BP-network

基于matlab平台上实现的遗传算法交叉算子操作，实现的是对自然数编码的两点交叉。代码无错，可以直接运行。(Based on matlab platform to achieve crossover genetic algorithm operations, the realization of the two-point crossover natural number coding. Code is error-free, can be directly run.)

信号处理滤波器程序，可以加窗函数等操作，(Signal processing filter procedures, functions and other operations can be added to the window,)

说明：  Matalab通信中的一些仿真，调制解调方面的，比较全面，可以借鉴下。(Some Matalab communication simulation, modem connection and a more comprehensive and can learn from the next.)

NS 仿真软件输出结果的分析。有NAM 和 MONITOR输出结果的具体分析，希望对大家有用。(NS simulation software output analysis. MONITOR output with NAM and the specific analysis, we want to be useful.)

Log_periodic antenna design MATLAB code

反应谱，适用范围广，应用方便，有利用地震波使用过程中的位移，加速度，速度反应谱(Response spectrum, widely used, and convenient, with the use of seismic waves in the process of displacement, acceleration, velocity response spectrum)

带通滤波，对输入的数据进行带通滤波，采样频率为实际频率的16倍，里面有关于矩阵和数据变换的程序，大家可以自己转换(Band-pass filter, the data input bandpass filter, the sampling frequency is 16 times the actual frequency, which on the matrix and data transformation process, we can convert their own)

理解随机信号功率谱分析原理和方法。 (1) 生成信号，被淹没在在噪声中； (2) 试用周期图法估计信号的功率谱； (3) 选用不同窗，使用修正周期图法估计信号的功率谱； (4) 对一段语音信号，使用LD算法估计其功率谱； (5) 详细列出功率谱估计的步骤和原理。 (understanding of random signal power spectrum analysis principles and methods. (1) generate signals being drowned in the noise; (2) The probationary period plan estimates the signal power spectrum; (3), different windows, the use of map amendment cycle method to estimate the power spectrum signal; (4) a voice signal, the use of LD algorithm to estimate the gong spectrum; (5) a detailed breakdown of the power spectrum estimation steps and principle.)

单源最短路径，MATLAB编程，用于数学建模。(Monophyletic shortest paths, MATLAB, used for mathematical modeling. )

对于线性代数等知识在matlab的编码。主要有讲解ppt和matlab代码。(For linear algebra knowledge encoded in the matlab. Mainly explain ppt and matlab code.)