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Koch分形曲线计算地图边界，此程序能较好的计算任意凸图形边界长度。程序计算步骤为：提取图形边界，将边界点按与中心点所成角度排序，每隔一定角度取一边界点，对选取的边界点做3次迭代Koch分形(Koch fractal curve map boundary, this procedure can be better calculated arbitrary convex graphical boundary length. The program calculation steps: to extract graphical boundary, the boundary points and the center point of the angled Sort every angle to take a boundary point, done the 3 iterations Koch fractal selected border points)

机械最优化设计中，无约束条件的最速下降法(Mechanical design optimization, unconstrained conditions steepest descent method)

它是指将来自同一目标的不同传感器的信息通过一定的算法融合到一幅图上,从而获得比在单幅图上更完整(It is to point to will come from the same target of different sensors through certain information fusion algorithm to a picture on, to get in on the drawing than single more complete )

此文件是基于MATLAB环境下的关于FIR滤波器设计程序 其中包括了MATLAB的源程序和采用循环缓冲区实现的汇编源程序和连接程序。(This document is based on the MATLAB environment on FIR filter design process including the use of MATLAB and the cycle of the source buffer to achieve the compilation of source code and connection procedures.)

实现动画，挂摆横梁、布朗运动、红色小球沿一条封闭旋螺线运动的实时动画(To achieve animation, hanging swing beam, Brownian motion, a small red ball along a closed real-time animation of the rotating spiral movement)

二维正态分布的检验函数，如果需要进行二维正态分布的检验，在你的程序运行前运行此程序，就可直接调用函数功能。(Dimensional normal distribution test function, if you need a two-dimensional normal distribution test, run your program before you run this program, you can directly call the function function.)

法国人的EMD分解镜像延拓方法，希望能用到(French mirror extension EMD decomposition method, hoping to)

傅立叶变化的Matlab实现，对于学习FFT非常有帮助。FFT文件夹内有多个程序。(Matlab Fourier realize change, for learning FFT very helpful. FFT folder has a number of procedures.)

water mark needs other m-file

This procedure is a DFA method .The method is useful for computing biaodu.