fdtd2D

2D truss Analysis with matlab

说明：  三相并网逆变器双闭环控制，基于dq坐标系下采用并网电流环与电压前馈的方法对其进行稳定性控制。包含SIMULINK2012-2018所有版本(Based on dq coordinate system, the stability of three-phase grid connected inverter is controlled by the method of grid connected current loop and voltage feedforward. Include all versions of simulink2012-2018)

该代码是基于互信息的非均匀特征排序算法的MATLAB实现(The code is based on the mutual information of non-uniform features of MATLAB realization of sorting algorithms)

1.用matlab实现心形图的绘制，用极坐标的形式或用隐函数的形式实现， 2.玫瑰形的matlab实现(1. Using matlab mapping to achieve heart-shaped, with polar coordinates in the form or the form of implicit function implementation, 2. Rose-shaped matlab implementation)

matlab解線性方程方程組的示例 包括newton法iteration法和bisect法(linear equation matlab Examples of equations newton method iteration method and the bisect method)

卷积编码的源代码，可以用于移动通信信道编 码(the source code can be used in mobile communications channel coding)

车牌识别， 源程序，车牌识别matlab 程序(License plate recognition source)

变压变频器的matlab仿真，包括电源的主电路，利用 Simulink 里面自带的算法工具实现的控制ＳＰＷＭ波形(Variable voltage variable frequency matlab simulation, including the main circuit of the power supply, the use of Simulink which comes algorithm tool to achieve control SPWM waveform)

本文首先分别从光伏电池特性、Buck电路基本原理，最大功率跟踪方法、PI补偿、PWM调制等方面分别进行分析设计，最后利用Simulink对光伏发电系统进行了仿真，并对其进行最大功率跟踪。(Firstly separately the PV cell characteristics, Buck circuit basic principle, the maximum power point tracking method, PI compensation, PWM modulation and other aspects of analysis and design, respectively, and finally the use of Simulink for photovoltaic power generation system is simulated, and its maximum power point tracking.)

机器学习和模式识别的常用算法，独立主元分析，常用于人脸图像识别。此压缩包含有完整的用于人脸图像的算法源码(Commonly used machine learning and pattern recognition algorithms, independent component analysis, commonly used for facial image recognition, speech recognition, etc.)