信号与系统第二章习题解答.ppt

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1、Chapter2ProblemsSolution-101234n2.1Computeandploteachofthefollowingconvolutions:1Chapter2ProblemsSolution2.5DeterminethevalueofN.2Chapter2ProblemsSolution2.7AlinearsystemShastherelationshipbetweenitsinputandoutput(c)Sistime-varying.3Chapter2ProblemsSolution4Chapte

2、r2ProblemsSolution2.10Supposethat(a)Determine(b)Ifcontainsonlythreediscontinuities,whatisthevalueofa?Solution：0a11+at5Chapter2ProblemsSolution0a11+at1-1Ifa=1，containsonlythreediscontinuities.2.11Let(a)Compute(b)Compute(c)Howisrelatedto6Chapter2ProblemsSolution7Cha

3、pter2ProblemsSolution8Chapter2ProblemsSolution2.12LetShowthatforDeterminethevalueofA.92.20.Evaluatethefollowingintegrals:Chapter2ProblemsSolution10Chapter2ProblemsSolution2.2211Chapter2ProblemsSolution(c)oneperiodof0t<0,t>212Chapter2ProblemsSolutionOr13Chapter2Pro

4、blemsSolution2.23DetermineandsketchforthefollowingvalueofT:(a)T=4(b)T=2(c)T=3/2(d)T=114Chapter2ProblemsSolution(a)T=4-5-4-3-10135t(d)T=10t-3-1013t(b)T=20t(c)T=3/215Chapter2ProblemsSolution2.40(a)anLTIsystem:Whatistheimpulseresponseforthissystem?(b)Determinetheresp

5、onseof(a)16Chapter2ProblemsSolution2.46ConsideranLTIsystemSandasignalandIfDeterminetheimpulseresponseofS.17Chapter2ProblemsSolutionSolution：theimpulseresponse18Chapter2ProblemsSolution2.47AnLTIsystemwithimpulseresponse02tIneachofthesecases,determinewhetherornotweh

6、aveenoughInformationtodeterminetheoutput02t024t19Chapter2ProblemsSolution012tWehavenotenoughinformationtodeterminetheoutput-20t20Chapter2ProblemsSolution02t2.24FindtheimpulseresponseFindtheresponseoftheoverallsystemtotheinput21Chapter2ProblemsSolution(a)22(b)Chapt

7、er2ProblemsSolution23