中文说明：
应用MATlAB语言处理数字信号与数字图像（陈桂明 编著），一本学习信号处理的书籍，包含了应用MATLAB处理信号的各种问题和方法。
English Description：
Using MATLAB language to process digital signals and digital images (edited by Chen Guiming), a book on learning signal processing, contains various problems and methods of using MATLAB to process signals