2d-FDTD

搭建完整的双馈风力发电系统，模拟网侧控制和转子侧控制，观察电压跌落情况下，双馈风力系统的变化(A complete doubly fed wind power generation system is developed to simulate the grid side control and the rotor side control, and to observe the change of DFIG wind system under voltage sag)

说明：  根据卫星坐标和接收站坐标来计算卫星高度角的一段程序，简单实用(A program for calculating satellite altitude angle based on satellite coordinates and receiving station coordinates is simple and practical.)

环保局污染设备在线控制系统(商业源码).完整,实用的VC写的控制系统,下位分析设备采样控制系统. (Environmental Protection Agency pollution equipment on-line control system (commercial source). A complete, practical, written in VC control systems, under-sampling analysis equipment control systems.)

对spwm进行仿真时的参数调整以达到实现变频调速仿真目的(Parameter adjustment in SPWM simulation to achieve the purpose of variable frequency speed control simulation)

说明：  python随机纤维生成纤维束进行有限元分析（周期性边界条件）(Generate random fiber)

异步电机的VVVF的变频启动，含matlab仿真模型和编程M文件(AsynchronousMotor ,VVVF,including M file and SIMULINK model)

并联机构动力学方程的建立以及matlab仿真详细注释程序(Establishment of dynamic equation of parallel mechanism and detailed annotation program of MATLAB simulation)

说明：  三极管放大实验电路，包括固定偏置/分压偏置，需要根据一些参数确定所选用的电阻值，使得三极管工作在放大状态。本程序将电路设计设计成GUI模式，界面上只需要输入电路设计所需参数，根据相关理论推导，给出相关参数的理论值（放大倍数、输入电阻、输出电阻等），指导实验电路搭建。软件搭建在matlab gui上，方便使用 若干参数说明 beta：三极管放大倍数 Ic：集电极电流 Uce：期望CE间电压 UeCof：Re电阻上点电压与Ucc电压比值，一般0.1-0.2 IbCof：Ib上电流与流过Rb1、Rb2电流的比值，一般0.1 ShuntCe：是否有旁路电容(The experiment circuit of triode amplification, including fixed bias / partial voltage bias, needs to determine the selected resistance value according to some parameters to make the triode work in the amplification state. In this program, the circuit design is designed into GUI mode. Only the parameters needed for circuit design are needed on the interface. According to the relevant theoretical derivation, the theoretical values of the relevant parameters (magnification, input resistance, output resistance, etc.) are given to guide the construction of experimental circuit. The software is built on Matlab GUI, easy to use)

说明：  对spwm进行仿真时的参数调整以达到实现变频调速仿真目的(Parameter adjustment in SPWM simulation to achieve the purpose of variable frequency speed control simulation)

Morphological transformations are some simple operations based on the image shape. It is normally performed on binary images. It needs two inputs, one is our original image, second one is called structuring element or kernel which decides the nature of operation.