DFT

matlab读取MIT/BIH数据库心电数据的matlab程序(failed to translate)

系统辨识源码，包含参数模型辨识算法程序和非参数模型辨识算法程序。(Source system identification, model identification algorithm contains parameters of procedures and non-parametric procedures for model identification algorithm.)

mimo系统通过波束到达角、角度扩展、天线之间的间隔和天线的个数，计算出发送端或接收端的相关矩阵(mimo system through the beam arrival angle, angle expansion of the interval between the antenna and the number of antennas, calculate the transmitter or receiver of the correlation matrix)

基于混沌的模拟退火算法，小波包分析提取振动信号中的特征频率，BP神经网络的整个训练过程。( Chaos-based simulated annealing algorithm, Wavelet packet analysis to extract vibration signal characteristic frequency, The entire training process BP neural network.)

介绍了用MATLAB来实现曲线拟合的方法，对进行该方面学习的人很有效(Described curve fitting using MATLAB to implement the method aspects of the conduct of the study were very effective)

给音乐添加噪声再通过低通滤波器滤掉噪声，性能改善过后能明显看到效果。(Add noise to the music and through a low pass filter filters noise, performance improvement can be evident after the effects.)

数学建模中的最优路径选择问题，通过数学建模，matalb编程找到最有路劲，最优策略(Mathematical model interpolation algorithm, with the mathematical modeling, use of matble programming solve interpolation fitting mathematical modeling optimal path problem and investment examples solutions, through the matalb programming solve the above problem of mathematical modeling the optimal path choice, through the mathematical modeling, matalb programming to find the most road strength, the optimal strategy )

Matlab图形图像处理函数。全部的Matlab图形图像处理函数集合(Matlab graphics image processing function. All of the Matlab graphics image processing function set)

说明：  该程序用matlab实现求两直线的交点，显示直线和交点坐标。(Present two lines intersection)

用中心差分法计算输入地震动的位移时程曲线，该函数仅为示例用，在计算短周期结构的反应时，可能不准确，需要减小时间间隔 ( central difference method)