DCT

x0 = ones(2,2) Make a starting guess at the solution options = optimset( Display , off ) Turn off Display [x,Fval,exitflag] = fsolve(@myfun,x0,options) The solution is x = -0.1291 0.8602 1.2903 1.1612 Fval = 1.0e-009 * -0.1619 0.0776 0.1161 -0.0469 exitflag = 1 and the residual is close to zero. sum(sum(Fval.*Fval)) ans = 4.7915e-020

二维doa估计esprit算法程序，可以较快的对目标doa进行二维角度估计(2D esprit algorithm)

SourceBlock needed when using Matlab 2006 or lower on Matlab 2007 or higher.

matlab demo code .. .. .. ..

Color correction for tungsten,daylight,fluorescent illuminant image

一个简单的m序列产生函数，通过调用primpoly获得本原多项式，然后通过移位循环寄存器产生所需要的序列。自相关图形上能看到峰值旁瓣电平(PSL)和积累旁瓣电平(ISL)。(A simple code for generate m-series pseudo-random sequence based PRIMPOLY function which we get the prime polynomials first,then we get the feedback connect coefficient of the cycle shift registers which generate m-series sequency. the PSL and ISL of autocorrelate function is computed on the figure. )

两电平和三电平的仿真模型和配套论文，便于学习，三电平的逆变器仿真(Three-level Inverter Simulation)

对基于四阶累积量的MUSCI算法进行去冗余，把多余的冗余数据剔除，在保持良好分辨率的基础上也降低了运算复杂度。(Fourth-order cumulant-based algorithm to the MUSCI redundant, removed the extra redundant data, while maintaining good resolution also reduced on the basis of computational complexity.)

包含各种自适应滤波程序，线性、非线性，FIR及IIR,matlab实现(Program includes a variety of adaptive filtering, linear, nonlinear, FIR and IIR, matlab implementation)

求混沌时间序列K熵(Kolmogorov Entropy)STB算法(Seeking chaotic time series K entropy (Kolmogorov Entropy) STB algorithm)