Open AccessElectromagnetic analysis for complex satellite targets using time-frequency representations
Author(s) -
Xu-Min Sun,
Yong Liang Guan
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1871/1/012070
Subject(s) - radar cross section , multipole expansion , scattering , radar , satellite , fourier transform , time–frequency analysis , transformation (genetics) , scale (ratio) , polarization (electrochemistry) , computer science , algorithm , computational physics , remote sensing , physics , optics , geology , mathematics , telecommunications , mathematical analysis , biochemistry , chemistry , quantum mechanics , astronomy , gene
An analytical method for electromagnetic scattering characteristics of complex satellite targets by using multilevel fast multipole algorithm (MLFMA) and short-time fourier transformation (STFT) is proposed in this paper. By constructing different electromagnetic models of satellite target with multi-scale structures and coatings, the aspect and polarization characteristics of radar cross section (RCS) and time-frequency representation (TFR) are studied. To validate the influence of the multi-scale structure and coating, the full-polarization RCS at specific angles, RCS statistical characteristics and TFR correlation are simulated and compared. It is concluded that the multi-scale structures and coating materials should be sufficiently considered to calculate the accurate scattering characteristics.