centralldiifference

％ 文件名：randlsbget.m ％ 程序员:余波 ％ 编写时间:2007.6.25 ％ 函数功能: 本函数将完成提取隐秘于上的秘密信息 ％ 输入格式举例:result=( scover.jpg ,56, secret.txt ,2001) ％ 参数说明: ％ output是信息隐藏后的图象 ％ len_total是秘密信息的长度 ％ goalfile是提取出的秘密信息文件 ％ key是随机间隔函数的密钥 ％ result是提取的信息 function result=randlsbget(output,len_total,goalfile,key) ste_cover=imread(output) ste_cover=double(ste_cover) ％ 判断嵌入信息量是否过大 [m,n]=size(ste_cover) frr=fopen(goalfile, a ) ％ p作为信息嵌入位计数器将信息序列写回文本文件 p=1 ％ 调用随机间隔函数选取像素点 [row,col]=randinterval(ste_cover,len_toal,key) for i=:len_toal if bitand(ste_cover(row(i),col(i)),1)==1 fwrite(frr,1, bit1 ) result(p,1) else fwrite(frr,0, bit1 ) result(p,1)=0 end if p==len_total break end p=p+1 end fclose(frr) ()

人工鱼群算法供初学者下载学习，有错误的地方尽情修正(Download artificial fish school algorithm for beginners to learn, there are amendments to the wrong place enjoy)

A Comparison Between the Firefly Algorithm and Particle Swarm Optimization

包含了OFDM同步的传统方案，及相关算法的同步算法，还包括改进方案和理想同步方案，并且作图(This program includes OFDM code synchronized algorithm)

空间谱估计MUSIC解相干算法中的矩阵分解算法。能够很好的提高MUSIC算法对于相干信号的处理性能(MUSIC spatial spectrum estimation algorithm for Coherent Matrix decomposition algorithms. MUSIC algorithm can well improve the processing performance for coherent signals)

cdma2000的上行链路的仿真，包括编码，发送，信道，解码，rake接收等功能，完全是matlab仿真。(cdma2000 uplink simulation, including encoding, sending, letters, decoding, rake receiver functions is completely Matlab simulation.)

this is real fuzzy matlab code is hard5

脉冲响应的相关分析算法并检验，多元数据分析的主分量分析投影，相控阵天线的方向图（切比雪夫加权）。( Related impulse response analysis algorithm and inspection, Principal component analysis of multivariate data analysis projection, Phased array antenna pattern (Chebyshev weights).)

三相电压型PWN整流器的基于模型预测的直接功率控制，稳态时，直流电压纹波小，交流侧电流谐波含量小，功率因素为1(Three phase voltage source PWN rectifier based on the model predictive direct power control, steady state, the DC voltage ripple is small, the AC side current harmonic content is small, the power factor is 1)

A class representing products of matrices, internally storingmanipulating them separately