classical_new

说明：  XML解析，功能很强大，大家可以参照下，肯定会有用(XML Parser，powerful functions，you can learn something from it easily.It must be useful to you!)

Calculate actual distance between two points on Earth, given their Lat Lon Alt, in Km

创建一个高斯分布并画出其PDF曲线，文件设置为均值为0.其分散为1，参数可以调节(Create a Gaussian distribution, and Draw the PDF curve, the file is set to mean 0. The spread is 1, the parameter can be adjusted)

运用C语言对高斯信道进行仿真，简洁快速的实现(The use of C language Gaussian channel simulation, simple rapid implementation)

切比雪夫低通原型滤波器的设计元件值的提取和耦合系数的计算。并且给出S21和S11的响应曲线图(Chebyshev low-pass extraction and coupling coefficients calculated prototype filter design element values. S21 and S11, and gives the response graph)

说明：  hopfield分类，功能强大，比较不错，建议下载( divide ，can use it to divide the thing you want)

two dimensional Heat Conduction

用Matlab实现的心电信号的处理源程序！(using Matlab ECG signal processing source!)

交错反激电路matlab，mppt，光伏微逆变器仿真源码。(Interleaved flyback circuit matlab, mppt, photovoltaic micro inverters source of emulation.)

一个串级PIDSIMULINK模型,可直接运行(one simulink model about pid)