Calculation of Window Function.

Keyword Window Function,Apodization Function,Hamming Window, Hanning Window,Bartlett Window,Welch Window.

Reference [1]：Graham Woan著･堤正義訳：『ケンブリッジ物理公式ハンドブック』,共立出版,pp.58,2007. [2]：Window Function

Remarks ・LaTeX： 0\leq \frac{j}{N}\leq 1,\frac{j}{N}= x Bartlett\; w_{j}=1-\left | 2x-1 \right | Welch\; w_{j}=1-\left [ 2x-1 \right ]^{2} Hanning\; w_{j}=\frac{1}{2}\left [ 1-\cos\left ( 2\pi x \right ) \right ] Hamming\; w_{j}=0.54-0.46\cos\left ( 2\pi x \right ) ・Making above Equation Image is powered by CODECOGS

History ・2010/02/18：Upload.