OFDM

说明：  一个和数据库连接的差别矩阵matlab源代码，自己编写的，有需要的可以看看。(And the difference between a database connection matrix matlab source code, I have written, and there is a need that can take a look at.)

Motion estimation 4ss algorithm

matlab编写的DEA模型程序,C2R模型的求解，测试可用(DEA based on matlab)

matlan语言编写的加入白噪声后的地震加速度记录。(matlan language added white noise earthquake acceleration records.)

计算任意两点（给定经纬度）的球面距离，并画出轨迹图。(Calculating any two points (given the latitude and longitude) of the spherical distance, and draw trajectories.)

说明：  非线性最小二乘优化问题以误差的平方和最小为准则来估计非线性静态模型参数的一种参数估计方法。设非线性系统的模型为y=f(x，θ)，常用于传感器参数设定。(64/5000 A parameter estimation method based on the minimum sum of squares of errors. Suppose that the model of the nonlinear system is y=f(x,), which is commonly used for sensor parameter setting.)

关于matlab主元分析的一个简单的实例，可供初学者参考学习。(Matlab PCA on a simple example of reference for beginners to learn.)

one-to-all communication on ring topology

说明：  基于bp神经网络的遥感图像的分类和识别的MATLAB实现(Bp neural network-based remote sensing image classification and recognition of the MATLAB implementation)

农田多标记小图，可以用以极化SAR分解和半监督极化SAR分类。(Farmland multi-label small map, can be used to polarimetric SAR polarimetric SAR decomposition and semi-supervised classification)