recuperateur of the phase estimator and robust for signals affected in particular of phase jitter

摘要

The invention relates to a wedging device of the phase of a digital signal constituted by two digital components to be corrected defining, at each symbol time, two samples of a received signal, said device being intended to supply a regenerator of the base band signal by sampling and decision threshold, comprising a first locking device (31) of the phase controlled by a first integrator (37) of the phase error to a wide band, said first loop (31) being supplied by the input signal (30) of the device and providing a first estimate of the phase error (36), and a second auxiliary structure (32) of the phase lock controlled by means of reprocessing (38) of the first estimate of the phase error (36) generated by said first phase locked loop (31), and supplying an output signal is locked in phase supplied to a regenerator of the output (34) for the regeneration of the baseband signal, said second auxiliary structure of the phase lock (32) being supplied by the said input signal (30) of the device through the delay means (35).