The cylindrical Taylor-Interpolation FFT (TI-FFT) algorithm for the computation of the near-field and far-field in the "quasicylindrical" geometry has been developed. The cylindrical modal expansion of the vector potential is shown to be in the form that can make use of the cylindrical TI-FFT. The near-field on an arbitrary cylindrical surface is obtained from the vector potential and through the Inverse FFT (IFFT). The far-field is obtained through the Near-Field Far-Field (NF-FF) transform. The cylindrical TI-FFT is valuable for back-scattering problems and "quasi-cylindrical" geometry. Like the planar TI-FFT algorithm, the cylindrical TI-FFT algorithm also has advantages of a N2 log2 N2 computational complexity, a low sampling rate, no basis functions and free of singularity problems.
The Cylindrical Taylor-Interpolation FFT Algorithm
2006-09-01
1156408 byte
Conference paper
Electronic Resource
English
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