Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1987-02-12
1989-06-06
Safourek, Benedict V.
Pulse or digital communications
Spread spectrum
Direct sequence
375 94, 375 96, 328 72, 307269, H04L 708
Patent
active
RE0329452
ABSTRACT:
A digital signal synchronization system including a digital signal source for supplying an input digital signal, and a plurality of substantially identical integrating circuits, each connected to the digital signal source for integrating the signal for a predetermined time. A plurality of clock sources are also provided, each connected to a corresponding one of the integrating circuits, so that each integrating circuit begins integrating the digital signal at a different time. Decision circuits are connected to the output of each of the integrating circuits for electing one of the integrating circuits according to a predetermined criteria.
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McBride et al., "Optimum Estimation of Bit Synchronization" IEEE Transaction on Aerospace and Electronic Systems vol. AES-5 No. 3 pp. 525-536, May 1969.
Arthur David J.
Chin Stephen
Hamann H. Fredrick
Montanye George A.
Rockwell International Corporation
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