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Harmonic Retrieval Embedded in Hybrid Colored Noise: a Novel Pisarenko Method Based on Cross high order Cumulant

Harmonic Retrieval Embedded in Hybrid Colored Noise: a Novel Pisarenko Method Based on Cross high order Cumulant
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摘要 Spectral estimation method is an effective method in the case of parameter estimation of sinusoid signal in noises.It always applies cross spectral estimation theory and high order self spectral estimation methods up to now.Yule Walker equation based on cross fourth order cumulant is developed and Pisarenko method is provided in this paper.Simulation results show that the method is effective to retrieve sinusoid signal frequencies from hybrid colored noises and has good performance. Spectral estimation method is an effective method in the case of parameter estimation of sinusoid signal in noises. It always applies cross-spectral estimation theory and high-order self-spectral estimation methods up to now. Yule-Walker equation based on cross-fourth-order cumulant is developed and Pisarenko method is provided in this paper. Simulation results show that the method is effective to retrieve sinusoid signal frequencies from hybrid colored noises and has good performance.
作者 马彦
出处 《High Technology Letters》 EI CAS 2000年第3期24-28,共5页 高技术通讯(英文版)
基金 SupportedbytheNationalNaturalScienceFundationofChina.
关键词 CROSS FOURTH order CUMULANT Yule WALKER equation Frequency estimation HARMONIC RETRIEVAL Cross fourth order cumulant,Yule Walker equation,Frequency estimation,Harmonic retrieval
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