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oaioai:casi.ntrs.nasa.gov:19740002020

Method and apparatus for a single channel digital communications system

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1973
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Abstract

A method and apparatus are described for synchronizing a received PCM communications signal without requiring a separate synchronizing channel. The technique provides digital correlation of the received signal with a reference signal, first with its unmodulated subcarrier and then with a bit sync code modulated subcarrier, where the code sequence length is equal in duration to each data bit

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This paper was published in NASA Technical Reports Server.

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