Removing the gibbs phenomenon in fourier transform processing in

Details Removing the gibbs phenomenon in fourier transform processing in Removing the gibbs phenomenon in fourier transform processing in

1997-11-07

1999-06-29

Mai, Tan V.

Boots, shoes, and leggings

36472418, G06F 1500, G06F 1710

Patent

active

059177381

ABSTRACT:
A process for eliminating the Gibbs phenomenon in a train of digital signals when such signals are undergoing a discrete Fourier transform or a fast Fourier transform without using conventional windowing techniques wherein the train of digital signals is monitored and terminated when the last received or digital signal data point is equal to, or within a predetermined tolerance limit of, the first received digital signals so that the waveform of the train of digital signals reaches a complete periodicity within its length whereby no spurious frequency components will arise due to the Gibbs phenomenon. The process is shown as used in an all-purpose and multi-functioning digital filter.

REFERENCES:
patent: 5574674 (1996-11-01), Pan
patent: 5671168 (1997-09-01), Liu et al.

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