Digital correlator

Details Digital correlator Digital correlator

1976-11-19

1979-04-24

Morrison, Malcolm A.

Communications: electrical

Digital comparator systems

G06F 1534

Patent

active

041515110

ABSTRACT:
A digital correlator compares two digital words a plurality of times. Each time the second digital word is shifted by one additional bit with respect to the first digital word. The results of the various comparisons are stored. The stored results are then searched to find the location of the results indicating the greatest similarity between the bits of the first and second digital words. This location is indicative of the number of bits by which the second digital word is displaced with respect to the first digital word when greatest similarity occurs.

REFERENCES:
patent: 3346844 (1967-10-01), Scott et al.
patent: 3646333 (1972-02-01), Pryor, Jr.
patent: 3717756 (1973-02-01), Stitt
patent: 3725689 (1973-04-01), Kautz
patent: 3777133 (1973-12-01), Beck et al.
patent: 3961171 (1976-06-01), Freeman

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