Summary
Window function definition.
Unit
SignalUtils
Declaration
TSignalWindowMode = (wmSymmetric, wmPeriodic);
| Value | Description |
|---|
| wmSymmetric | The initial and last zero element are left out, if present. This is required for windowed digital filter design. The window is symmetric. |
| wmPeriodic | The initial element is kept and the last is left out. This is required to retain periodicity of the signal windowed and analyzed with frequency analysis (FFT) for the following window types: Hanning, Hamming, FlatTop and variants of the Blackman window. |
Description
Specifies if the window function should be periodic or symmetric.
| Copyright 2008 Dew Research |
http://www.dewresearch.com