信号与系统为广大学子提供信号系统处理的专业知识，里面包括各种要用到的公式以及原理分析-Signals and systems for the majority of students to provide expertise in signal processing systems, which include a variety of formulas and principles to use to analyze

主要是研究信号,系统与系统响应,用matlab实现,(Mainly study the signal, the system and the system response, matlab,)