分数阶傅里叶变换 FrFT LFM paraEstimation

代码说明：

  分数阶傅里叶变换(Fractional Fourier Transform, FrFT)，实现线性调频(LFM)信号的参数估计(调频斜率和初始频率)。由粗到细搜索分数阶傅里叶变换的阶数。需要到网上自行下载一个工具函数frft.m.(It is about estimationg the frequency modulation rate and initial frequency of linear frequency modulation (LFM) signal using the fractional Fourier transform (FrFT).It need a function frft.m which could be found in the internet.)

文件列表：

FrFT_LFM_paraEstimation.m,1886,2014-05-27