内容简介
本书是MIT电气式工程与计算机本科生教材。主编Oppenheim教授是本领域中的一个权威,在国际上享有盛名。相对于第1版,本书在内容编排上又进行了大幅度精心调整,各章节在内容编排上又进行了大幅度精心调整,各章之间的关系更合理,且充实了更丰富的内容,加强了实际应用方面的知识。全书共11章,分别为:信号与系统、线性时不变系统;周期信号的傅里叶级数表示;连续时间傅里叶变换;离散时间傅里叶变换;信号与系统的时域和频域特性;抽样;通信系统;拉普拉斯变换;Z变换;线性反馈系统。每章配有不同层次的习题,书后附有答案。“信号与系统”不仅是弱电类本科生必修的基本课程,?遥魑每纬毯诵牡囊恍┗靖拍詈头椒ǎ运惺娇谱ㄒ道此狄彩欠浅V匾摹?
目录
PREFACE?XVII
ACKNOWLEDGMENTS?XXV
FOREWORD?XXVII
1?SIGNALS?AND?SYSTEMS?l
l.0?Introduction?1
1.1?Continuous-Time?and?Discrete-Time?Signals?l
l.l.l?Examples?and?Mathematical?Representation?l
I.l.2?Signal?Energy?and?Power?5
l.2?Transformations?of?the?Independent?Variable?7
l.2.l?Examp1es?of?Transformations?of?the?Independent?Variable?8
l.2.2?Periodic?Signals?ll
I.2.3?Even?and?Odd?Signals?l3
1.3?Exponential?and?Sinusoidal?Signals?14
l.3.l?Continuous-Time?Complex?Exponential?and?Sinusoidal?Signals?l5
l.3.2?Discrete-Time?Complex?Exponential?and?Sinusoidal?Signals?2l
l.3.3?Periodicity?Properties?of?Discrete-Time?Complex?Exponentials?25
1.4?The?Unit?Impulse?and?Unit?Step?Functions?30
l.4.1?The?Discrete-Time?Unit?Impulse?and?Unit?Step?Sequences?30
l.4.2?The?Continuous-Time?Unit?Step?and?Unit?lmpul8e?Functions?32
l.5?Continuous-Time?and?Discrete-Time?Systems?38
l.5.l?Simple?Examples?of?Systems?39
1.5.2?Interconnections?of?Sy..