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crosscorrelation in matlab

基于平稳-非平稳的滤波技术，主要应用于信号滤波，去噪。(Based on the stationary- non-stationary filtering technology, mainly used in signal filtering, de-noising.)

Create the segement iamge from the dection object

数字信号处理综合设计 利用windows下的录音机录制一段自己的话音，时间控制在1秒左右；并对语音信号进行采样，理解采样频率、采样位数等概念。(Digital signal processing integrated design Using Windows, making a video recorder under his voice, time control in 1 seconds And the voice signal sampling frequency sampling, understand concepts, sampling digits. )

OFDM Modulation and Demodulation

this is the selection diversity technique, used for avoiding the effects of fading.

matlab7.11b 读取netcdf格式文件(matlab7.11b read netcdf files)

用MATLAB实现SAPSO、SecPSO、SecVibratPSO算法，程序没错误，可以直接运行，非常适合刚学PSO者(Implementation of SAPSO, SecPSO, SecVibratPSO algorithm with MATLAB, the program no error, can be directly run, very suitable for just learning PSO )

关于对hvx人体视觉水印的编写。有小波水印的全过程：分解、嵌入、重构、提取。人体视觉的体现：三大重要系数的利用 (On the preparation of hvx human visual watermark. There wavelet watermark the entire process: decomposition, embedding, reconstruction, extraction. Human visual manifestation: the use of three most important factors)

电力电子技术 课程讲解 晶闸管的介绍 过流保护 过压保护等等(Power Electronics Technology Course introduction explaining current protection thyristor overvoltage protection, etc.)