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多激光束大气风场测量仪及其后向散射信号的光学相关性分析
  • ISSN号：1005-0086
  • 期刊名称：《光电子．激光》
  • 时间：0
  • 分类：TN253[电子电信—物理电子学]
  • 作者机构：[1]电子科技大学光电信息学院电子薄膜与集成器件国家重点实验室,四川成都610054, [2]华北光电技术研究所,北京100015
  • 相关基金：国家自然基金创新群体（61021061）和自然基金重点（60736005）资助项目
作者： 周立敏[1], 蒋亚东[1], 章正宇[2], 眭晓林[2]
关键词： 实时风场检测, 多激光束风场测量系统, 光学相关性, 稳定性, real-time wind detection, multi-beam wind measuring system, optical correlation, stability
中文摘要：

基于多激光光束测风仪的系统结构和基本工作原理，结合小扰动理论，研究了大气湍流对两个光探测器检测到的后向散射回波的光学相关特性，同时给出了4种基于光学相干法的风速计算公式，包括峰值延时法、斜率法、频率法和Briggs法。通过实地风场检测验证的结果表明，使用峰值延时法、斜率法和频率法计算的风速均具有较高的精度，误差小于5％。

英文摘要：

In this work, based on the construction and basic working principle of multi-beam wind measuring system, the optical correlation properties of back-scattering signals measured by two detectors were theoretically analyzed combining with the small distribution theory. Meanwhile, four kinds of optical correlation methods were proposed to calculate the wind speed, ie. , embracing peak-delay method, slope method, frequency method,and Briggs method. According to the real-place verifying experiment, the results show that the peak-delay method, slope method and frequency method have high measurement precision with errors less than 5 %.

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期刊信息
  • 《光电子．激光》
  • 北大核心期刊（2011版）
  • 主管单位:天津市教育委员会
  • 主办单位:天津理工大学 中国光学学会
  • 主编：巴恩旭
  • 地址：天津市西青区宾水西道391号
  • 邮编：300384
  • 邮箱：baenxu@263.net baenxu@aliyun.com
  • 电话：022-60214470
  • 国际标准刊号：ISSN：1005-0086
  • 国内统一刊号：ISSN：12-1182/O4
  • 邮发代号:6-123
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:16551