volume 50, issue 3, P669-677 2008
DOI: 10.1109/temc.2008.924396
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Abstract: The inverse Fourier transform of a complex-valued weighted exponential frequency-domain function is derived. A bounded causal frequency-domain transfer function can be approximated by a sum of exponential functions using numerical techniques such as the Prony's method or the matrix pencil method, which leads to the corresponding time-domain response through an exact inverse Fourier transform. The method is demonstrated in examples with given tabulated frequency-domain data for function interpolation and extra…

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