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1、1.1ATMX.25PSTNISDN1.21ModemPSTNModem300b/s56kb/s2xDSLPSTNDSLx3ISDNPSTNB64kb/sD16kb/s64kb/s4kb/OSITCP/IP1.10Xt2cos2tYX12cos2Y2cosYX(1)20P1/21/211EX120122;XtX12cos2Y2cosY22EXtXtEX0X1E2cosY2cosY4EcosY122121410222A1.11mtEXtAcoswtfdcoswtd0Xcc2Rt,tEXtXtAcoswtAcoswtfdXcc2211AAcos2wtw2coswdcoswccc
2、c22222AEX(t)R0X2Xt1TATXtl.i.mAcoswtdtl.i.mcoswtcossinwtsindtcccT2TTT2TTATAcossinwcTl.i.mcoscoswtdttl.i.m0cT2TTTwTc2ATXtXtl.i.mcoswtcoswtdtccT2TT2ATl.i.mcos2wtw2coswdtcccT4TT12Acoswc2XtXt1.12Nt,t00Poisson1N002Nt,t03t0,NttPoissonkttPNtkek0,1,2,k!kkk1ttttttENtkeketek0k!k1k!k1k1!ttteett022DtDN
3、tENtENtN2ENtENtNt1NtENtNt1ENtkk2tt2ttkk1ettetk0k!k2k2!2tt2teettt22DtttttNstRs,tENsNtENsN0NtNsNsN2ENsN0NtNsENs2ENsENtNsDNsENs22stsss22stsstmins,t2Rs,tstmins,tN1.13Nt,t0poissonYt,t0Zt,t0t0PYtkPNtiPYtkNtii0ikikttkkikptt1pteCp1peiikki!k!iik!kmkptt1ptptpteek0,1,2k!m0m!k!t0Yt^pt,Yt,t0ppoissonPZt
4、kPNtiPZtkNtii0ikikttkkik1pttpteC1ppeiikki!k!iik!kmk1pttpt1pt1pteek0,1,2k!m0m!k!t0Zt^1pt,Zt,t01ppoissonktt1.14PNtkek0,1,2,k!3t121PN40eet42Nt,t00Poisson,n1,2,n1,2,nnnn1ttet0ftn1!n0t03ttft3ee1ttttFtedede1et01003tFt1et0131.151>2>3>01001/94/94/9004/94/91/900104>5>1.16PrimDijkstraKruskal2.12.2C0
5、C0103687DBDCDBDCDCDDDBDDC07C8DDCDBDCC0.7C8DDCC02.30110111110001111101010111110111110011110100111111011111011001111100111110111110110001111110FlagFlag1011111052.40100101101111101111110111110101111110550101Flag2.5SSSCCCC12312341001011CSSS11230101101CSS2230011110CSS11001103131010101CSS4121111
6、00000000000110011444375434232.6DSDDDD1DDDDDDD1D3D4276543DDD1D0DDD0D76543D0DDDD3D4DSD3DgDiLiLiDDD2.71CDRemainderRemaindergDgDK1K1K21iSDSDSDSDSSDK1K210ii0K1iLSDDLiSDDi0CDRemainderRemaindergDgDCRCK1iLK1DiRemainderSSCDiii0gDi0K1iiL1iii2CDCDCDCCDSCDL110ii0K1iL1iiCDSCDCDCiL110i0K1K1K1K1iL1iL2iiS
7、CDSCDSCDSCiL1iL2i1i0i0i0i0i0L1L2CDCDCDCDCL1L210K1iCSC0jLjiji02.8BCB2.9ARQ2A1SN02SN3SNB4BRR2.10Nii11i1Ni1i11NTrmaxNTTrr2.11211acAB32001282.13T0.05sTs0.0020.015sP3ACK3641064108204110TT2PACK82026119TT2PACK3820a.164000.082s0.05820b.157690.134s0.0521P2.14ARQUmax121
