ROMBERG

这是在MATLAB下生成的彩色条纹,对于傅里叶变换很有用,可以扩大实验的研究范围,更好的设计实验(This is generated in the MATLAB color stripes, for the Fourier transform useful in expanding the scope of experimental research, and better design of experiments)

PCA的步骤： 1 先将数据中心化； 2 求得的协方差矩阵； 3 求出协方差矩阵的特征值与特征向量； 4 将特征值与特征向量进行排序； 5 根据要降维的维数d’,求得要降维的投影方向； 6 求出降维后的数据； (PCA steps: 1 of the first data center 2 covariance matrix obtained 3 obtained covariance matrix eigenvalues and eigenvectors 4 eigenvalues and eigenvectors will be sorted 5 according to the dimension of dimension reduction d ' , seek to reduce the dimension projection direction 6, the data obtained after the dimensionality reduction )

说明：  这是一个建立在OMP算法基础上，笔者自己提出来的一个稀疏分解的DOA估计算法，利用阵列流形矢量间的不相关进行匹配追踪选择，选出与信源位置流形最接近的，以便求得DOA(This is a building based on the algorithm of OMP, the author himself a sparse decomposition algorithm for DOA estimation, using the array manifold a vector between the related matching track selection, and choose the source position manifold closest, in order to obtain DOA)

历届数学建模大赛的MATLAB的M文件，较为齐全。(Past mathematical modeling contest MATLAB M-files is complete.)

说明：  读、写surfer文本的GRD格式的matlab程序，适合不需要插值的数据读写，比surfer自带的数据网格化功能处理的速度要快几十倍、甚至上百倍，可以处理大容量数据。(Reading and writing text surfer GRD format matlab program for reading and writing data without interpolation, the grid than the surfer' s own data processing capabilities several times faster, or even a hundred times, can handle large amounts of data.)

物体姿态解算算法子程序，包涵了各种在姿态解算仿真是需要用到的子程序，(The object attitude solution to calculate another way the program encompasses a variety of attitude solution simulation is the need to use a subroutine,)

实序列FFT快速算法，用N点FFT计算2N点实序列的FFT，比直接进行2N点FFT运算减少一半运算量。(Real sequence FFT fast algorithm, using N-point FFT calculation 2N point real sequence of FFT, than the direct 2N-point FFT computation halved.)

Spread Spectrum Watermarking MATLAB

说明：  thanks it useful ihope to used

完整的谱聚类运算过程，使用了杰卡德相似系数求取相似性矩阵。(Complete spectral clustering process)