euler2

说明：  32apsk与16apsk调制解调和16qam的比较 (32apsk and 16apsk comparison of modem and 16qam)

说明：  循环卷积 循环移位 matlab 编程 circonv，cirshift(circular convolution cyclic shift Matlab programming circonv, cirshift)

时域有限差分方法 1维 产生正弦波和高斯波 犹他州大学程序(fdtd method 1D sinewave and gausswave www.ece.utah.edu)

采用平面波展开法求解二维光子晶体能带，有正方形和六边形(Plane wave expansion method for solving two-dimensional photonic crystal band)

high voltage converter

小波包分析提取振动信号中的特征频率，最终的权值矩阵就是滤波器的系数，可直接计算得到多重分形谱。( Wavelet packet analysis to extract vibration signal characteristic frequency, The final weight matrix is ??the filter coefficient, It can be directly calculated multi-fractal spectrum.)

基于SIR粒子滤波器的故障诊断方法，参数有误报率和漏报率(SIR particle filter based on the fault diagnosis methods, parameters and reporting the rate of false alarm rate)

实现一些数学函数功能，比如求对角阵、单位阵的，(Implement some mathematical functions ，such as o diagonal matrix, unit array, )

digital processing in matlab

说明：  用多层前向网络的BP算法拟合函数 说明：1）网络结构为三层（输入层、1个隐层和输出层）； 2）获取两组数据，一组作为训练集，一组作为测试集； 3）用训练集训练网络； 4）用测试集检验训练结果。(Fitting the function with BP algorithm of multilayer forward network)