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Theory of quasioptical antennas W V T Rusch A C Ludwig and W C Wong
Quasioptical antenna design and applications W V T Rusch T S Chu
Primary feed antennas A W Love A W Rudge and A D Olver
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admittance amplitude aperture aperture antennas approximately axis bandwidth beamwidth boresight calculated Cassegrain Cassegrain antenna circular coefﬁcients components conﬁguration conical coordinate cross-polar curves cylindrical deﬁned diameter dielectric diffraction dipole direction distribution E-plane edge efﬁciency electric ﬁeld electromagnetic element pattern endﬁre equations evaluation excitation factor far-ﬁeld feed ﬁeld ﬁrst focal Fourier frequency function gain geometry grating lobe ground plane H-plane horn IEEE IEEE Trans illumination impedance inﬁnite integral length lens linear main beam matrix measurements microstrip microstrip antenna Microwave mode mutual coupling near-ﬁeld offset reﬂector paraboloid parameters pattem phase error phase shifters phased array planar plane wave polarisation primary-feed probe propagation radiated ﬁeld radiation pattern range ratio rectangular reﬂections reflector reﬂector antennas region resonant scan angle Section shown in Fig sidelobe signal slot space speciﬁed subreﬂector surface symmetric taper technique test antenna vector VSWR waveguide wavelength zero