MULTIPLE DIFFRACTION OF OBLIQUELY INCIDENT PLANE-WAVES BY A 3 PART IMPEDANCE PLANE


BUYUKAKSOY A., UZGOREN G.

RADIO SCIENCE, cilt.27, ss.917-927, 1992 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 27 Konu: 6
  • Basım Tarihi: 1992
  • Doi Numarası: 10.1029/92rs00851
  • Dergi Adı: RADIO SCIENCE
  • Sayfa Sayıları: ss.917-927

Özet

Uniform asymptotic high-frequency solution is developed for the diffraction of obliquely incident plane waves by a three-part impedance plane. The multiple interaction up to third order between the edges of the three-part impedance plane is obtained to-yield a uniform scattered field. The employed formulations are based on a spectral iteration techique consisting of taking the Fourier integral representation of the n.tuply diffracted field by one junction as the incident field for the two-part plane where the (n+1)th diffraction will occur. Upon using the field components normal to the three-part surface, the (n+1)th diffracted field is obtained through the solution of a pair uncoupled Wiener-Hopf equations. The contribution of the surface wave fields to the secondary as well as triply diffraction is included in the analysis.