xiaobofenjieyuchonggou

说明：  噪声中的非平稳信号的频谱分析的matlab代码(Matlab code for spectrum analysis of non-stationary signals in noise)

Navier Stokes Equation

在两个限制条件下，求符合目标函数的计算分组(Two restrictions, seeking to meet the objective function calculation grouping)

模糊自整定PID控制系统simulink仿真实例第二部分(Fuzzy self-tuning PID control system simulink simulation instance)

利用matlab软件模拟平行光入射抛物线型曲面后反射的光路图。(It uses atalb software to simulate parallel light incident parabolic surface reflected light path diagram)

数学建模中的常用算法及其在matlab中的应用，对于学习数学建模很有用。(Used in the mathematical modeling algorithm and its application in matlab useful for learning mathematical modeling.)

效果很好的直线提取算法，抗噪声能力很好，希望对大家有用(Uses the method of Video Compass to get long， straight edges)

定义surface distance， matlab 代码，可以运行，计算两个曲面 球面之间的距离(surface ellipsoid distance calculation )

分析了电压型控制模式下的逆变器并网的电路结构和数学模型，提出了基于重复控制技术的光伏逆变器并网控制策略，仿真和实验结果表明方案满足逆变器并网要求。(Voltage control mode inverter grid circuit structure and mathematical model is proposed based on repetitive control technology photovoltaic inverter grid control strategy, simulation and experimental results show that the program inverter to meet and network requirements.)

可以求出复杂网络中两节点间的距离以及平均路径长度，各节点的度及度的分布曲线，以及节点的聚类系数。(You can find out the distance and average path length between the two nodes in complex networks .you can also find out degree and degree distribution curve of each node, and the node clustering coefficient.)