【TWO|TWO AMPLITUDE SPECTRAL ESTIMATORS WITH&N】1、文章来源 毕业论文网 Two Amplitude Spectral Estimators with&n文章来源 毕业论文网 全部作者：苏志刚 彭应宁 王秀坛第1作者单位：清华大学论文摘要：In this paper, two nonparametric amplitude spectral estimators, which belong to the adaptive filtering-based approach, are proposed. In case of only several snapshots available, the filtering data, which is 。

2、 formed by weighting the snapshots with the traditional Fourier weight vector, contains more larger residual term besides the signal term at the frequency of interest. Those residual term dramatically reduce the accuracy of the spectral estimate at the frequency. By weighting the snapshots with Capo 。

3、n weight vector, the weighted data is slightly influenced by the other frequency components, and the corresponding filters perform better estimation accuracy and higher spectral resolution. Numerical examples are provided to demonstrate the performance of the new approaches.关键词：Spectral estimation;
Capon beamforming;
rank deficient sample covariance matrix (浏览全文)发表日期：2006年10月25日同行评议：（暂时没有）综合评价：（暂时没有） 修改稿： 。

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标题：TWO|TWO AMPLITUDE SPECTRAL ESTIMATORS WITH&N