Derivation of discrete Fourier transform components of a time de

Details Derivation of discrete Fourier transform components of a time de Derivation of discrete Fourier transform components of a time de

1976-07-19

1978-08-08

Gensler, Paul L.

Boots, shoes, and leggings

364726, 364825, G06F 738

Patent

active

041061039

ABSTRACT:
An automatic equalizer for calculating the equalization transfer function and applying same to equalize received signals. The initial calculation as well as the equalization proper are conducted entirely within the frequency domain. Overlapping moving window samplings are employed together with the discrete Fourier transformation and a sparse inverse discrete Fourier transformation to provide the equalized time domain output signals.

REFERENCES:
patent: 3581078 (1971-05-01), Robertson
patent: 3714566 (1973-01-01), Kang
patent: 3778606 (1973-12-01), Schmitt et al.
patent: 3803395 (1974-04-01), Quate
patent: 3851162 (1974-11-01), Munoz
patent: 3864632 (1975-02-01), Chang
patent: 3987292 (1976-10-01), Means
Oppenheim, Speech Spectrograms Using the Fast Fourier Transform, IEEE Spectrum, 8/70, pp. 57-62.

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