Multifrequency signal receiving system

Details Multifrequency signal receiving system Multifrequency signal receiving system

1978-09-15

1980-07-08

Konick, Bernard

Boots, shoes, and leggings

364728, H04M 150, G01R 2302

Patent

active

042118972

ABSTRACT:
A multifrequency signal receiving system comprising a filter for whitening a received signal, a correlator for extracting partial autocorrelation coefficients from the output of the whitening filter, a prediction error analyzer for judging the presence or absence of the multifrequency signal by analyzing prediction analysis errors from the output of the whitening filter, and a control unit responsive to the output of the analyzer indicative of the presence of the multifrequency signal for determining the frequency included in the received signal using the partial autocorrelation coefficients thereby identifying that the received signal is the multifrequency signal.

REFERENCES:
patent: 3937899 (1976-02-01), Denenberg
patent: 4025730 (1977-05-01), Sawai
patent: 4100378 (1978-07-01), Claasen et al.

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