The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Polarimetric Analysis of the Electromagnetic Waves Scattered from Random Surfaces-Full Wave Solutions

랜덤 표면으로부터 산란되는 전자파의 편파적 해석

  • Lee, Bom-Son (Dept.of Radio Scienc & Engineering, Kyunghee Univ.)
  • Published : 1997.06.01
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Abstract

In this work, the electromagnetic waves scattered from 2-dimensional random rough surfaces are characterized by the $4\times4$ Mueller matrix elements. The full wave solutions are used to compute these elements. The results of the full wave solutions for 1-dimensional random rough surfaces were shown to agree well with those of the experiment and the method of moments. The Mueller matrix elements are related to the like and cross polarized radar cross sections as well as to the relative phase of the vertically and horizontally polarized waves. The $4\times4$ Mueller matrix elements completely characterize electromagnetic scattering from target. The computed results of this paper can be useful to the field of active remote sensing or RCS.

본 논문에서는 랜덤적 성질을 갖는 2차 표변으로부터 산란되는 전자파를 $4\times4$ Mueller 행렬 요소를 이용하여 특성화 한다. 이러한 요소 계산에는 Full wave solution이 사용되는데 이해를 이용한 계산 결과는 1차 표변에 대하여 실험 결과 및 모멘트 법을 이용한 결과와 잘 일치하는 것으로 이미 발표된 바 있다. Mueller 행렬 요소는 Like-Pol과 Cross-Pol RCS에 대한 정보를 포함할 뿐 아니라 입사파와 산란파의 수직, 수평 펀파 위상차에 대한 정보도 포함하고 있기 때문에 목표물로부터 산란되는 전자파를 완전하게 특성화 한다. 이 논문의 계산 결과들은 능동 원격탐사나 RCS 분야에 유용하리라 생각한다.

Keywords

References

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