avar

用于结构振动模态分析,可用于简单分析一些多自由度结构的频率等(Modal analysis for structural vibration can be used for simple analysis of the structure of a number of multi-frequency degrees of freedom)

本程序为求矩阵的最大特征值、全部特征值和特征向量，应用乘幂法和雅可比过关法(This procedure for the sake of the largest eigenvalue matrix, all eigenvalues and eigenvectors, applications by a power law and the Jacobi clearance method)

matlab的使用说明，从最基本的方法将起，适合新手使用

MIMO-OFDM System 2*2 matlab code

这个学习matlab的一个教程，主要内容是学习如何进行通信系统的仿真(This learning matlab tutorial, the main content is to learn how to communicate with system simulation)

energy detection algorithm.

说明：  《数字通信（第四版）》答案 《数字通信》(第4版)是数字通信领域的一本经典教材,通过对概率论及随机过程的复习,详细介绍了数字和模拟信源编码、数字调制信号和窄带信号与系统的特征、加性高斯白噪声中数字通信的调制和最佳调制与检测方法、基于最大似然准则的载波相位估计和定时同步的方法、不同信道模型的信道容量及随机编码、带限信道的信号设计、受到符号间干扰恶化信号的解调与检测问题、自适应信道均衡、多信道与多载波调制、扩展频谱信号和系统、衰落信道上的数字通信。(The solution of "Digital communication" " Digital communication" (4th edition) is a digital communications of a classic textbook in the field, through the review process, the probability of randomly addressed, details of the digital and analog source coding, digital modulation signal and the narrowband signal and system characteristics, additive white Gaussian noise in digital communication modulation and the best modulation and detection methods, based on maximum likelihood criterion of carrier phase estimation and time synchronization method, different channel model of channel capacity and random coding, band-limited channel signal design by ISI worse signal demodulation and detection, adaptive channel equalization, multi-channel and multi-carrier modulation, spread spectrum signals and systems, fading channel digital communications.)

matlab实现fisher判别，对于统计方面有重要的应用，适合初学者学习(fisher discriminant matlab realize, for statistics has important applications, suitable for beginners to learn)

matlab用于计算变量间互信息的代码，可用于特征筛选(Matlab code for calculating mutual information between variables)

提取大量txt文本中的相同序号的数据，保存至数组，作为纵坐标画出图形。(Txt text to extract a large number of the same data, save it to an array, as ordinate drawn graphics.)