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Distribution systems power flow

说明：  here i have attached the fdtd 3 d

说明：  this is a source for regression and decision

岩体稳定性计算，单个裂隙生成，三维模型！应用于边坡，大坝等岩质结构！(Rock stability calculations, a single crack generation, three-dimensional model! Applied to the slope, rock dams and other structures!)

使用IMM（交互式多模型）跟踪平面内匀速直线运动和协调转弯组合的机动目标(tracking CV and CT target by using IMM model)

一个用于图像标定的算法，用matlab实现，非常好的一个算法()

一个基于jakes模型的瑞利衰弱频道的matlab程序，很好用。(A jakes model based on Rayleigh fading channel C++ program, easy to use.)

极点配置（Pole Placement）设计是控制系统设计中的一种常用设计方法，它能适应逆不稳系统和开环不稳定系统的情况，并且有设计方法直观、动态性能好、系统稳定的特点。((Pole Placement) pole placement design is a common design approach in the design of the control system can adapt to the inverse unstable system and open-loop unstable system, and intuitive design methods, dynamic performance, system stability characteristics.)

基于matlab simulink的车辆7自由度振动模型，建模的可以参考(Based on matlab simulink 7 degrees of freedom of the vehicle vibration model, modeling can refer)

说明：  光子晶体光纤中空气孔分布均匀时，计算光子晶体光纤的模式有效折射率(The effective RI of the mode propagating in PCF)