation method, the electromagnetic scattering characteristics of camouflage grass with different leaf lengths, widths, and densities were investigated. According to the numerical results of the application examples, the electromagnetic scattering characteristics changed regularly with the variation of the leaf parameters, and these results were analyzed by electromagnetic wave scattering and phase cancellation. This model will help with the radar camouflage experimental design and electromagnetic scattering investigation of camouflage grass.

Published in IEEE Access

ISSN: 2169-3536 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering
Website: https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=6287639

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