利用循环平稳性提取近周期信号

Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing Pub Date : 1994-04-19 DOI:10.1109/ICASSP.1994.389851

A. V. Dandawate, G. Giannakis

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引用次数: 5

摘要

利用循环平稳性从噪声观测中提取几乎周期性的信号。允许加性噪声一般为循环平稳且分布未知。证明了所提估计量的相合性，并给出了它们的渐近性质。此外，采用自适应算法跟踪近周期信号参数的可能时变。最后，通过仿真对所提方法进行了验证。

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Extraction of almost periodic signals using cyclostationarity

Extraction of almost periodic signals from their noisy observations is accomplished by exploiting cyclostationarity. The additive noise is allowed to be generally cyclostationary with unknown distribution. Consistency of the proposed estimators is proved and their asymptotic properties are presented. Further, adaptive algorithms are employed for tracking possible time-variations in the parameters of the almost periodic signal. Finally, the proposed methods are tested via simulations.<>

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Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing

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