per_nr_hard

matlab常用函数集锦，对初学matlab的人会有帮助。(Collection of commonly used functions matlab, matlab for beginners will help the person.)

SART algorithm for image reconstruction

DM算法实现水印的嵌入和提取，内有实验用图，可以直接运行。(DM algorithm for watermark embedding and extraction, within the experimental map, you can run directly.)

在MATLAB实现的用C实现的KNN算法，输入训练数据文件，和test文件，进行预测分类，并且可以与真实情况比较测试预测正确百分比(Implemented in MATLAB KNN algorithm implemented in C, the input training data file, and test files, to predict the classification and testing with the real situation is more correct percentage of predicted)

一个关于机器人轨迹规划的小程序，感觉不错，自己写的，希望对大家有帮助(IT IS about robot,in matlab,maybe it is useful to you ,hope you will like it)

ARMA模型的matlab代码，详细，有注释(ARMA model matlab code, detailed, annotated)

Generation Travelling sellman

通过N个独立的正弦函数叠加来产生窄带噪声(Narrow Noise Generation from N sine function)

说明：  dijkstra算法求最短路径及路径标号的matlab实现(dijkstra，shortest path)

均匀圆阵的常规波束形成，没有使用自适应波束形成。uniform circle array beamform(uniform circle array beamform)