Correlator/convolver using a second shift register to rotate sam

Details Correlator/convolver using a second shift register to rotate sam Correlator/convolver using a second shift register to rotate sam

1977-12-22

1979-07-10

Gruber, Felix D.

Boots, shoes, and leggings

364604, 364824, G06F 1534

Patent

active

041610334

ABSTRACT:
Circular correlator/convolver for discrete sample signals having a first shift register to receive the sample signals in series and a second shift register to receive the sample signals, in parallel, from the first register to circulate these signals in the second register, and once each shfit period, to apply the n signals it is storing to a group of n multipliers, Each multiplier receives also a second signal which serves as a second operand and is multiplied with the signal received from the second shift register. The correlated/convolved values are produced in response to the product signals generated by the multipliers during the time a following group of sample signals is being read into the first shift register. The design is suitable for implementing with charge-coupled devices on a single substrate.

REFERENCES:
patent: 3670151 (1972-06-01), Lindsay et al.
patent: 3831013 (1974-08-01), Alsup et al.
patent: 3942035 (1976-03-01), Buss
patent: 3980873 (1976-09-01), Mattei
patent: 3987292 (1976-10-01), Means
patent: 3997973 (1976-12-01), Buss
patent: 4025772 (1977-05-01), Constant
Whatley et al.: Charge-Coupled Device Applications in Radar Signal Processings, NAECON-74 Record pp. 284-291.
Alsup et al.: Real Time Discrete Fourier Transforms Using Surface Acoustic Wave Devices, Proceedings IEEE Internat. Specialist Seminar on Component Performance and Systems: Application on Surface Acoustic Wave Devices, Aziewore Scotland, Sep. 1973 pp. 278-286.
Leon, et al.: Designers' Guide to Digital Filters, Part 4, Electronic Design News, Apr. 20, 1974 pp. 57-62.

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