digital_signal_and_MATLAB_command

串的一些基本运算，删除一段子串，置换，求s串中从start位置开始长度为len的子串等等(Some of the basic string operations, delete a substring, replacement, seeking s string starting from the start position of the sub-string of length len, etc.)

说明：  again other methods for clustering

四旋翼无人机sliding mode backstepping代码(Four-rotor UAV sliding mode backstepping code)

Malla de PAT proyecto

inverse dynamic of robot.nt to upload source code, you can

用等倾线法绘制二阶系统的相平面图 二阶系统自己拟定(Line method to draw the second-order system using equal inclination plan second-order system own prepared)

matlab编写的滤波程序，里面包含了滤波前的信号和滤波后的信号。(matlab prepared by the filtering process, which includes pre-filtering the signal and filtered signal.)

该文介绍基于Matlab/Simulink进行雷达系统仿真的基本规范 ,开发了有关的雷达系统仿真模型库 ,并在该平台上对某脉冲多普勒雷达系统进行了仿真 ,给出了仿真结果和分析。(This paper introduces the basic specifications of the radar system simulation based on Matlab/Simulink, developed a radar system simulation model library, on the platform of a pulse Doppler radar system simulation, the simulation results and analysis are given.)

说明：  通过修改输入excel文件中的铺层信息及材料属性，计算层合板的等效模量及极限强度，并绘制应力沿厚度方向的分布图(The equivalent modulus and ultimate strength of the laminates are calculated by modifying the information and material properties of the laminates inputted into excel files, and the stress distribution along the thickness direction is plotted.)

data security in manet using key generation technique. it encodes & decodes the data to be transmitted