Properly designed phase-locked loops play a key role in deep-space communication links. The interrelationships among the loop band-width, acquisition time, and the loop signal-to-noise ratio are established for a given probability of acquisition. The Doppler rate tracking capability of the second-order loop is considered. The probability of time to lose lock is derived by the Fokker-Planck techniques. The results of the study are used to determine the loop bandwidth and the signal-to-noise ratio requirements of Venus and Jupiter probes' communication links.
Phase-Locked Loop Bandwidth and Signal-to-Noise-Ratio Requirements for Deep-Space Communications
IEEE Transactions on Aerospace and Electronic Systems ; AES-7 , 5 ; 988-994
01.09.1971
1168152 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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