Sliding correlator for nanosecond pulses

Details Sliding correlator for nanosecond pulses Sliding correlator for nanosecond pulses

1990-01-25

1996-06-04

Cain, David C.

Communications: directive radio wave systems and devices (e.g.,

Transmission through media other than air or free space

342189, 364823, 36472801, 364604, G01S 1300

Patent

active

055237584

ABSTRACT:
A digital sliding correlator having means for producing a series of time-shifted stored copies of a digital character, means responsive to said shifted, stored copies of the character for multiplying said shifted, stored copies by the input signal or the sign-inverted counterpart of the input signal, a first set of integrators and a second set of integrators, means for supplying to the first set of integrators first portions of said multiplied signals and for supplying to said second set of integrators second portions of said multiplied signals, and means for combining the outputs of said integrators.

REFERENCES:
patent: 4400790 (1983-08-01), Chambers et al.
patent: 4813006 (1989-03-01), Burns et al.
patent: 4907001 (1990-03-01), Harmuth
Dr. J. Eldon; "A ZoMHz Single Chip Digital Correlator"; Electronic Engineering; Mar. 1981; pp. 41-50.
H. C. Goodrich et al.; "Analog to Digital (Rolling Sample) Correlator"; RCA Technical Notes; TN No. 893; Jul. 8, 1971; pp. 1-3.

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