Variance of phase error reduced. Report discusses application of "windowing" concept to improve ability of telemetry receiver to track phase of square-wave phase-modulation subcarrier signal. Concept based on setting phase-tracking signal at zero outside narrow time "windows", reducing noise energy in processed signal. Result is increase in signal-to-noise ratio in tracking loop with consequent increase in accuracy of tracking and reduction in number of errors in telemetric data.
Improved Tracking Of Square-Wave Subcarrier
NASA Tech Briefs ; 12 , 3
1988-03-01
Miscellaneous
No indication
English
Digital demodulation with data subcarrier tracking
NTRS | 1968
|Digital Demodulation with Data Subcarrier Tracking
NTIS | 1968
|Novel tracking loop of BOC signal based on subcarrier tracking
British Library Online Contents | 2011
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