Coupling Scattering Characteristic Analysis of Dihedral Corner Reflectors in SAR Images | Zendy

Zhiming Xu | Zendy; Xiaofeng Ai | Zendy; Qihua Wu | Zendy; Feng Zhao | Zendy; Shunping Xiao | Zendy

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Coupling Scattering Characteristic Analysis of Dihedral Corner Reflectors in SAR Images

Author(s) -

Zhiming Xu,

Xiaofeng Ai,

Qihua Wu,

Feng Zhao,

Shunping Xiao

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2885566

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

The scattering mechanisms of dihedral corner reflectors have attracted great attention in the past decades. However, the scattering centers of dihedral corners are not discussed systematically. In this paper, the multi-bouncing scattering mechanism of dihedral corners is analyzed in detail based on the scattering characteristics of polygon plates and ray-tracing technique. Furthermore, the coupling scattering center (CSC) is proposed as a detailed explanation of the multi-bouncing scattering mechanism of dihedral corners and the locations of CSCs in the high-resolution range profile are deduced based on the monostatic-and-bistatic equivalence theorem. CSCs give a precise description of target structures and can improve the ability of radar target recognition. Finally, the simulation results via electromagnetic computation validate the theoretical analysis.

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