Correlator device

Details Correlator device Correlator device

1976-06-04

1977-05-24

Gruber, Felix D.

Registers

Transfer mechanism

Traveling pawl

23515053, 307232, 328134, G06F 1534

Patent

active

040257754

ABSTRACT:
The present invention relates to devices for correlating two phase-modulated signals, in order to determine the delay between said two signals. The signals are applied to phase detectors which receive one and the same local wave. One of the signals is delayed by a variable delay time. The phase values obtained are subtracted from one another. The result is then integrated in the complex plane for a given period of time. The variation of the variable delay permits to determine the correlation function and in particular, the position and the amplitude of the correlation peak.

REFERENCES:
patent: 3605017 (1971-09-01), Chertok et al.
patent: 3657659 (1972-04-01), Johnson
patent: 3719946 (1973-03-01), Sletten et al.
patent: 3821736 (1974-06-01), Kuck et al.
patent: 3875394 (1975-04-01), Shapely
patent: 3944938 (1976-03-01), Brouant

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