Simultaneous-delay correlator apparatus

Details Simultaneous-delay correlator apparatus Simultaneous-delay correlator apparatus

1987-12-28

1988-11-08

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333157, 333161, 333166, 364824, H01P 900, H01P 512, H03P 1500

Patent

active

047836407

ABSTRACT:
A correlator apparatus that simultaneously delays two time-varying input signals using just a single transmission line, with the signals being connected to opposite ends of the line. Directional couplers spaced along the transmission line extract delayed versions of the two input signals, for correlation by a bank of correlators, to produce a correlation envelope for the two signals. The apparatus is substantially less massive than prior apparatus of this kind and can be easily constructed and aligned.

REFERENCES:
patent: 3833867 (1974-09-01), Solie
patent: 4041419 (1977-08-01), Desormiere et al.
patent: 4207545 (1980-06-01), Grudkowski et al.
patent: 4291286 (1981-09-01), Wagner

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