微波光子qam信号产生方法研究

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1、ᑖ：TN957ᦻ：102870415-S106ᑖ：081001ắᦻᐝQAMẆẆ⁑!、#$%&'()Ẇᔣᐝᜐᳮᢣ.ᦟ0123ᦟᣴᓭ6787ᜩᜧẆ▾ᵯ'=>▾?o—ABᓝ?ᨴ万方数据万方数据NanjingUniversityofAeronauticsandAstronauticsTheGraduateSchoolCollegeofElectronicandInformationEngineeringStudyonGenerationofQAMSignalwithMicrowavePhotonicsTechnolo

2、gyAThesisinCommunicationandInformationSystemByYanhuiXuAdvisedbyAssociateProf.LiYongSubmittedinPartialFulfillmentOftheRequirementsfortheDegreeofMasterofEngineeringDecember,2014万方数据万方数据EFGHIJKᡠᕈNḄắᦻPHIᙠ.0ᢣ.RSTḄẆ=UVWXḄẆᡂZ。◀]ᦻᱯ_`a᪗cdefḄᙢ᜜，ᦻjᒹlᐸnIopq⊤ᡈtᑏvḄẆᡂZ，wjᒹlxyXᓭ6787ᜩᜧᡈᐸnᦟz{᪀Ḅᡈ}G~ᵨvḄ

3、ᩞᧇ。HIᣴᩗᓭ6787ᜩᜧaᦻḄᐰᡈᑖᑁᐭᨵᐵᦪST，aᵨᓺ、ᓺᡈᑴ、ᦻ。(¡Ḅᦻᙠ¢¡£〉ᵨHEFG）Uὅ§:¨©:万方数据万方数据ᓭ6787ᜩᜧắᦻ᤺⌕¬Ḽ®ᩭ°±、²°±%ᢈ´Ḅqµ，Ḅ᪵᳛j¸¹º，»¼±°½¾，¿ᨵÀÁᵯᜐᳮḄ%()“ᵯÃ⚠”Ḅ▲ᑴ，☢ÇÈᜧḄᢧᡊ。&»)Ḅᵯ()ËÌ，ᐝ()=U⚣᳛º、±°ᜧ、ÎÏл¼ÑὑÓÔᢙᵯÖ×᡾ÙÚÛ，ᐸPÜÝᢧᡊḄᨵᦔ¢ßàá，â~ã`Âᑮ☘Ṇ。çNèéêᑴ（QAM)ᵫÁᐸ⚣íᑭᵨ᳛º、êᑴ/¢êïᜓñᓫ~ᙠó▭%()õö÷øᵨ，ẆÀÁᐝᢈ´ḄQAM

4、ᨵḼù⌕Ḅóᵨúû。HᦻḄü⌕=U᝞R：þáÿ]QAMêᑴVᐸqµᔊ，ᐝQAMdᐝ%()ḄẆdqµ¿ST]▊，ᭆHᦻü⌕Ẇᑁ。þ?ÿᑖ᪆]ᐝQAMdóᡠ◤Ḅᘤ。✌ᐜ]Ûêᑴᘤ、Ëêᑴᘤ、èêᑴᘤd!¾"#êᑴᘤ$%ᐝᵯêᑴᘤ；ᯠ£，(.)ᐝ*ᜧᘤ、+,ᐝ-*ᜧᘤd./*ᜧᘤ$%ᐝ*ᜧᘤST]&ឋÙᑖ᪆；ᨬ£，ñ⌕]½ᐝᘤ、ᐝ-ᐸn2ᵨᐗᘤ。þ4ÿᙠᑖ᪆QAMêᑴ5ᳮḄÀẠ7，Ẇ]ÀÁᐝὶÛêᑴdὶèêᑴḄQAMᫀ，ÀÁÛêᑴḄ4QAMd16QAM

5、aVÀÁèêᑴḄ4QAMᫀST]ᳮᑖ᪆d}，OptiSystem:Zᑖ᪆}K]ᫀḄᨵᦔឋ。þAÿᑖ᪆]7ᫀḄó};<Ḅ᪀=ᡂVᐸó>Z。✌ᐜÀÁèêᑴḄᐝ?ËᘤST]ᳮ@.dᑖ᪆，ó}()ST]ABḄ，ᙠóC¿ᨵᩩREᡂ]ÀÁÛêᑴḄ4QAMḄ、»¼d¢ê☢Ḅ=U，óZ}]FᫀḄçGឋVᐸHᙠḄøᵨIJ。þKÿLMᐰᦻḄ=UST]，ᢣN]RáOḄẆᔣ。ᐵPQ：ᐝ，ᐝ?Ëᘤ，çNèéêᑴ，Ûêᑴ，èêᑴI万方数据ᐝQAMẆABSTRACTWiththe

6、developmentofthenextgenerationwideandultra-widebandcommunicationtechnology,thesignalsamplingrateiscontinuouslyincreasingandthesignalbandwidthisalsogrowingfast.Theexistingcommunicationsystemwhichisbasedoncurrentelectronicsignalprocessingwillfaceahugechallenge,so-called‘electronicbottleneck，.Compare

7、dwiththetraditionalelectricalmethod,themicrowavephotonicsystemsfeaturehigherworkingfrequency,largeroperationbandwidth,lowerlosswithlongtransmissionandimmunitytoelectromagneticinterference.Withthesecharacteristics