SPIHT

这是matlab灰度差程序，其中包含阈值的获得和镜头突变的检测，适合初学者(This is a gray-scale difference matlab program, which includes access to the threshold of detection of mutations and lens, suitable for beginners)

说明：  用matlab实现巴特沃斯高通和低通滤波滤波，对图像进行相应的处理(Using matlab to achieve Butterworth high-pass and low-pass filtering filtering, the image corresponding treatment)

Contain two matlab code : - ApEn and per_entr to calculate entropy of permutation

基于均匀线阵与圆阵的旋转不变算法的Matlab实现、性能分析和比较(Matlab implementation, performance analysis and comparison of the rotation invariant algorithm based on uniform linear array and circular array)

说明：  simulink初学者快速入门的好帮手，我开始就是学的这个，很快入门(good)

simulation elman neuron control temperature

是本科毕设的题目，相控阵天线的方向图（切比雪夫加权），包含特征值与特征向量的提取、训练样本以及最后的识别，是机器学习的例程，采用累计贡献率的方法，基于人工神经网络的常用数字信号调制，信号处理中的旋转不变子空间法。( The title of the commercial is undergraduate course you Phased array antenna pattern (Chebyshev weights), Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Machine learning routines, The method of cumulative contribution rate The commonly used digital signal modulation based on artificial neural network, Signal Processing ESPRIT method.)

说明：  对新冠肺炎病例传播数据进行清洗，并进行可视化，包含流向地图和桑基图。(The novel coronavirus pneumonia transmission data were cleaned and visualized, including flow maps and sonkey maps.)

对一幅图像实现不同角度的旋转，从而可以观察不同角度的结果。( rotate_image- rotates an image given inside a matrix by the amount of "degree" counter-clockwise using linear interpolation of the output grid points from the back-rotated input points in this way, the output image will never have a "blank" point)

说明：  分类器分类器分类器分类器分类器分类器分类器分类器分类器(classion classionclassionclassionclassionclassion)