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On the surface wave diffraction by a wedge

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2 Author(s)
Chu, T. ; Bell Telephone Laboratories, Holmdel, NJ, USA ; Kouyoumjian, R.G.

In two earlier papers [1], [2] the diffraction of a surface wave by a fight-angle wedge was treated; one face of this wedge is perfectly conducting and the other is reactive. It was pointed out that the Kirchhoff theory of diffraction provides a useful approximation here. A readily calculable result has not been obtained for wedge angles other than90deg and 180deg, so the diffraction patterns for various wedge angles are calculated here by the Kirchhoff approximation and compared with some measured patterns of a wedge excited by a very narrow H-plane sectorial horn. Both the calculated and measured patterns show that in general the wedge angle has a relatively small effect on the diffraction pattern of a loosely bound surface wave, except when the wedge angle is close to180deg.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:13 ,  Issue: 1 )

Date of Publication:

Jan 1965

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