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
fft | Transform iddata object to frequency domain
data |
ifft | Transform iddata objects from frequency to time domain |
etfe | Estimate empirical transfer functions and periodograms |
spa | Estimate frequency response with fixed frequency resolution using spectral analysis |
spafdr | Estimate frequency response and spectrum using spectral analysis with frequency-dependent resolution |
例および操作のヒント
- Transform Time-Domain Data in the App
Transform time-domain data to frequency-domain or frequency-response data.
- Transform Frequency-Domain Data in the App
Transform frequency-domain input-output data to time-domain or frequency-response data.
- Transform Frequency-Response Data in the App
Transform frequency-response data to frequency-domain input-output data or to frequency-response data with a different frequency resolution.
概念
- Supported Data Transformations
Transform between time-domain and frequency-domain data at the command line.
- 時間領域と周波数領域間のデータの変換
時間領域と周波数領域間の
iddata
オブジェクトをコマンド ラインで変換します。 - Transforming Between Frequency-Domain and Frequency-Response Data
Transform between
iddata
andidfrd
objects at the command line.