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K G Balmain and J N Nkeng University of Toronto
S C Kuo and C G Roberts GTE Sylvanis
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amplitude angle antenna system aperture applications approximate axial axis azimuth band bandwidth beam beamwidth boresight calculated circularly polarized coaxial coefficients complex components computed conducting configuration constant corrugated coupling cylinder Department of Electrical dielectric diffraction dipole direction E-plane electric field Electrical Engineering electromagnetic Electronics elements error excitation experimental feed finite Fourier free space frequency function Gaussian beam geometry Green's function horn antenna IEEE IEEE Trans impedance incident field induced input integral equation inverse Laboratory lens linear loaded lobes matrix Maxwell's equations measured method method of moments Microwave mode numerical obtained offset paraboloid parameters phased array plane wave problem propagation radar radiation pattern radio radius radome ratio reflection reflector antennas region resonant satellite scan scattered field shown in Figure sidelobe signal simulated slot solution spline surface symmetric technique theory tion transmitting values vector voltage waveguide wavelength wire X-band