一種高分辨率的最大嫡譜估計算法

黃勇; 彭應寧; 王秀壇

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一種高分辨率的最大嫡譜估計算法

黃勇, 彭應寧, 王秀壇

文章導航 > 電子與信息學報 > 2001 > 23(5): 439-446

黃勇, 彭應寧, 王秀壇. 一種高分辨率的最大嫡譜估計算法[J]. 電子與信息學報, 2001, 23(5): 439-446.

引用本文:

黃勇, 彭應寧, 王秀壇. 一種高分辨率的最大嫡譜估計算法[J]. 電子與信息學報, 2001, 23(5): 439-446.

Huang Yong, Peng Yingning, Wang Xiutan. A KIND OF MAXIMUM ENTROPY SPECTRAL ESTIMATION ALGORITHM WITH HIGH RESOLUTION[J]. Journal of Electronics & Information Technology, 2001, 23(5): 439-446.

Citation:

Huang Yong, Peng Yingning, Wang Xiutan. A KIND OF MAXIMUM ENTROPY SPECTRAL ESTIMATION ALGORITHM WITH HIGH RESOLUTION[J]. Journal of Electronics & Information Technology, 2001, 23(5): 439-446.

黃勇, 彭應寧, 王秀壇. 一種高分辨率的最大嫡譜估計算法[J]. 電子與信息學報, 2001, 23(5): 439-446.

引用本文:

黃勇, 彭應寧, 王秀壇. 一種高分辨率的最大嫡譜估計算法[J]. 電子與信息學報, 2001, 23(5): 439-446.

Huang Yong, Peng Yingning, Wang Xiutan. A KIND OF MAXIMUM ENTROPY SPECTRAL ESTIMATION ALGORITHM WITH HIGH RESOLUTION[J]. Journal of Electronics & Information Technology, 2001, 23(5): 439-446.

Citation:

Huang Yong, Peng Yingning, Wang Xiutan. A KIND OF MAXIMUM ENTROPY SPECTRAL ESTIMATION ALGORITHM WITH HIGH RESOLUTION[J]. Journal of Electronics & Information Technology, 2001, 23(5): 439-446.

一種高分辨率的最大嫡譜估計算法

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出版歷程
- 收稿日期: 1999-04-14
- 修回日期: 2000-02-24
- 刊出日期: 2001-05-19

A KIND OF MAXIMUM ENTROPY SPECTRAL ESTIMATION ALGORITHM WITH HIGH RESOLUTION

摘要

摘要: 經典的基于Yule-Walker等式的最大熵方法Levinson-Durbin遞推算法,忽略了數(shù)據(jù)的自相關序列估計值代替理論值時的誤差,因而降低了算法性能。為了減小該誤差的影響,提出一種新的最大熵算法。該算法在計算過程中利用了一些現(xiàn)有算法的思路,來提高譜估計的性能并減小計算量。計算機模擬結果證明,這種新算法的估計性能遠高于Levinson-Durbin算法。與同樣具有高性能的LUD(Lower and Upper triangular matrix Decomposition)算法相比,在低信噪比時新算法的分辨率更高,高信噪比時,二者性能則相似。
- 最大熵方法; Yule-Walker等式; 譜分辨率
Abstract: Based on the Yule-Walker equations, a traditional Maximum Entropy Method (MEM) is the Levinson-Durbin recursion algorithm. The algorithm omits errors that are pro-duced when estimated values of autocorrelation sequence take the place of their ideai values. A new algorithm is presented in order to decrease the errors as much as possible. The algorithm improves its performance of spectral estimation and reduces computational complexity by means of the clues of some existing algorithms. The results of simulati...

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參考文獻(1)

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