FRFT

matlab code for tube count determination shell and tube heat exchanger..remain part will be uploaded

读入COMSOL软件所生成的二维mphtxt三角形网格文件，读入相关网格的节点、三角形单元，边界信息。调用此函数时应将包含相关的路径与文件名的字符串作为输入参数。包 中包含了一个m函数文件与一个示例网格数据文件。 (read the information of 2-d triangle mesh file--*.mphtxt generated by COMSOL. The input parameter is the path and name of mesh file. A matlab source file and mesh file is included in it.)

通过给定天线阵列的参数，计算出切比雪夫馈电电流分布，并计算出方向图(By giving the parameters of the antenna array, the current distribution of the Chebyshev feed current is calculated and the direction map is calculated.)

说明：  递推的极大似然法辨识程序 用递推的极大似然法对系统辨识的参数集 (recurrence of maximum likelihood method recursive identification procedures used by maximum likelihood method of system identification parameter sets)

Vth system calculation

卡尔曼滤波器在GPS导航中的一些应用，包括滤波算法和一些误差分析(Kalman filter in GPS navigation in a number of applications, including filtering algorithms and error analysis of some)

本程序是建立了三维椭球随机分布模型，并绘制出分布图像。(This procedure is to establish a three-dimensional ellipsoid model of random distribution, and to map out the distribution of the image.)

MATLAB实现大气湍流随机相位屏，以傅里叶变换为基础，增加了低频次谐波补偿 使相位屏仿真更加准确(atmosphere random phase is realized with MATLAB.)

利用最小距离分类器分类３种鸢尾属植物 load fisheriris 载入Matlab自带的鸢尾属植物数据集 每类的前40个样本用于生成代表该类的模板，后10个作为独立的测试样本(Plant data sets The first 40 of each class used to generate the samples representative of the class template 10 after the test sample as separate)

Matlab用小波神经网络变换对时间序列信号进行预测(Matlab neural network with wavelet transform to predict the time series signal)