Preprocessor for spectral pattern classification systems

Details Preprocessor for spectral pattern classification systems Preprocessor for spectral pattern classification systems

1984-07-02

1988-11-08

Cangialosi, Salvatore

Boots, shoes, and leggings

381 43, G01L 106, G06F 1534

Patent

active

047837543

ABSTRACT:
The signal to be classified is sampled and the samples are multiplied by weighting functions prior to performing discrete Fourier transforms, power calculations, and normalization thereon so that the preprocessor is essentially a plurality of channel bandpass filter stages, the k-th one of which has a frequency response approximating an ideal filter defined by ##EQU1## where k=O, .alpha., 2.alpha., 3.alpha., . . . , r.alpha.

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