## Application of wedge diffraction to antenna theory, Volume 372 |

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antenna gain aperture admittance aperture edges backlobe regions calculated computation corner reflector coupling between antennas diffracted field diffracted wave diffraction techniques dimensions Doubly diffracted ray E-edges E-plane electric field equations exp[jkr field intensities field region finite formulation geometrical optics wave Geometrical Theory given in Eq ground plane guide width H-plane pattern higher order diffracted higher order terms horn walls incident field incident plane wave incident wave interactions minus sign modal current induced mode coupling observation point obtained from Eq order diffracted rays parallel parallel-plate waveguide plane wave diffraction plane wave incidence point Q polygonal cylinders principal-plane radar cross sections radiation pattern ray from edge RD2G receiving guide rectangular waveguide reflected rays reflection coefficient shadow boundary shown in Fig singly diffracted rays superposition TE0i TEoi mode Theory of Diffraction tion total field total higher order transmitting guide treated vB(r wave from edge waveguide walls wedge angles wedge diffraction wedge surface