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适用专业:电子与信息工程
适用年级:大学
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毕业设计 OFDM系统子载波分配算法,共51页,20643字
目 录
摘 要 .........................................................................................................................I
ABSTRACT...............................................................................................................Ⅱ
引 言 .........................................................................................................................1
第1章 绪 论.............................................................................................................2
1.1课题提出的背景...............................................................................................2
1.2.子载波分配问题的研究现状...........................................................................3
1.3 本文研究的主要内容及研究成果..................................................................4
1.4 论文章节安排..................................................................................................4
第2章 OFDM 技术基础..........................................................................................5
2.1 OFDM 技术的发展 ........................................................................................5
2.2 OFDM 系统基本原理 ....................................................................................6
2.2.1 OFDM 系统模型.......................................................................................6
2.2.2 保护间隔和循环前缀技术 ....................................................................10
2.2.3 OFDM 的 FFT 实现...............................................................................10
2.2.4 OFDM 系统的关键技术..........................................................................11
2.3 OFDM 系统的优缺点 ...................................................................................13
2.4 本章小结..........................................................................................................14
第3章 OFDM系统中的子载波分配......................................................................15
3.1 概论 ...............................................................................................................15
3.2 RA算法下的子载波分配问题......................................................................15
3.2.1经典的子载波分配算法….......................................................................17
3.2.2对经典算法的改进…................................................................................20
3.2.3仿真结果及分析.......................................................................................22
3.3 本章小结.........................................................................................................24
第4章 全文总结......................................................................................................25
4.1论文工作总结..................................................................................................25
4.2.对进一步研究的考虑......................................................................................25
参考文献……........................................................................................................…26
致谢..................………............................................................................................. 27
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- 毕业设计-OFDM系统子载波分配算法
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