Calculation sequence of discrete Fourier transform
2016-08-23
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Xn = [1,1,1,1] trial < span style = "font-size: 12.0pt; font-family:" "> MATLAB programming, calculating the sequence of discrete Fourier transform and the inverse discrete Fourier transform. 2, take a cycle of sinusoidal signals, 8 point sampling, seek a continuous spectrum. And the use of the n-cycle continuation, then ask one of the continuous spectrum. Infinite increasing n, comparative analysis of its results.
3, a third-order filter is described by the following difference equation: y (n) = 0.0211x (n) +0.0443x (n-1) + 0.044x (n-2) +0.0181x (n-3) + 1.76y (n-1) -1.272y (n-2) +0.3181y (n-3) draws this vice and phase response of the filter and note that it is a kind of filter.
3, a third-order filter is described by the following difference equation: y (n) = 0.0211x (n) +0.0443x (n-1) + 0.044x (n-2) +0.0181x (n-3) + 1.76y (n-1) -1.272y (n-2) +0.3181y (n-3) draws this vice and phase response of the filter and note that it is a kind of filter.
matlab
计算
序列
变换
离散
傅里叶
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