frequencyoffsetestimateofdm

说明：  （1）应用9×9的窗口对上述图象进行随机抽样，共抽样200块子图象； （2）将所有子图象按列相接变成一个81维的行向量； （3）对所有200个行向量进行KL变换，求出其对应的协方差矩阵的特征向量和特征值，按降序排列特征值以及所对应的特征向量； （4）选择前40个最大特征值所对应的特征向量作为主元，将原图象块向这40个特征向量上投影，所获得的投影系数就是这个子块的特征向量。 （5）求出所有子块的特征向量。 ((1) the application of 9 × 9 window of these images at random, a total sample of 200 sub-image (2) all sub-images according to out-phase into a 81-dimensional row vector (3) all 200 lines for KL transform vector, derived its corresponding covariance matrix of eigenvectors and eigenvalues, in descending order by eigenvalue and the corresponding eigenvector (4) a choice to 40 corresponding to the largest eigenvalue eigenvector as the PCA, the original image block to the 40 feature vectors on the projection, the projection coefficients obtained by this sub-block eigenvector. (5) calculated for all sub-block eigenvector.)

本设计采用了一种基于三参数组合的方法对语音信号进行了清/浊音判决。在传统两参数（短时能量和过零率）算法基础上增加了自相关函数作为判决参数，减少了清/浊音信号误判率。(This design uses a combination of methods based on three parameters of the voice signals of the Qing/voiced sentence. In the traditional two parameters (short-term energy and zero crossing rate) algorithm based on the increase since the correlation function as a decision parameter, reducing the clearance/voiced signal false positives.)

解决麦克斯韦的matlab源文件，简洁而且实用(Matlab solve Maxwell)

这个Matlab程序实现一个基于活动轮廓的边缘检测，而不进行重新初始化。(The Matlab program of active contour based on edge detection, rather than re-initialization.)

说明：  多普勒效应分析及模拟 详细分析了多配了效应得情形。用MATLAB模拟并得到频移图谱(Multipath and Doppler Effects and Models)

一种信号自适应处理方法，通过 提取频域极大值点自适应地分割傅里叶频谱以分离不同的模态,此方法为经验小波变换(A method of adaptive signal processing, Empirical wavelet transform)

原始单纯形法（大M法，无需给出初始基变量）。输入：C是n维行向量，A是m*n的系数矩阵，b是m维列向量 输出：x最优解（如果有的话），fval最优值，flag解的状态说明，interation求解时的循环次数(The original simplex method (big M method, without giving the initial basic variable). Input: C is the n-dimensional row vector, A is the coefficient matrix of m* n, b is the m-dimensional column vector Output: x the optimal solution (if any), fval optimal value, flag state solution description, interation when the number of cycles to solve)

数字图像处理运用matlab实现3D透视投影(Digital image processing using matlab to achieve 3D perspective projection)

此程序演示了如何在Matlab中调用Fortran77编写的函数，包含参数虚实结合应该注意的问题。(illustrate how a MATLAB program can call a FORTRAN77 function, passing data to the function, and receiving results from the FORTRAN77 function.)

基于小波基的StOMP算法，用于压缩感知(StOMP algorithm based on wavelet for compressive sensing)