SARC-FDTD Method for Electromagnetic Scattering by an Object Coated with Plasma

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2010, Vol. 27 ›› Issue (6): 877-882.

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SARC-FDTD Method for Electromagnetic Scattering by an Object Coated with Plasma

ZHANG Yuqiang¹, GE Debiao²

1. School of Physics & Electronic Information, Yan'an University, Yan'an 716000, China;
2. Department of Physics, Xidian University, Xi'an 710071, China

Received:2009-09-28 Revised:2010-01-28 Online:2010-11-25 Published:2010-11-25
Supported by:
Supported by the National Science Foundation of China (Grant No.60871071)

Abstract

Abstract: A novel finite-difference time-domain(FDTD) method combined with semi-analytical recursive convolution (SARC) algorithm in digital signal processing(DSP) techniques is presented to analyze electromagnetic scattering by dispersive media.Absolute stability,high accuracy,less storage and high effectiveness are retained while a unified update formulation is possessed.It can be applied to analysis of general dispersive media provided that the poles and corresponding coefficients in dispersive medium are given.Finally,the proposed SARC-FDTD approach is validated.RCS of an object coated with plasma are calculated.

Key words: finite difference time-domain, dispersive media, recursive convolution, plasma

CLC Number:

O451

ZHANG Yuqiang, GE Debiao. SARC-FDTD Method for Electromagnetic Scattering by an Object Coated with Plasma[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2010, 27(6): 877-882.

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SARC-FDTD Method for Electromagnetic Scattering by an Object Coated with Plasma

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