FFT

实序列FFT快速算法，用N点FFT计算2N点实序列的FFT，比直接进行2N点FFT运算减少一半运算量。(Real sequence FFT fast algorithm, using N-point FFT calculation 2N point real sequence of FFT, than the direct 2N-point FFT computation halved.)

求时间序列的最大李亚普诺夫指数，很好用。(the largest lyapunov)

结构分析的有限元法与matlab程序设计6-1(Structural analysis of the finite element method and matlab programming 6-1)

基于阈值分割心音信号，阈值可根据信号调整，程序给出心音分割的起止位置。(Threshold-based segmentation of heart sound signals, the threshold can be adjusted according to the signal, the program gives the starting and ending positions of heart sounds segmentation.)

该程序属于光学检测领域，其作用将光学波前转变为泽尼克多项式(The code here is belonged to optical test field.And it changes the optical wave phase into Zernike polynomials)

matlab人脸识别代码，用了PCA降维处理，可以进行简单的人脸识别(Face recognition matlab code, using the PCA dimension reduction, face recognition can be a simple)

说明：  MIMO雷达波束形成的基本原理和部分资源代码，希望对大家有用(The basic principle and some resource codes of MIMO radar beamforming are hoped to be useful to you)

边缘检测，源代码，基于matlab的。是canny算子。也可以改动一下模板，即可变成其他算法的了。(Edge detection, source code, based on matlab' s. Is a canny operator. Can also change what the template, you can become the other algorithms.)

说明：  用于对信号的小波分解和重构，是很经典的算法，其思路清晰，符合数学基本思想。(Used for signal decomposition and reconstruction algorithm is very classic, and its clear thinking, in line with the basic mathematical ideas.)

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