干涉型光纤传感器低频信号检测技术研究

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1、分类号TN253学号08070046ＵＤＣ密级公开工学硕士学位论文干涉型光纤传感器低频信号检测技术研究硕士生姓名叶欣学科专业光学工程研究方向光纤信息技术指导教师胡永明教授罗洪讲师国防科学技术大学研究生院二〇一〇年十一月RESEARCHONLOWFREQUENCYSIGNALDETECTIONTECHNIQUEFORINTERFEROMETRICFIBEROPTICSENSORCandidate：YeXinAdvisor：HuYong-mingAdissertationSubmittedinpartialfulfillmentofthere

2、quirementsForthedegreeofMasterofEngineeringInOpticalEngineeringGraduateSchoolofNationalUniversityofDefenseTechnologyChangsha,Hunan,P.R.China（November，2010）国防科学技术大学研究生院硕士学位论文目录摘要...............................................................................................

3、..................iABSTRACT.........................................................................................................ii第一章绪论......................................................................................................11.1干涉型光纤传感技术研究现状及发展趋势.........

4、........................................11.2干涉型光纤传感器信号检测技术低频分析.................................................21.3干涉型光纤传感器消偏振衰落技术低频分析.............................................61.4课题研究内容及意义................................................................................

5、.....8第二章干涉型光纤传感系统低频噪声分析.....................................................102.1干涉型光纤传感系统的本底噪声...............................................................102.2系统的低频光学噪声...................................................................................112.2.1光源强度噪声的产生

6、及影响..............................................................112.2.2偏振噪声的产生及影响......................................................................162.2.3光源相位噪声的产生及影响..............................................................182.3环境因素对干涉系统相位检测的影响..................

7、.....................................202.3.1环境温度对干涉系统的影响..............................................................202.3.2其他环境因素对系统的影响..............................................................212.4本章小结................................................................

8、.......................................22第三章低频降噪方案及仿真分析.........................................