文件名称:jiachuang
介绍说明－－下载内容均来自于网络，请自行研究使用
因为傅立叶变换对应的是无限信号,信号经过分帧后变成有限信号,分帧的信号再进行傅立叶变换后,高频部分将有 泄露 ,所以要加窗.
窗函数的拼谱都是在某高频部分截止,所以每帧信号加窗后的傅立叶变化,频谱基本 泄露 -Because Fourier transform corresponding is infinite signals, signals after framing become limited, framing signal again after Fourier transform, the high frequency part will have leaked , so to add window.
Window function spell spectrum are in a high frequency part of the globe, so each fr a me and window after Fourier transform, signal spectrum basic leak
窗函数的拼谱都是在某高频部分截止,所以每帧信号加窗后的傅立叶变化,频谱基本 泄露 -Because Fourier transform corresponding is infinite signals, signals after framing become limited, framing signal again after Fourier transform, the high frequency part will have leaked , so to add window.
Window function spell spectrum are in a high frequency part of the globe, so each fr a me and window after Fourier transform, signal spectrum basic leak
(系统自动生成,下载前可以参看下载内容)
下载文件列表
jiachuang.m