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Computing the discrete-time 'analytic' signal via FFT

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1 Author(s)
S. L. Marple ; Orincon Corp., San Diego, CA, USA

Starting with a real-valued N-point discrete-time signal, frequency-domain algorithms are provided for computing (1) the complex-valued standard N-point discrete time 'analytic' signal of the same sample rate, (2) the complex-valued decimated N/2-point discrete-time 'analytic' signal of half the original sample rate, and (3) the complex-valued interpolated NM-point discrete-time 'analytic' signal of M times the original sample rate. Special adjustment of transform end points is shown to generate proper discrete-time 'analytic' signals.

Published in:

Signals, Systems & Computers, 1997. Conference Record of the Thirty-First Asilomar Conference on  (Volume:2 )

Date of Conference:

2-5 Nov. 1997