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In this paper modal analysis is employed to analyze the radiative properties of a truncated coaxial waveguide with a finite circular flange and a spherically stratified radome. By using the spherical mode expansion, free-space is considered as a waveguide, thus enablingmodal techniques to be applied for dealing with closed waveguides and radiative problems. The effect of the finite flange and hemispherical...
Spherical transmission lines provide the rigorous network representation of radiation problems. In this work, the generalized network formulation is applied to the problem of radiation from arrays of flange-mounted rectangular and elliptical waveguides covered with a spherically stratified dielectric layer. It is shown that, by expressing the field in the half-space in terms of spherical waves, the...
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