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分析双极性不归零码的功率谱特性请输入随机序列的长度N= (ubplot(312) plot(f,lpf) title( 低通滤波器 ) axis([-fs/2 fs/2-0.2 1.2]) subplot(313) plot(f,abs(yr_lpf)/N) title( 经低通滤波后的频谱 ) xlabel( f /Hz ) )

连接各路口节点，统计道路条数，求出各道路的长度，并求出所有顶点对间的最短距离(Connect each node of the intersection, statistics, road number, find the length of the road, and calculated the shortest distance between all vertices)

matlab的simulink的简单介绍和一些例子，适合初学者(the matlab simulink the brief and some examples, suitable for beginners)

2013年美国大学生数学建模竞赛A题程序(the code of 2013 mcm(A))

matlab做的，关于滚动轴承振动信号故障诊断很重要的数据库，做机器学习的朋友可以看看啊！(Matlab do, on the rolling bearing vibration signal fault diagnosis is very important , machine learning friends can see ah!)

不同于普通教程烦躁的理论和使用方法的讲述，本资料提供了Matlab实际操作、程序编写的大量实例，对于了解Matlab基本用法的学习者有很好的指导作用。(Unlike the theory of general annoyance and use tutorial method described, this information provides a Matlab actual operation of a large number of examples of programming for the basic use of the learner to understand Matlab has a good guide.)

MATALAB课件和数学建摸的基本实验，对初学者很有帮助。(MATALAB courseware and mathematical modeling of basic experiments, very helpful for beginners.)

普林斯顿开发的快速球面调和变换算法，我把它移植到windows下，并做成链接库，可以直接调用(Princeton rapid development of the spherical harmonic transform algorithm, I transpose it to the windows, and causing link library, and can directly call)

超材料的参数提取程序，给出了参考的文献。matlab编程，测试可使用(Parameter extraction procedure metamaterials given reference literature. matlab programming, testing can be used)

说明：   数值计算 matlab 单模光纤一维模场分布(Numerical matlab one-dimensional single-mode fiber mode field distribution)