“信号与系统”是电气工程、电子信息工程、通信工程和自动化等本科专业最重要的基础课程之一。本教材对应于“信号与系统”全国双语示范课程。书中凝练了作者多年的教学经验及心得，针对国内双语及全英文教学现状，力求培养学生的自学能力和分析问题的能力。 本书： 1）文字简练, 内容安排上采用模拟-离散双域交替的方式。 2）在处理常系数线性微分（差分）方程及由其描述的线性时不变系统与变换的关系上有独到之处。 3）知识体系完整，系统及逻辑性强, 同时也适用于自学。详见书中前言（Preface）部分。

Preface The concepts of signals and systems are the corner-stone of a wide variety of areas, ranging from home-oriented consumer electronics and multimedia entertainment products to sophisticated communications, aeronautics and astronautics, and control. The ideas and approaches associated with these concepts have great e.ects on our life in one way or another. Although the signals and systems which arise across those .elds are naturally di.erent in their physical make-up and application, the principles and tools for analyzing signals and systems are the same and hence applicable to all of them. Therefore, an introductory course on signals and systems is fundamental and compulsory for an e...