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The spectral domain integral equation(SDIE) provides an accurate and efficient method for computing the resonant frequency, radiation patterns, etc . Using continuous Fourier transform, the formulation utilizes the singular integral equations via the Glerkin’s method to derive the deterministic equation with fewer mathematical manipulations. In contrast, discrete Fourier transform(DFT) requires intricate mathematical labor. The present scheme requires a small size, i.e ., (2×2) matrix, and it is possible to extract higher order modal solutions conveniently. Moreover, computation is reduced with the same convergence properties. Based on the present scheme, some results for resonant frequency and radiation patterns compared with available data and computed current distribution on the patch are presented.
The spectral domain integral equation (SDIE) provides an accurate and efficient method for computing the resonant frequency, radiation patterns, etc. Using continuous Fourier transform, the formulation utilizes the singular integral equations via the Glerkin’s method to derive the deterministic equation with fewer mathematical manipulations In contrast, discrete Fourier transform (DFT) requires intricate mathematical labor. The present scheme requires a small size, ie, (2 × 2) matrix, and it is possible to extract higher order modal solutions conveniently. Based on the present scheme, some results for resonant frequency and radiation patterns compared with available data and computed current distribution on the patch are presented.