On the use of FFT in surface shaping of contoured beam antennas

08 Jul 2001

A comparison of the Fast Fourier Transform (FFT) and direct numerical integration to solve the PO integral is presented, with special emphasis on the achieved accuracy and the CPU time consumption. The concept of second order FFT is introduced. It is shown that the accuracy of FFT is not compatible with the accuracy requirements expected by analysis codes for satellite communication antennas.

Publication: 2001 IEEE AP-S Symposium
Place: Boston, Massachusetts, USA, 8-13 July, 2001

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