信号与系统第二章习题解答课件

Chapter2LTISystems作业：2.12.52.72.102.112.122.22(a)(c)2.202.232.402.462.471Chapter2ProblemsSolution-101234n2.1Computeandploteachofthefollowingconvolutions:2Chapter2ProblemsSolution2.5DeterminethevalueofN.3Chapter2ProblemsSolution2.7AlinearsystemShastherelationshipbetweenitsinputandoutput(c)Sistime-varying.4Chapter2ProblemsSolution2.10Supposethat(a)Determine(b)Ifcontainsonlythree discontinuities,whatisthevalueofa?Solution：0a11+at52.20.Evaluatethefollowingintegrals:Chapter2ProblemsSolution8Chapter2ProblemsSolution9Chapter2ProblemsSolution2.22(c)oneperiodof10Chapter2ProblemsSolution2.23DetermineandsketchforthefollowingvalueofT:(a)T=4(b)T=2(c)T=3/2(d)T=111Chapter2ProblemsSolution(a)T=4-5-4-3-10135t(d)T=10t-3-1013t(b)T=20t(c)T=3/212Chapter2ProblemsSolution2.40(a)anLTIsystem:Whatistheimpulseresponseforthissystem?(b)Determinetheresponseof13Chapter2ProblemsSolution2.46ConsideranLTIsystemSandasignalandIfDeterminetheimpulseresponseofS.14Chapter2ProblemsSolution2.47AnLTIsystemwithimpulseresponse02tIneachofthesecases,determinewhetherornotwehaveenoughInformationtodeterminetheoutputWehavenotenoughinformationtodeterminetheoutput15例1已知一LTI系统在输入信号的作用产生的输出为试求该系统在信号的作用产生的输出。时域分析例题02t1012t1L04t10123t1-116时域分析例题-1/201t1-101t1L-1/201/213/2t11/23/2L-1-1/201/213/2t11/23/217时域分析例题012t1-101234t1-10123t118例2 一LTI系统的单位假设输入信号为单位阶跃冲激响应如图所示，信号，试求其输出时域分析例题19时域分析例题例3图1所示的LTI的单位冲激响应如图2所示，若子系统，试求子系统的单位冲激响应。图120时域分析例题例4离散时间信号，要求：1.画出的波形；2.求出满足