guide

PCA人脸识别算法，识别率达到99 ，采用小波变换的方法及主成分分析法。(PCA face recognition algorithm, the recognition rate up to 99 , using wavelet transform methods and principal component analysis.)

延迟码的波形图。通过matlab工具仿真出了延迟码的时域和频域波形()

这是一个非常好的关于kit的matlab工具箱。(This is a matlab toolbox of kit.)

说明：  对信号进行频域特征提取，先通过傅里叶变换得到信号频谱，再计算频谱特征，包括重心频率，均方频率和频率方差(Firstly, the frequency spectrum of the signal is obtained by Fourier transform, and then the spectrum characteristics, including center of gravity frequency, mean square frequency and frequency variance, are calculated.)

通过有限差分对平行板电容器进行差分，然后求解泊松方程，求出空间电荷在平行板电容器中电场分布情况(Through the finite-difference differential pairs of parallel-plate capacitor, and then solving Poisson' s equation of space charge in a parallel plate capacitor in the electric field distribution)

单频估计kay算法的仿真源程序，系统为QPSK调制，信道为高斯白噪声信道。(Single frequency estimate kay algorithm simulation source code, the system is QPSK modulation, the channel is Gaussian white noise channel.)

这个程序代码用于提取眼底图像的血管，包括去噪、边缘检测(The program code for extracting a blood vessel image of the fundus, including denoising, edge detection)

姿态估计的源码，可以快速算出xyz坐标，数据可以通过matlab等进行二次开发。(Pose estimation of source code, you can quickly calculate the xyz coordinates, matlab and other data can be secondary development.)

this code for shift factor

对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum characteristics and frequency characteristics and find the different time node, in order to analyze the acoustic characteristics of different event period.)