2003•Systems engineering and electronicsRequires access

Two Dimension Anisotropic Coated Object RCS Computed by FDTD Algorithm

Hongxing Zheng

Abstract

The finite difference time domain (FDTD) algorithm for transverse anisotropic medium in two dimension is proposed. The results computed by FDTD are in good agreement with the one by plane wave expansion method. This algorithm is applied successfully to compute the radar cross sections (RCS) for a conducting object partially coated by anisotropic lossy material. The result demonstrates that an approproate anisotropic coating may efficiently reduce the RCS of a metallic object.

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Key concepts: Finite-difference time-domain method, Lossy compression, Anisotropy, Radar cross-section, Dimension (graph theory), Algorithm, Transverse plane, Plane (geometry)