循环谱密度的两通道最大嫡谱估计

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Abstract The main methods for estimation of cyclic spectra for cyclostationary processes are temporally smoothed cyclic periodogram and spectrally smoothed cyclic periodogram. In case of short record length, both methods have low resolution and reliability. This paper uses two-channel complex maximum entropy (autoregressive) spectral analysis method to estimate cyclic spectra. Fine performances such as resolution and reliability can be obtained with this method.

Key words： Cyclostationary process Cyclic spectra Spectral estimation Multichannel Maximum entropy spectral analysis

Received: 14 November 1997

PACS:

TN911.7

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	Wang Chengyi
	Wang Hongyu

Cite this article:

Wang Chengyi,Wang Hongyu. ESTIMATION OF CYCLIC SPECTRA USING TWO-CHANNEL COMPLEX MAXIMUM ENTROPY (AUTOREGRESSIVE) SPECTRAL ANALYSIS[J]. , 1999, 21(4): 461-466 .

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http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y1999/V21/I4/461