crange

有效观察OAM的相位模式，可自由设定拓扑荷数(Observing the phase mode of OAM effectively, the topological charge can be set freely.)

说明：  erdas练习文件，初学erdas的可以用来练习，可以做纠正，分析等。(erdas practice files, beginners erdas' s can be used to practice, you can do to correct, analysis.)

光伏发电系统，电流电压输出曲线波形吐血土建(Photovoltaic systems, current and voltage waveform output curve vomiting civil)

对信号进行希尔伯特变换，来进行故障诊断。及其有效的方法(The signal hilbert-huang transform, for fault diagnosis. And effective method)

主要面向工程设计人员，涉及的知识不但包括软件应用，还包括专业基础知识，是机械，电子领域技术人员的最佳参考书(Primarily for engineers, the knowledge involved, including not only software applications, including professional knowledge, machinery, electronics technicians the best reference books)

精通MATLAB－综合辅导与指南（附例程）(Proficient in MATLAB-integrated counseling and guidance (attached routines))

说明：  对最小二乘的参数进行重新加权，实现迁移学习并预测(Least-square importance weighted, transfer learning and prediction)

提取灰度图的边界，输入参数是灰度图，输出参数是灰度图边界的坐标(Extract grayscale borders, the input parameter is grayscale, the output parameters are the coordinates of the border grayscale)

backwardfoeward load flow for distribution network

说明：  Maltab在数学建模中的应用（第一版）_卓金武等.part1(Maltab in Mathematical Modeling (1st Edition)_Zhuo Jinwu et al.)