yuyinxinhaoSTFT

运用SVD分解分析勘探地震信号，主要是对信噪比提升的研究(Exploration and seismic signal processing in learning friends and the help )

实现以下功能：装载信号；完成信号的单尺度一维离散小波分解；从系数中重构低频部分和高频部分；显示高频和低频部分；由小波逆变换恢复信号；多层一维分解；提取系数的低频和高频部分；重构第3层的低频系数；重构第1、2、3、4、5层的高频信号；重构原始信号并显示(Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition reconstructed from the coefficients in the low frequency and high frequency display high-frequency and low frequency restored by the inverse wavelet transform signal multi-layer one-dimensional decomposition extraction coefficient of low frequency and high frequency reconstruction of 3-layer low-frequency coefficients reconstruction of the first layer of high-frequency signal 1,2,3,4,5 reconstruct the original signal and display)

The code does the halftoning of colored image using the jarvis matrix and displays the halftoned image.

Interactinf Multiple Model, Kalman Filter, Simulink

使用matlab对二维图像进行压缩编码，用哈弗曼函数进行(Use matlab for the two-dimensional image compression, Ha Fuman function)

核函数主成分分析，用于数据的特征提取，对于训练样本的降维有较好的效果(Kernel principal component analysis, feature extraction for data, which can effectively reduce the dimension of training samples, the better)

带交叉因子的粒子群MATLAB算法程序，可实现带约束变量的微粒群算法(With cross-factor PSO algorithm MATLAB procedures, can be constrained variable particle swarm optimization)

Illustration of Circular Shift of a Sequence

说明：  先进pid程序-第一版源码，matlab源码程序。(advanced procedures-the first edition source, Matlab source programs.)

fuzzy printed character recognition