Digital-Communication-题库-PPT课件PPT资料.ppt

Digital-Communication-题库-PPT课件PPT资料.ppt

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DigitalCommunications,HanYuBingTel：

@#@84303169Office：

@#@TheEOEbuilding,RoomA311,ConsiderthethreewaveformspassingthroughanAWGNchannelwithpowerspectrumdensityofN0/2.

（1）Findthebasisorthonormalfunctionsforthesesignals;@#@

（2）Usethebasisfunctionstorepresentthethreesignalsbyvectors,andplotthesignalspacediagramsforthesesignals;@#@（3）Determinethreelikelihoodfunctions,andshowwhichprobabilityoferrorislargest.,7,8,10,SignalsofNon-linearModulationwithMemory,Whenmiseven，thefullresponseCPMsignalsphasestatesWhenmisodd，thefullresponseCPMsignalsphasestatesIngeneralcase,whentheCPMsignalsareM-arymodulationandpartialresponsewithdurationLT,Lispartialresponsewaveformmemorylength;@#@Misthenumberofsymbols,3.AssumedthereareMsignalssm（t）,m=1,Mtobetransmittedwithequalenergyandprobability.ThedimensionalityofthesessignalsareN,andthechannelisAWGNchannelwithmeanzeroandvarianceN0/2.Thereceivedsignalisr（t）.

（1）PleaseplotthestructureoftheoptimumreceiverundertheMAPcriterionandbrieflyexplainit.,11,12,19,LowpassbandwidthW/2=1350Hz,f1,K=1,L=1,Eq.（9.4-439.4-47）,FinalExam,Writtenandopen-bookexamTime:

@#@TobedeterminedPlace:

@#@Tobedetermined,27,28,Thanksforyourattention!

@#@,