Frequency searcher and frequency-locked data demodulator...

Details Frequency searcher and frequency-locked data demodulator... Frequency searcher and frequency-locked data demodulator...

H - Electricity

04

L

H04L 27/227 (2006.01) H03L 7/081 (2006.01) H04L 27/00 (2006.01) H04B 1/707 (2006.01)

Patent

CA 2435404

[0065] A searcher is centered on frequency bins to search for an incoming signal. The frequency locked loop generates an initial phase signal and a phase increment signal that are input to an accumulator. The accumulator accumulates the phase increments over a predetermined interval. After the interval, the accumulator generates a control signal that instructs a rotator to perform a phase rotation function.

La présente invention concerne un chercheur qui est centré sur des emplacements de fréquence, afin de rechercher un signal entrant. La boucle verrouillée en fréquence produit un signal de phase initiale et un signal de progression de phase, qui sont entrés au niveau d'un accumulateur. Ledit accumulateur accumule les progressions de phase sur un intervalle prédéfini. Après cet intervalle, l'accumulateur produit un signal de commande qui donne à un système rotatif l'instruction d'exécuter une fonction de rotation de phase.

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