frequency_hopping

说明：  在图像中加入可视水印，用matlab仿真，实验证明保持了较好的图像质量(in adding visual image watermarking using Matlab simulation experiment to prove that maintaining a good image quality)

信道编码（线性分组码 卷积码），交织器的仿真(Simulation additive white Gaussian noise channel and multi-channel fading by)

利用CV模型进行卡尔曼滤波，实现目标跟踪(CV model using the interaction model and the Kalman Filter, Target tracking)

TH-PPM-UWB的simulink仿真框图以及各个部分的S函数(TH-PPM-UWB in the simulink simulation block diagram and various part of the S function)

选取了民歌，古筝，摇滚和流行不同音乐，用神经网络对其进行有效分类。(Different from folk songs, guzheng, rock and pop music, using neural network to classification effectively.)

说明：  自己保存的北航的集和的sar代码 可以下载学习(Save your own beihang set and THE SAR code can be downloaded to learn)

face detection algorithm .

直流电动机matlab/simulink仿真模型(DC MOTOR matlab/simulink modele)

MATLAB 通信仿真的基本调制程序，M源文件格式。(matlab basic modulation(BPSK,QPSK,QAM,GMSK......))

This folder contains several codes for energy detection and match filter.