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An efficient asymptotic extraction approach for the green's functions of conformal antennas in multilayered cylindrical media

By J. Wu, S.K. Khamas and G.G. Cook


Asymptotic expressions are derived for the dyadic Green's functions of antennas radiating in the presence of a multilayered cylinder, where analytic representation of the asymptotic expansion coefficients eliminates the computational cost of numerical evaluation. As a result, the asymptotic extraction technique has been applied only once for a large summation order $n$. In addition, the Hankel function singularity encountered for source and evaluation points at the same radius has been eliminated using analytical integration.\ud \u

Publisher: Institute of Electrical and Electronics Engineers
Year: 2010
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