Matlab7DSP

现代通信系统书第四章程序（电子工业出版社）(Modern communications systems book chapter IV procedures (Electronics Industry Press))

通过像素复制放大或缩小图像实验，imgchang1函数为缩小图像，imgchang2函数为放大图像(By pixel replication zoom in or out experiments, imgchang1 function to narrow the image, imgchang2 function enlarge image)

此M文件是当进行批处理时，批量的查询所需的文件(When performing batch processing, batch files needed for the query)

基于RANSAC算法的基础矩阵求解相机的参数(The fundamental matrix based on RANSAC algorithm to solve the camera parameters)

digital modulation technique QAM

Gardner 方法时间同步，时间同步非常重要的方法(Gardner way for time-sychronizing)

a simple transmit diversity technique for wireless communications

求希尔伯特变换后的瞬时频率,经过信号的解析，反正切变换，求导得出(instant frequency)

说明：  CRLB 距离仿真计算，基于matlab2017版本编写(CRLB simulation of distance)

Hilbert-huang变换代码,主要实现HHT变换中EMD分解的Matlab程序，已经通过实际调试，附运行效果bmp图，若参数稍加修改，可对不同信号进行多模态分解。(HHT transform EMD decomposition Matlab program, through the actual commissioning, operating results bmp attached map parameters slightly modified, different signals can be multi-modal decomposition.)