脉冲编码提高瑞利BOTDA系统动态范围

理论分析了瑞利BOTDA（布里渊光时域分析）传感系统的动态范围,提出了一种采用脉冲编码技术改善系统信噪比从而增大系统动态范围的方法。研究了瑞利BOTDA系统中格雷码和Simplex码的编码和解码原理,通过对瑞利BOTDA系统采用叠加平均法和脉冲编码法后信噪比改善量的分析对比,阐明了脉冲编码技术在增大瑞利BOTDA系统动态范围方面的优越性,并利用Matlab软件进行了仿真验证。仿真结果表明,该编码技术能够明显改善系统信噪比,增大系统的动态范围。...

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Published inGuangtongxin Yanjiu pp. 16 - 19
Main Authors 杨润润, 李永倩, 张立欣, 李文敬
Format Journal Article
LanguageChinese
Published 《光通信研究》编辑部 01.01.2016
Subjects
瑞利布里渊光时域分析;动态范围;脉冲编码;叠加平均
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ISSN1005-8788
DOI10.13756/j.gtxyj.2016.06.004

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Abstract 理论分析了瑞利BOTDA（布里渊光时域分析）传感系统的动态范围,提出了一种采用脉冲编码技术改善系统信噪比从而增大系统动态范围的方法。研究了瑞利BOTDA系统中格雷码和Simplex码的编码和解码原理,通过对瑞利BOTDA系统采用叠加平均法和脉冲编码法后信噪比改善量的分析对比,阐明了脉冲编码技术在增大瑞利BOTDA系统动态范围方面的优越性,并利用Matlab软件进行了仿真验证。仿真结果表明,该编码技术能够明显改善系统信噪比,增大系统的动态范围。
AbstractList 理论分析了瑞利BOTDA（布里渊光时域分析）传感系统的动态范围,提出了一种采用脉冲编码技术改善系统信噪比从而增大系统动态范围的方法。研究了瑞利BOTDA系统中格雷码和Simplex码的编码和解码原理,通过对瑞利BOTDA系统采用叠加平均法和脉冲编码法后信噪比改善量的分析对比,阐明了脉冲编码技术在增大瑞利BOTDA系统动态范围方面的优越性,并利用Matlab软件进行了仿真验证。仿真结果表明,该编码技术能够明显改善系统信噪比,增大系统的动态范围。
Author 杨润润
李文敬
张立欣
李永倩
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  fullname: 李文敬
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Snippet 理论分析了瑞利BOTDA（布里渊光时域分析）传感系统的动态范围,提出了一种采用脉冲编码技术改善系统信噪比从而增大系统动态范围的方法。研究了瑞利BOTDA系统中格雷码...
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SubjectTerms 瑞利布里渊光时域分析;动态范围;脉冲编码;叠加平均
Title 脉冲编码提高瑞利BOTDA系统动态范围
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