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1. 发明授权

US5943380A Robust phase estimator and recoverer for digital signals affected in particular by phase jitter 失效
标题翻译：对于特别受相位抖动影响的数字信号的稳健相位估计器和恢复器
公开(公告)号：US5943380A
公开(公告)日：1999-08-24
申请号：US829511
申请日：1997-03-28
申请人： Rossano Marchesani , Pierre Roux , Gilles de Villenaut
发明人： Rossano Marchesani , Pierre Roux , Gilles de Villenaut
IPC分类号： H04L27/00 , H04L27/227 , H03D3/24
CPC分类号： H04L27/2273 , H04L2027/0044 , H04L2027/0067
摘要： The invention relates to apparatus for synchronizing the phase of a digital signal constituted by two digital components to be corrected defining two samples of a received signal at each symbol time, said apparatus serving to feed a regenerator for regenerating the signal in baseband by sampling and threshold decision-taking, said apparatus including: a first phase-locked loop (31) driven by a first broadband phase-error integrator (37), said first loop (31) being fed with the input signal (30) of the apparatus, and supplying a first phase error estimate (36); and an auxiliary second phase-locked structure (32) driven by re-processing means (38) for re-processing said first phase error estimate (36) established by said first phase-locked loop (31), and outputting a phase synchronized signal fed to an output regenerator (34) for regenerating the signal in baseband; said auxiliary second phase-locked structure (32) being fed with said input signal (30) of the apparatus via delay means (35).
摘要翻译：本发明涉及用于在每个符号时间同步由要被校正的两个数字分量的数字信号的相位定义两个采样的接收信号的装置，所述装置用于馈送再生器，用于通过采样和阈值再现基带中的信号所述装置包括：由第一宽带相位误差积分器（37）驱动的第一锁相环（31），所述第一环路（31）馈送设备的输入信号（30），以及提供第一相位误差估计（36）; 以及由再处理装置（38）驱动的辅助第二锁相结构（32），用于重新处理由所述第一锁相环（31）建立的所述第一相位误差估计（36），并输出相位同步信号馈送到输出再生器（34），用于在基带中再生信号; 所述辅助第二锁相结构（32）通过延迟装置（35）馈送装置的所述输入信号（30）。

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