The hamming window function ω(n) is given as
1
\(\omega \left( n \right) = \left\{ {\begin{array}{*{20}{c}} {0.54 + 0.46\cos \left( {\frac{{2\pi n}}{N}} \right),\;\;0 \le n \le N}\\ {0,\;\;else} \end{array}} \right.\)
2
\(\omega \left( n \right) = \left\{ {\begin{array}{*{20}{c}} {0.42 - 0.5\cos \left( {\frac{{2\pi n}}{N}} \right) + 0.08,\;\;0 \le n \le N}\\ {0,\;\;else} \end{array}} \right.\)
3
\(\omega \left( n \right) = \left\{ {\begin{array}{*{20}{c}} {0.45 + 0.46\sin \left( {\frac{{2\pi n}}{N}} \right),\;\;0 \le n \le N}\\ {0,\;\;else} \end{array}} \right.\)
4
\(\omega \left( n \right) = \left\{ {\begin{array}{*{20}{c}} {0.42 - 0.5\sin \left( {\frac{{2\pi n}}{N}} \right) + 0.08,\;\;0 \le n \le N}\\ {0,\;\;else} \end{array}} \right.\)