communication

MATLAB环境下采用灰度变换的方法增强图像的对比度(Using gray-scale transformation method of contrast-enhanced images)

AES加密算法的matlab实现，是密码学的又一重要加密算法(AES encryption algorithm matlab implementation is another important cryptography encryption algorithm)

说明：  mean shift

matlab数字水印 通过这个程序可以给原图象加上水印 但不可以提取！(Matlab digital watermarking through this procedure can be added to the original image watermark but not extract!)

QPSK 在高斯信道下的调制解调的matlab仿真实现，可显示输入数据的波形表示，I支路和Q支路以及调制前、解调后、接收的波形、星座图等(In the Gaussian channel QPSK modulation and demodulation matlab Simulation, the waveform can be displayed, said input data, I branch and Q branch, and before modulation, demodulation, the received waveform, constellation, etc.)

以单相桥式分支模块组成的整流电路仿真模型(Single phase bridge rectifier modules branch circuit simulation model)

a PID controller in matlab

BP PID(BP PID)

演示龙格库塔方法的绝对稳定区域，从1阶到4阶，且阶数可以调整。另外，区域的左右边界可以计算出来(Absolutely stable region demonstrates Runge-Kutta methods, from an order to the fourth order, and the order can be adjusted. Further, around the boundary region can be calculated)

Technical Report Multi-Carrier Position-Based Packet Forwarding Protocol For Wireless Sensor Networks