A new aspect on wedge diffraction: Hidden rays on the shadow boundary

Title
A new aspect on wedge diffraction: Hidden rays on the shadow boundary
Authors
김세윤
Keywords
diffraction; wedge; dielectric; 회절; 쐐기; 유전체
Issue Date
2009-10
Publisher
International Symposium on Antennas and Propagation' 2009
Citation
, 1199-1202
Abstract
In case of a perfectly conducting wedge, it was illustrated clearly that hidden rays played a key role on accounting the reflection on the shadow boundary. For an E-polarized diffraction by a composite wedge consisting of perfect conductor and lossy dielectric, the HRD diffraction coefficients were constructed by employing only the ray-tracing data and the edge condition. Compared to the PO solution, the HRD diffraction coefficients provide smooth transition behavior as εi increases from 0.1 to 100. And the accuracy of the HRD diffraction coefficients was assured by showing how closely the null-field condition is satisfied in the complementary region.
URI
http://pubs.kist.re.kr/handle/201004/36211
Appears in Collections:
KIST Publication > Conference Paper
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