Dual signal subharmonic carrier for systems with unknown delay

Details Dual signal subharmonic carrier for systems with unknown delay Dual signal subharmonic carrier for systems with unknown delay

1996-02-15

1998-07-28

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 36457101, 324202, 324601, 25022712, H04B 1000

Patent

active

057869227

ABSTRACT:
A system used with a system having a carrier delay to determine the phase of a signal before the delay and to recover the signal after the delay. Two signals at different frequencies are sent through the system having a carrier delay. One signal will be the signal that contains the phase information. The other signal is a reference signal to generate a reference for the first signal.

REFERENCES:
patent: 4419622 (1983-12-01), Cuneo, Jr. et al.
patent: 5062703 (1991-11-01), Wong et al.
patent: 5177488 (1993-01-01), Wang et al.

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