add-noise

this function to image processing in matlab

说明：  摄像头采集，人脸识别 更改了matlab的simulink原例子，可以直接从usb摄像头实时采集图像，进行人脸识别。 (Camera capture, face the simulink matlab changed the original example, directly from the usb camera capture images in real time, for face recognition.)

This is about source code management.

模拟GPR波形，具有高效仿真作用，适用于探地转达方面。(simulation of ground penetrating radar in 2D)

本程序用来生成线性群时延滤波器，用于产生基带线性群时延，4倍上采样， 带内最大群时延失真为k个码元(This programme is designed to generate a linear group delay filter)

数控车床刀件运动点从TXT文件提取至EXCEL。TXT文件中对车床刀件运动位置描述同时包括字符和数字，程序运行后将提取数据至excel(CNC lathe data processing by matlab(pick up data from txt file and store it in excel))

利用matlab，knn最近邻分类算法，可直接调用(Using matlab, knn nearest neighbor classification algorithm can be directly invoked)

beamforming, capon, 和music 三种波达方向定位算法的matlab仿真源代码。(出三维图)(Code source sous matlab de SOURCE LOCALIZATION ALGORITHM(beamforming, capon, and music) (3D))

GNSS接收机导航定位解算的matlab源代码(matlab source code for GNSS receiver positioning processing)

用MATLAB对瑞利衰落信道进行仿真，并有结果图及分析。(Rayleigh fading channel using MATLAB simulation, and the results of maps and analysis.)