Members 

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.