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Analysis of Scattering Wave at the edge of the imperfect conductor structure

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2010, 5(1), pp.1-8
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : February 28, 2010

Seok-Hun Kim 1 Lee chan sub 2 Choi, Jae Yeon 3

1(주)파라곤베이스
2혜천대학교
3남서울대학교

Candidate

ABSTRACT

The analysis of the scattering wave fields by a two corner of imperfect conductor surfaces is computed. The arbitrary impedance surfaces, the corner angle are considered for the computation of the diffraction coefficients. the first, The diffraction coefficients for the first, second and third diffraction wave at the corner are derived. The approximation for the second-order and third-order diffracted fields has done using the extended spectral ray method and the modified Pauli-Clemmow method of the steepest descent. The Maliuzhinets function which is very difficult to obtain accurate value is approximated by the Volakis's asymptotic expression. Numerical computations are performed for the various corner angles and surface impedence values. Finally, computed results are examined and discussed.

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