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Beam scattering by a right-angled impedance wedge

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2 Author(s)
Cheung, H.D. ; Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada ; Jull, E.V.

Following earlier developments, a uniform asymptotic solution for two-dimensional high frequency scattering by a right-angled impedance wedge is presented. The wedge supports surface waves on both faces and numerical examples show the relative significance of these surface waves for different surface parameters, source directivities and positions of source and receiver. Surface parameters extracted from experimental data for buildings are used to show that for near grazing incidence surface waves can have a very significant effect along the direction of specular reflection even in the far field. These results should be important in urban propagation modeling.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:52 ,  Issue: 2 )

Date of Publication:

Feb. 2004

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