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说明：  噪声中正弦信号的现代法频谱分析，基于MATLAB，实验报告一份(Sinusoidal signal in the noise spectrum of modern law, based on MATLAB, a lab report)

说明：  gauss积分matlab代码，一个完整的程序(matlab code gauss points, a complete program)

Volume of a ball using monte carlo

说明：  李雅普诺夫稳定性分析，包含几种典型用例，调整ode45中背调函数，即可实现不同案例的李雅普诺夫稳定性分析。(Lyapunov stability analysis, including several typical cases, can achieve Lyapunov stability analysis of different cases by adjusting the back tone function in ode45.)

说明：  基本的Qpsk调制和解调方式，采用的是A方式，并且画出误码率和信噪比的比例图(QPSK simulation)

说明：  四幅移相干涉图的处理程序，相位提取，基本方法接包裹程序。正在学习的同志请下载。(Four phase-shifting the processing of interferograms, phase extraction, the basic method of access package program. Please download the comrades are learning.)

关于信息安全的数字水印技术，其的提取与嵌入过程！(On information security digital watermarking technology, the extraction and embedding process!)

说明：  该算法是通过matlab语言编程实现。 实现推荐系统算法，基于内容的推荐算法，基于约束的推荐算法。(Matlab implements recommendation system algorithm, content-based recommendation algorithm, constraint based recommendation algorithm.)

这是用matlab编写的显示积分方法中心差分法的源程序，可用于求解微分方程描述的工程问题和相关仿真(This is prepared using matlab central difference integration method shows that the source method can be used to solve differential equations to describe the engineering problems and related simulation)

qpsk modulation 这是从网上下载的。已经经过验证。(qpsk modulation which include the generation of random number, and eye diagram, power spectrual density)