mandu

this mfile calculate y bus

偏最小二乘算法 利用交叉验证算法计算应提取成分的个数，本程序给出了交叉验证的发放以及回归系数的算法(Partial Least Squares algorithm using cross-validation the number of components to be extracted, this procedure gives the distribution as well as cross-validation regression coefficient of the algorithm)

说明：  对地震计录进行fk滤波，适用于初学者，可以下载学习(fk filter,FK filtering for seismometer recording is suitable for beginners and can be downloaded for learning)

利用iTextsharp提取PDF文件中图片的控制台程序源码，根据原itextsharp.ExtractImagesFromPDF改进(This is a pick image console program, You can use pdf command to pick a image PDF file. )

谐波平衡，可以求解DUFFING方程等非线性动力学系统，并可以求解二阶微分方程(The harmonic balance can be solved by the nonlinear dynamical systems such as DUFFING equation, and can be solved by two order differential equations)

该程序为MATLAB源码，使用SVM算法（简易实现）进行分类。(Classify using (a very simple implementation of) the support vector machine algorithm)

潮流调和分析非常好用的一款程序，可进行潮流调和常数的计算(Tide harmonic analysis, a very easy to use procedures, harmonic currents can be constant calculation)

第 5 代移动通信系统 (5G) 是面向 2020 年之后的新一代移动通信系统 , 其技术发展尚处于探 索阶段 . 结合国内外移动通信发展的最新趋势 , 本文对 5G 移动通信发展的基本需求、技术特点与可 能发展途径进行了展望 , 并分无线传输和无线网络两个部分 , 重点论述了富有发展前景的 7 项 5G 移 动通信关键技术 , 包括大规模天线阵列、基于滤波器组的多载波技术、全双工复用、超密集网络、自 组织网络、软件定义网络及内容分发网络 . 本文还概括性地介绍了国内 5G 移动通信的相关研发活 动及其近期发展目标 .(The fifth generation mobile communication system (5G) is a new generation of mobile communication system after 2020. Its technological development is still in the exploratory stage. Combining with the latest trends of mobile communication development at home and abroad, this paper prospects the basic needs, technical characteristics and possible development ways of 5G mobile communication development, and divides wireless transmission and wireless network into two parts, focusing on rich. Seven key technologies of 5G mobile communication, including large-scale antenna array, filter bank-based multi-carrier technology, full duplex multiplexing, ultra-dense network, self-organizing network, software definition network and content distribution network, are prospected. The related research and development activities and recent development goals of 5G mobile communication in China are also briefly introduced in this paper.)

说明：  wavefront Zernike calculation

用MATLAB写的 最优化设计课程里的 二阶段法(MATLAB was used to optimize the design curriculum of the second stage)