请问如何将函数数据或提取故障分量数据表示为矩阵形式?。
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例如x(t)=sint.数据窗20ms,采样频率4khz.将数据变为一个(N-L)*(L)矩阵。N=80,L=30.Y=[x(0) .............................................x(L-1)]
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[ x(N-L-1) .....................................x(N-2) ]
上面矩阵表示比较简陋,请见谅。
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