A new aspect on wedge diffraction: Hidden rays on the shadow boundary
- A new aspect on wedge diffraction: Hidden rays on the shadow boundary
- diffraction; wedge; dielectric; 회절; 쐐기; 유전체
- Issue Date
- International Symposium on Antennas and Propagation' 2009
- , 1199-1202
- 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.
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