Array convolver/correlator

Details Array convolver/correlator Array convolver/correlator

1980-07-21

1982-08-31

Malzahn, David H.

Boots, shoes, and leggings

364728, G06G 719, G06F 1534

Patent

active

043475809

ABSTRACT:
An array convolver and/or correlator comprises first and second two-dimennal shift registers defined by N rows and M columns, corresponding columns, the first, the second, etc., of the two registers being aligned. N and M are generally in the range of 4 to 512. Data is capable of entering at least one of the left or right columns of each of the two shift registers. The data shifts downward to the bottom row in the first, upper, shift register and upward to the top row in the second, lower, shift register.
A plurality of M analog multipliers each has an input from corresponding, aligned columns of each of the two registers. An analog summer has M inputs, one from each of the multipliers. The output of the summer is a correlation or convolution, depending upon which specific columns the data enters.

REFERENCES:
patent: 3950635 (1976-04-01), Constant
patent: 3980873 (1976-09-01), Mattei
patent: 4103333 (1978-07-01), Poirier et al.
patent: 4156923 (1979-05-01), Lampe et al.
patent: 4161033 (1979-07-01), Martinson
patent: 4267580 (1981-05-01), Bond

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