20130802

肤色检测，YCbCr空间，直接阈值处理，效果还行，可以参考下(skin detection)

基于余数系统的OFDM无损峰均比抑制方法1001-0548(2013)05-0667-05(Residue Number System Based OFDM Method for Lossless PAPR Reduction)

几种滤波器：hamming窗口的低通滤波器，给定技术指标的模拟巴特沃兹低通滤波器，kaiser窗口的带阻滤波器，blackman窗口的带通滤波器，Kaiser 窗低通滤波器 (Several filters: hamming window low-pass filter, given specifications of the analog Butterworth low-pass filter, kaiser window band stop filter, blackman window bandpass filters, Kaiser window low-pass filter)

matlab detal ied introduction explantation lecture 3

　　　综合运用数字信号处理的理论知识进行生物医学信号分析与处理，实现ECG信号的频谱分析，基线漂移检测等，设计滤波器实现心电信号的滤波，滤去高频和低频干扰，加深理解信号预处理的原理、方法和步骤。本设计的主要内容是设计一个ECG信号频谱分析与处理系统，实现ECG信号的增强，得到相对纯净的ECG信号。(Integrated use of theoretical knowledge of digital signal processing in biomedical signal analysis and processing, implementation of ECG signal spectrum analysis, the baseline drift detection, design of filter realizes the ECG signal filtering, filter the high frequency and low frequency interference, deepen understanding, the principle of the signal preprocessing methods and steps. The main content of this design is to design a ECG signal spectrum analysis and processing system, realizes the ECG signal enhancement, get relatively pure ECG signal. )

说明：  逆变电路，matlab simulink 仿真，适合新手入门电力电子器件仿真(Inverter circuit, matlab Simulink simulation, suitable for novice power electronic device simulation)

一种新的方法，可以自动对两幅图像进行刚性配准。采用matlab和c++混编，速度得到一定的提高。(Rigid body 2-D image co-registration (translation and rotation) is performed using maximization of mutual information. )

Matlab simulink working example for online weighing of a conveyor.

本程序是使用MATLAB语言采用迎风格式解对流方程，对流方程在工程上有很广泛的应用，而迎风格式的精度比较高还包括用跳点格式解扩散方程的初值问题，所以有两个程序 (This procedure is to use the MATLAB language solution using upwind convection equation, the convection equations in engineering, there is a wide range of applications, and the accuracy of upwind scheme also includes a relatively high point format with jump-diffusion equation solution of the initial value problem, so there are two procedures)

程序产生了基于FFT变换下的OFDM信号，子载波采用QAM信号，码元宽度和载波数量可调(OFDm signal)