Digital convolver matched filter and correlator

Details Digital convolver matched filter and correlator Digital convolver matched filter and correlator

1975-07-11

1977-05-24

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

235181, G06F 752, G06F 1534

Patent

active

040257720

ABSTRACT:
A system for digital signal processing, including a random access memory (RAM) accessed by counters and used for storing and shifting signals in a convolver, correlator, matched filter or multiplier. An input signal and a reference signal are applied from opposite ends of the device such that the signals scan past each other at a relative velocity with respect to each other for obtaining either the convolution or correlation function of signals. The RAM operates as a shift register delay line and provides time scale inversion of signals when desired.

REFERENCES:
patent: 3303335 (1967-02-01), Pryor
patent: 3351943 (1967-11-01), Bush et al.
patent: 3670151 (1972-06-01), Lindsay et al.
patent: 3717756 (1973-02-01), Stitt
patent: 3760172 (1973-09-01), Quate
patent: 3774019 (1973-11-01), Cook
patent: 3777130 (1973-12-01), Croisier et al.
patent: 3831013 (1974-08-01), Alsup et al.

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