科研之友
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摘要
A fully digital phase tracking loop based on a phase frequency detector and a digitally control phase shifter has been proposed to extract the continuous carrier signal from the burst-like input signal, whose frequency is very close to or same as that of the frequency of the local oscillator used in the loop. The phase drift of the loop is negligible during the off interval of the input signal. This property makes it useful in synchronising bursty signals. The performance of the proposed system has been verified through hardware experiment.
- 出版日期2010
