NASA NTRS · 19850000037
Synchronization for Optical PPM Signals
Abstract
Method based on statistical properties of weak pulse-positionmodulated (PPM) signal enables synchronization of receiver clock with received-signal time base. Method applies to weak optical M-ary PPM signals, for which there is only one pulse of length Tp transmitted during one of timeslots of length T in each successive interval of M timeslots. Method requires small dead time, Td, at beginning and end of each timeslot, during which pulse amplitude is zero.
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Vilnrotter, V. A.. 1985-06-01. Synchronization for Optical PPM Signals. https://ntrs.nasa.gov/citations/19850000037
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