vtoolbox

matching pursuit 算法，matlab实现，信号稀疏分解方式的一种，适合与信号在超完备的原子库中稀疏分解。matchingpursuit.m(A matching pursuit algorithm. It fits data from a set of dictionary elements by orthogonally projecting the data onto elements of the dictionary of vectors such that the energy in each projection is maximized. In constrast to G-S, the residual is orthogonalized, not the basis vectors)

该程序用Matlab实现hilbert-huang变换，含EMD，HHT，边际谱等，有一些实例，较完善。(The program uses Matlab to achieve hilbert-huang transform, including EMD, HHT, the marginal spectra, there are some instances better.)

可设置函数曲线图视角的用户界面.分别包括红、绿、蓝色通道(Can be set to function graph view of the user interface, respectively include red, green, blue channel)

用matlab语言的基本实例程序和一些基本语句的说明，分为十一章和一个文档(Using matlab language instance of the program and a description of some basic statements, is divided into eleven chapters and a document)

MATLAB 牛顿下山法的一个小程序，原理就不详细说了。因牛顿迭代法受初值选取的限制，为防止迭代发散，对迭代过程再附加一项要求:|f(x(k+1))|<|f(x(k))|,将牛顿法迭代的结果:x(k+1) =x(k)-f(x(k))/f (x(k))和前一近似值x(k)适当加权平均做为新的改进值:x(k+1)=u*x(k+1) +(1-u)*x(k),其中u(0<> 迭代时u取1开始，逐次减半计算，直至附加要求符合为止。实例计算中x(k)=x(0)不变，只更新u和x(k+1)，直至:|f(x(k+1))|<|f(x(k))|（即|f(x(1))|<|f(x(0))|)，然后更新下山因子为u=1,继续以牛顿法迭代。(MATLAB Newton-down a small program, the principle is not explained in detail. Newton iteration by the initial value of the selected limit, in order to prevent additional iterative divergence, the iterative process a request: | f (x (k+1)) | < | f (x (k)) | Newton iteration Results: x (k+1) ' = X (k)-f (x (k))/f' (x (k)) and a previous approximation x (k), appropriately weighted average as a new improved value: x (k+1 ) = u* x (k+1) ' + (1-u)* x (k), where u (0 < u> iteration take successive calculated at 50 until the additional requirements found so far. examples of calculation of X ( k) = x (0) unchanged profile u and x (k+1, hungry) until: | f (x (k+1)) | < | f (x (k)) | (i.e. | f (x (1)) | < | f (x (0)) |), then profile downhill factor for u = 1, to continue to Newton iteration.)

双极性PWM整流,整流结果电流电压同相位(Bipolar PWM rectifier)

高分辨率雷达信号处理，PDF文档，送给感兴趣的朋友。(high-resolution radar signal processing, PDF files, as well as to interested friends.)

产生特定频率的雷克子波的MATLAB源代码，可帮助地球物理专业的学生进行合成地震记录。(function that generates a ricker wavelet of specified frequency ricker(sampling interval , number of samples , wavelet frequency))

对matlab工具箱中的FCM相关函数进行改进，模糊c-均值有效性检验(Matlab toolbox for FCM-correlation function to improve the effectiveness of fuzzy c-means test)

matlab isolated word recognition database