rr440

说明：  集合卡尔曼滤波(EnKF) 数据同化方法可以避免了EKF 中协方差演变方程预报过程中出现的计算不准确和关于协方差矩阵的大量数据的存储问题,最主要的是可以有效的控制估计误差方差的增长,改善预报的效果。(Ensemble Kalman Filter (EnKF) data assimilation methods can be avoided in the EKF covariance forecasting the evolution equation arising in the course of the calculation is not accurate and on the covariance matrix of a large amount of data storage problems, the most important and effective control can be estimated error variance of the growth, improvement in forecasting results.)

程序是采用SA方式求解MDVRP问题，先对MDVRP问题进行分组，将其转化成SDVRP问题，然后采用SA算法进行计算。(this program is used to solve MDVRP problem by SA.)

数值分析中运用matlab用hermit插值多项式逼近函数(Numerical analysis using matlab function hermit interpolation polynomial approximation)

严格的衍射积分计算，实现光栅结构透过反射场2维分布的严格解计算，利用散射积分对耦合模方程进行严格计算解 衍射，光栅，场，二维，积分，散射矩阵，耦合模理论(Strict calculation of the diffraction integral, the grating structure is realized through the rigorous solution of the 2 dimensional distribution of the reflection field. Diffraction, grating, field, two-dimensional, integral, scattering matrix, coupled mode theory)

本程序求相关性K值大小，采用傅里叶矩阵和haar矩阵内积。(The procedures for seeking the size of the K value of the correlation, the use of the Fourier matrix and haar matrix of inner product.)

相场法材料计算的model C-pure对应的基础相场计算代码，初学者可取(The phase field calculation code corresponding to the model C-pure calculated by the phase field method material is suitable for beginners.)

说明：  多元线性回归的C++源码，在VC6.0上可直接运行！(Multiple Linear Regression C++ source code, can be directly run in VC6.0!)

文章由重力和重力梯度的基本理论出发，讨论了重力分量和重力梯度张量分量的2-D傅立叶变换 与重力位的傅立叶变换之间的关系。推导了航空重力梯度仪的测量原理，并对航空重力梯度测量的 应用做了简要的介绍(Article by gravity and gravity gradient of the basic theory, discussed the components of gravity and gravity gradient tensor component of the 2-D Fourier Transform and gravity places the relationship between the Fourier transform. Derivation of the airborne gravity gradiometer measuring principle, and airborne gravity gradient measurements application to do a brief introduction)

基于K均值的PSO聚类算法,matlab小波分析程序，小波包分析提取振动信号中的特征频率。( K-means clustering algorithm based on the PSO, matlab wavelet analysis program, Wavelet packet analysis to extract vibration signal characteristic frequency.)

RD成像算法，快速傅里叶变换函数，适合学习(RD imaging algorithm, fast Fourier transform function, suitable for learning)