利用DFT的对称分解进行信号的频谱分析及细化

Signal Spectrum Analysis and Its Detailed Description Using Symmetric Decomposition of DFT

本文介绍了一种将 DFT对称分解进行频谱分析的方法。该方法可以很容易地得到频谱全景 ,并且再通过简单运算 ,可以得出感兴趣的频段的细节 ,其实用性好。

A spectrum analysis method using the symmetric decomposition of DFT is proposed in this paper.With the method,the spectrum panorama is given readily.And by simple calculation,the details of some frequency segment,which we are interest in,can be obtained.The method has a good practicality.