高阶累积量在电话网信号检测中的研究
고계루적량재전화망신호검측중적연구
Research of high-order cumulants used to detect ignals in telephone networks
  • 万方数据
    长春邮电学院学报 장춘유전학원학보
    JOURNAL OF CHANG CHUN POST AND TELECOMMUNICATION INSTITUTE
    2000年 2期 36-41 ,共6页

    刘颖%胡可刚%赵杰

    류영%호가강%조걸

    电话网%多频信号%自相关%高阶累积量 電話網%多頻信號%自相關%高階纍積量
    전화망%다빈신호%자상관%고계루적량
    Telephone networks%Multi-frequency signals%Autocorrelation%High-order cumulants
    基于高阶累积量的信号处理理论，提出了一种快速、简便且无偏估计的方法对多频信号进行有效的检测。这种方法与通常在电话网信号中所采用的基于相关的检测方法相比，具有很好的抗噪声性能，且能满足实时处理的要求，有一定的实用价值。
    기우고계루적량적신호처리이론，제출료일충쾌속、간편차무편고계적방법대다빈신호진행유효적검측。저충방법여통상재전화망신호중소채용적기우상관적검측방법상비，구유흔호적항조성성능，차능만족실시처리적요구，유일정적실용개치。
    Based on signal processing theory about high-order cumulants (HOC), a fast, inexpensive and unbiased cumulants estimation approach is proposed for the detection of multifrequency signals between offices connected to telephone networks. The performance of suppressing noise and practicality of the approach based on HOC is better than that of approach based on autocorrelation.
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