ex4

信号功率谱密度、信道为AWGN信道时构造一种接收机(Signal power spectral density, for the AWGN channel when the channel construct a receiver)

数字水印提取算法，利用离散余弦变换的（dct）算法(Digital watermark extraction algorithm using discrete cosine transform (dct) algorithm)

说明：  用matlab解决一些实际的问题,如交通,销售,动物繁殖等(using Matlab solve some practical problems, such as the transport, sale, breeding, etc.)

genetic algorithm tool box

采用双位方程计算对称阵子天线的输入阻抗方向图,并进行频率扫描，给出了输入阻抗随着频率变话的曲线(MOM to calculate the dipole antenna)

基于MATLAB的信道编码教学实验软件设计与实现(Channel Coding Based on MATLAB Design and implementation of teaching experiments)

一维FDTD仿真传输线理论，分别设定了不同的电源电阻和负载电阻，并且可以自动生成.avi文件播放。(One-dimensional FDTD simulation of the transmission line theory, were set up different power resistance and load resistance, and can automatically generate .avi file playback.)

Differential Evolution for optimal power flow

图像隐藏和数字水印。采用在空域隐藏，在每个象素的bit位的低位藏入图片。采用在DCT系数上附加信息的方法进行。(image hiding and digital watermarking. Hidden in the airspace used in each pixel of the low bit-into the possession of photographs. Using the DCT coefficient Additional information on the methods.)

说明：  随机序列 实现随机序列 Random sequence (Random sequence )