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データの変換

時間領域と周波数領域間のデータの変換

関数

fftTransform iddata object to frequency domain data
ifftTransform iddata objects from frequency to time domain
etfeEstimate empirical transfer functions and periodograms
spaEstimate frequency response with fixed frequency resolution using spectral analysis
spafdrEstimate frequency response and spectrum using spectral analysis with frequency-dependent resolution

例および操作のヒント

概念