18.12.3.1 The Reconstruction Dialog Box

Reconstruction idwt.png
  • Menu Command: Analysis: Signal Processing: Wavelet: Reconstruction
  • Window Types: Workbook, Graph
  • X-Function Scripting and GUI Examples: idwt(Pro)
Dialog Theme See Dialog Themes.
Recalculate

See Recalculating Analysis Results.

Approximation Coefficients

Specify the approximation coefficients. See Specifying Your Input Data.

Detail Coefficients

Specify the detail coefficients. See Specifying Your Input Data.

Wavelet Type & Order

This should correspond to the wavelet type used by the wavelet decomposition that has produced the input coefficients.

  • Haar: Haar wavelet
  • DBN: Daubechies wavelet (N = wavelet order and no. of vanishing moments)
  • BiorNr.Nd: Biorthogonal (Nr = wavelet order or scaling functions used for reconstruction; Nd = order of the functions used for decomposition)
Extension Mode

Specifies the end extension mode.

  • Periodic: The input signal will be viewed as periodic.
  • Zero-padded: The data points outside the input range will be viewed as zeroes.
Output

Where to output for the reconstructed signal. See Output Results.

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