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自适应滤波LMS算法和bp算法，解决一些基本数学问题(Adaptive filtering LMS algorithm and the bp algorithm to solve basic math problems)

本程序描述了地球，月亮以及卫星三者之间的关系，参数可以设置。(This procedure describes the Earth, the Moon and the relationship between the three satellites, the parameters can be set.)

球头刀铣削，铣削力的计算及切削力图形绘制。(Ball milling cutter, the milling force and cutting force calculation graphics rendering.)

最佳升余弦滚降系统的多径传输. 滚降系数0.5, 取样时间无偏差.(best Raised Cosine system multipath transmission. Roll-off coefficient of 0.5, sampling time without deviation.)

《kalman滤波理论及其在导航系统中的应用》,对卡尔曼滤波在导航中的应用有很好的指导作用("Kalman" filter theory and its application in navigation system, a very good role in guiding the application of Calman filter in the navigation)

Newmark法是一种逐步积分的方法，避免了任何叠加的应用，能很好的适应非线性的反应分析。(The Newmark method is a method of gradual integration, which avoids any superimposed application and can be well adapted to the nonlinear reaction analysis.)

这是一个利用水平集方法进行分割的方法，是目前使用越来越多的方法，并且有严格的数学依据(This is a level set method using segmentation method is currently used by more and more ways, and has a strict mathematical basis for)

Generate 2D spatial pattern like fractal brownian motion. Fractal Dimension can be modified as input parameter.

利用MATLAB基于人工势能场法进行避障，并分析避障过程中航行器与障碍物、目标点的距离(MATLAB is used to avoid obstacle based on artificial potential field method, and the distances between the vehicle and the obstacle and between the vehicle and the goal are analyzed)

power system variable step