Abstract
A plane wave is considered to be incident obliquely on a dielectric layer whose permittivity is a function of distance from the plane surface. The field distribution and the transmission coefficient are obtained from step-by-step numerical integration. Since the calculations are simple and repetitive, the technique is suitable for both manual and automatic calculations. The method has been used successfully for lossy and lossless layers with perpendicular and parallel polarization. Some of the calculated field distributions are presented graphically. Only ten steps are required in the numerical integration for a typical half-wave inhomogeneous radome wall to obtain results accurate to within one per cent.

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