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说明：  经典浓度聚类算法OPTICS，matlab实现，简单易懂，可以运行(Classic Concentration clustering algorithm OPTICS, matlab implementation, easy to understand, you can run)

输入抽奖号码范围，程序自动产生随机号码，为公平随机长生，前5次为测试号码，第6次为中将号码。(Enter the draw number range, the program automatically generates a random number, random longevity for the fair, the first 5 times for the test number, as will the 6th number.)

说明：  该代码可以仿真直接扩频系统不同正弦幅度下误码率的的大小(Simulation of bit error rate of direct spread spectrum system)

matlab常见错误分析及解决办法 学习(matlab analysis and solutions to common errors)

说明：  粒子滤波，用于对衰退数据的衰退模型的预测，同时也适用于状态跟踪 - 5(particle filter)

Rotacion de puntos en dos dimensiones

kalman滤波matlab实现，环境是在双发单收的信道中，实现了信道的事实跟踪功能(kalman matlab channel estimated)

针对输电网中的基于综合阻抗的故障选相的保护原理(Protection against transmission network based on the principle that the combined impedance of the fault phase selection)

利用MATLAB开发软件进行编程，实现了数字IIR低通滤波器的功能，程序直接可以运行！(Use MATLAB to develop software for programming, implementation of digital IIR low-pass filter function, the program can run directly!)

LE计算方法。这里给出了经典的分析方法。(LE calculation. Here are the classic analytical methods.)