Low power parallel correlator for measuring correlation between

Details Low power parallel correlator for measuring correlation between Low power parallel correlator for measuring correlation between

1997-06-26

1999-04-20

Mai, Tan V.

Boots, shoes, and leggings

36472803, G06J 100, G06F 1715

Patent

active

058963049

ABSTRACT:
Correlation between a pair of digital signal segments is measured by apparatus including a plurality of multipliers. Each of the multipliers produces the product of a respective sample of each one of the signal segments. The outputs of a plurality of digital-to-analog (D/A) converters are coupled to a summer, while each respective one of the multipliers is coupled to the input of a respective one of the D/A converts. The summer produces an analog output signal equal to the sum of the analog output signals produced by the plurality of D/A converter.

REFERENCES:
patent: 4894842 (1990-01-01), Broekhoven et al.
patent: 4910752 (1990-03-01), Yester, Jr. et al.
patent: 4998111 (1991-03-01), Ma et al.
patent: 5420593 (1995-05-01), Niles
patent: 5712869 (1998-01-01), Lee et al.

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