detection of periodic signal 周期信号检测
In the meantime the correlation algorithm is combined with periodic spectral estimation, and a further improvement of the signal detection ability using this method is proved.
同时提出相关法与周期谱估计相结合的方法，并证明该方法可进一步改善信号的检测能力。
Signal detection system based on chaos theory has the critical sensitivity to periodic signal and the immunity to the strong noise, which can be used in weak signal detection area.
基于混沌理论构建的信号检测系统具有敏感微弱周期信号和对噪声有强免疫力的特点，用于微弱信号检测领域优势明显。
Signal detection; Periodic signal; signal coherence function; Statistical theory; Periodogram.
信号检测；周期性信号；信号相干函数；统计理论；周期图。
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