6、ulationsystemofQAM; andtherealizationmethodof analogsignal digital basic theory indetail, realizethedifferenceof Simulinksimulationandperformancecomparisonof sub pulsecodemodulation; construction simulation source QAMtransmissionsystem basedonthetheory,
7、 and validationofsimulation andperformancemodeling usingMatlab/Simulink.Keywords:QAM;Quadratureamplitudemodulation;Differentialpulsecodemodulation;Modelingandsimulation目录第一章绪论11.1选题背景......................................................................