encoder

解决霍夫曼树的编码问题，二进制和十进制数可以相互转换(Huffman coding problem solving tree, binary and decimal numbers can be converted to each other.)

reciver of qutature mirror filter

matlab解决0/1线性规划问题NP难题，(matlab solve the 0/1 linear programming problem NP problem,)

说明：  maltab j求解背包问题 遗传算法(maltab 0-1bag gasuanfa )

the program to run example

copmpute the risidual erro of travel time,always applied in Tomography

关于MTALAB的Forst滤波程序主体以及SAR图像的处理(Forst of MTALAB filter on the main program as well as the SAR image processing)

Matlab与C语言混合编程源代码，2012年出版的新书(Matlab and C language mixed programming source code, a new book published in 2012)

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )

双链量子遗传算法双链量子遗传算法双链量子遗传算法双链量子遗传算法双链量子遗传算法双链量子遗传算法(DOUBLE qGADOUBLE qGADOUBLE qGADOUBLE qGADOUBLE qGADOUBLE qGADOUBLE qGA)