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유전체의 전자기 과도산란 해석을 위한 시간영역 결합 적분방정식 원문보기
Time Domain Combined Field Integral Equation for Transient Electromagnetic Scattering from Dielectric Objects

  • 저자

    김청수

  • 학위수여기관

    호서대학교 벤처전문대학원

  • 학위구분

    국내석사

  • 학과

    정보통신응용기술분야 전자파공학전공

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    32p.

  • 키워드

    유전체 전자기 과도산란 시간영역결합 적분방정식;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10040743&outLink=K  

  • 초록

    In this paper, we present a time domain combined field integral equation (TD-CFIE) formulation to analyze the transient electromagnetic response from three-dimensional dielectric objects. The solution method in this paper is based on the method of moments (MoM) that involves separate spatial and temporal testing procedures. A set of the RWG (Rao, Wilton, Glisson) functions is used for spatial expansion of the equivalent electric and magnetic current densities and a combination of RWG and its orthogonal component is used as spatial testing. We also investigate spatial testing procedures for the TD-CFIE to select the proper testing functions that are derived from the Laguerre polynomials. These basis functions are also used for temporal testing. Use of this temporal expansion function characterizing the time variable enables one to handle the time derivative terms in the integral equation and decouples the space-time continuum in an analytic fashion. Numerical results computed by the proposed formulation are presented and compared with the solutions of the frequency domain combined field integral equation.


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