zishiyingxindaojunhengqi

读avi格式视频的任意多帧数 转化为图片 非常有用 可用 (convert the video to images)

Helicoter equation of motion

说明：  这是一个用FDTD算法计算二维金属方柱散射场RCS的matlab程序.采用UPML吸收边界条件和高斯脉冲源激励,对于学习FDTD方法中的激励源加入,近-远场外推,吸收边界设置等很有帮助 (This is a two-dimensional metal with the FDTD algorithm to calculate the scattering RCS of a square cylinder matlab program. UPML absorbing boundary conditions and using the Gaussian pulse source excitation, FDTD methods for studying excitation source added, near- far field extrapolation, absorbing boundary settings, and helpful)

中文核心期刊电网技术杂志上的一篇介绍风光储联合发电系统储能容量对有功功率的影响及评价指标的文章(Chinese core periodical grid technology magazine ran a scenery storage combined power generation system is introduced in this paper the influence of the energy storage capacity of active power and evaluation index of the article )

补充orchard Release版本没有的Rule模块（已编译）(orchard rule modal)

1D Wave Equation Cavity FDTD in Rectangular Coordinates

Biomedical Optics: Principles and Imaging源码(Biomedical Optics: Principles and Imaging )

面向MATLAB工具箱神经网络理论与运用（包含书上的源程序）(Toolbox for MATLAB neural network theory and application (including the source book))

MATLAB的PPT格式的讲义 希望大家能用得上 (MATLAB s PPT format handouts hope everyone can be useful)

一个关于matlab优化工具箱GOT中的遗传算法函数（GA）和全局优化算法函数（Globalsearch）优化能力的小对比，前者寻优快，但是结果不稳定，在风电场协同有功出力优化上面甚至可能比不过传统的单个风机层面的优化。后者计算量大，耗时较长，但是每次计算结果稳定，较传统单台风机层面优化有少量的提升。Tips:1,本文风场的建模只是采用了PARK模型，实际风场的气动过程应该还要复杂一些，未经实际风场验证，权当是工程优化入门 2,单个风机层面的功率系数Cp参数来源于NREL 5MW模型，跟实际叶片气动性能有关，可靠性未知。3,这种风场级别的协同优化主要考虑尾流因而更加适用于地形较平坦的风电场。《基于风机运行参数协同设定的风电场有功出力优化》是部分由这个程序支撑的，欢迎交流。(The classical operation strategy of a wind farm works with a principle that each wind turbine converting as much aerodynamic power as available the incoming airflow. But this does not guarantee that the power converted by the whole wind farm be a maximum due to the wake effect. Unlike the conventional operation, this paper proposes the collaborative setting of the operation point of each turbine so that the overall production of the wind farm is maximized. The optimization is performed by Matlab Global Optimization Toolbox(GOT) based on a PARK wake model accompany with the area-weighted quadratic sum method. The strategy was proved applicable in many cases by sensitivity analysis. As an important side effect, the proposed method also allows decreasing the added turbulence, hence the mechanical load produced by wakes. As a consequence, the overall wind farm availability is increased. )