Spectrum_Bartlett
于 2016-12-22 发布
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对于周期图的功率谱估计,当数据长度N太大时,谱曲线起伏加剧, 若N太小,谱的分辨率又不好,因此需要改进。两种改进的估计法是 平均周期图法和平滑平均周期图法。Bartlett法:Bartlett平均周期图 的方法是将N点的有限长序列x(n)分段求周期图再平均。(For the power spectrum estimation of the periodogram, when the data length N is too large, the spectral curve fluctuation intensifies, If N is too small, the spectral resolution is not good, so need to be improved. The two improved estimates are Average Period Graph and Smooth Mean Period Graph. Bartlett method: Bartlett average cycle chart Is to re-average the finite-length sequence x (n) of N points by periodogram.)
文件列表：
Spectrum_Bartlett.m,765,2016-09-19
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