5-3-3

可以产生测距的超声多普勒信号，为测距回波信号提供素材(could have Doppler signal in order to Echo Ranging provide material)

buck current source on simulink

this is matlab code (this is matlab code)

标准AM振幅调制方式，ma=0时的标准AM振幅调制(Standard AM modulation, ma = 0 the standard AM modulation)

matlab有限元结构动力学分析与工程应用(matlab finite element structural dynamics analysis and engineering applications)

激光雷达点云滤波的topscan算法实现，并能计算精度，绘制出地面点效果图。(Topscan LIDAR point cloud filtering algorithm implementations, and can calculate the precision ground points plotted renderings.)

坐标系转变，通过运行，很好的代码，哈哈哈(Coordinate system transformation, by running, a good code)

关于一个轴承故障分解程序，里面包含小波去噪，重构等，还有EMD模态分解，并且还有各种功率谱仿真图(About a bearing failure decomposition process, which contains the wavelet de-noising, reconstruction, etc., as well as mode decomposition EMD, and there are a variety of power spectrum simulation map)

差分法求解一维非稳态偏微分方程，两种代码，给定初值和边界值就可求(One dimensional unsteady state solution by difference method)

说明：  采用相似矩阵模式进行聚类操作，用于多特征提取矩阵聚类(The similar matrix pattern is used for clustering operation)