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平均値、オフセット、線形トレンドの除去、欠損データの復元、データ サンプリング レートの変更


detrendSubtract offset or trend from time-domain signals contained in iddata objects
retrendAdd offsets or trends to time-domain data signals stored in iddata objects
diffiddata オブジェクトの差分信号
idfiltFilter data using user-defined passbands, general filters, or Butterworth filters
misdataReconstruct missing input and output data
nkshiftShift data sequences
idresampResample time-domain data by decimation or interpolation
idresampOptionsOption set for idresamp (R2023a 以降)
resample(Not recommended) Resample time-domain data that is stored in an iddata object by decimation or interpolation (requires Signal Processing Toolbox software)
getTrendCreate trend information object to store offset, mean, and trend information for time-domain signals stored in iddata object
chgFreqUnit周波数応答データ モデルの周波数単位の変更
fdel周波数応答データ (FRD) モデルから指定したデータを削除
TrendInfoOffset and linear trend slope values for detrending data