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说明：  用MATLAB实现计量经济学的教程，很完整很全面。(Using MATLAB to achieve econometrics tutorial, very complete and comprehensive.)

频谱分析，用于对等时间间距的序列进行频谱分析(spectrum analysis, for the time interval, such as the sequence spectrum analysis)

这个文件的名叫Matlab宝典的学习书，本文件详细记录了matlab的学习方法。(Collection of this file called Matlab study book, a detailed record of the file matlab way of learning.)

说明：  方腔环流计算流体作业,利用MATLAB 完成(The square cavity Circulation computational fluid operation, using MATLAB completed)

双闭环可逆直流调速（H桥） 波形很稳定 适合用于学习(Reversible double-loop DC speed (H-bridge) is very stable waveform suitable for learning)

点蚀是齿轮常见故障，利用小波变换检测齿轮点蚀故障(Pitting is common gear fault detection using wavelet transform gear pitting failure)

matlab定标指导书及实例Demo,可用于实际指导工程搭建(matlab calibration instructions and examples Demo, can be used for practical guidance on engineering structures)

逐步判别分析的主函数 用于分类 [sel,c,c0,re,P]=StepclaassV2(data,[50 50 50],data,10) 输入变量 x为训练集.每行为一个样本，每列为一个变量. Class_x,为训练集的分类情况，一行，为各类样本数量,例如[5 6 9] Test为待分类样本. 输出变量：sel为选择的变量序号，c,c0为拟合出的判别函数.re为对Test的判别结果,P为其后验概率. author 王新 2012.4.8 例子Sample: load fisheriris x=meas Class_x=[50,50,50] Test=meas(1:5,:) Fa1=4 [sel,c,c0,re,P]=StepclaassV2(x,Class_x,Test,Fa1)( Stepwise discriminant analysis for the classification of the main function [sel, c, c0, re, P] = StepclaassV2 (data, [50 50 50], data, 10) input variables x as the training set, each conduct a sample of each as a variable. Class_x, the classification for the training set, a row, the number of samples for all types, for example, [5 6 9] Test sample to be classified. output variable: sel for the selected variables serial number, c, c0 is fitted discriminant function. re discrimination results for the Test, P its posterior probability. author Wang 2012.4.8 examples Sample: load fisheriris x = meas Class_x = [50,50,50] Test = meas (1:5, :) Fa1 = 4 [sel, c, c0, re, P] = StepclaassV2 (x, Class_x, Test, Fa1))

dbpsk信号的调制解调matlab代码实现的一个例子，调制时差分编码，这样用1bit延迟差分检测的结果，直接就是原码，解调采用1bit差分延迟检测．(DBPSK signal modulation and demodulation matlab code an example of differential modulation encoding, such 1bit delay with the results of differential detection, direct that the original code, demodulation using 1bit delay differential detection.)

Montel Carlo图形的重要程序：它可以将MATLAB生成的数据转存到excel中(Montel Carlo)