短時傅立葉變換
阿新 • • 發佈:2018-11-25
2) c++加窗 https://blog.csdn.net/jacke121/article/details/61917610
3)https://blog.csdn.net/qq_23869697/article/details/79283875 (典型的視窗大小是25ms,幀移是10ms。漢明窗函式為W(n,α ) = (1 -α ) - α cos(2PIn/(N-1)),0≦n≦N-1 一般情況下,α取0.46 ),而網頁http://read.pudn.com/downloads336/sourcecode/windows/other/1473752/C%E7%A8%8B%E5%BA%8F-%E7%AA%97%E5%87%BD%E6%95%B0%E6%B3%95%E5%AE%9E%E7%8E%B0FIR/%E7%AA%97%E5%87%BD%E6%95%B0%E6%B3%95%E5%AE%9E%E7%8E%B0FIR.txt__.htm