《信號(hào)與系統(tǒng)》第二章習(xí)題解答

Chapter2LTISystems作業(yè)：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+at52.11Let(a)Compute(b)Compute(c)HowisrelatedtoChapter2ProblemsSolution6Chapter2ProblemsSolution2.12LetShowthatforDeterminethevalueofA.72.20.Evaluatethefollowingintegrals:Chapter2ProblemsSolution8大家有疑問(wèn)的，可以詢(xún)問(wèn)和交流可以互相討論下，但要小聲點(diǎn)9Chapter2ProblemsSolution10Chapter2ProblemsSolution2.22(c)oneperiodof11Chapter2ProblemsSolution2.23DetermineandsketchforthefollowingvalueofT:(a)T=4(b)T=2(c)T=3/2(d)T=112Chapter2ProblemsSolution(a)T=4-5-4-3-10135t(d)T=10t-3-1013t(b)T=20t(c)T=3/213Chapter2ProblemsSolution2.40(a)anLTIsystem:Whatistheimpulseresponseforthissystem?(b)Determinetheresponseof14Chapter2ProblemsSolution2.46ConsideranLTIsystemSandasignalandIfDeterminetheimpulseresponseofS.15Chapter2ProblemsSolution2.47AnLTIsystemwithimpulseresponse02tIneachofthesecases,determinewhetherornotwehaveenoughInformationtodeterminetheoutputWehavenotenoughinformationtodeterminetheoutput16例1

已知一LTI系統(tǒng)在輸入信號(hào)的作用產(chǎn)生的輸出為試求該系統(tǒng)在信號(hào)的作用產(chǎn)生的輸出。時(shí)域分析例題02t1012t1L04t10123t1-117時(shí)域分析例題-1/201t1-101t1L-1/201/213/2t11/23/2L-1-1/201/213/2t11/23/218時(shí)域分析例題012t1-101234t1-10123t119例2

已知一LTI系統(tǒng)的單位若輸入信號(hào)為單位階躍沖激響應(yīng)如圖所示，信號(hào)，試求其輸出時(shí)域分析例題20時(shí)域分析例題例3

圖1所示的LTI的單位沖激響應(yīng)如圖2所示，若子系統(tǒng)，試求子系統(tǒng)