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基于单Fabry-Perot标准具的双频率多普勒激光雷达数据反演技术

沈法华 孙东松 刘成林 仇成群 舒志峰

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基于单Fabry-Perot标准具的双频率多普勒激光雷达数据反演技术

沈法华, 孙东松, 刘成林, 仇成群, 舒志峰

Data inversion technique for single Fabry-Perot etalon-based dual-frequency Doppler lidar

Shen Fa-Hua, Sun Dong-Song, Liu Cheng-Lin, Qiu Cheng-Qun, Shu Zhi-Feng
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  • 本文导出了大气后向散射信号光入射到Fabry-Perot (F-P)标准具的有效透过率表达式. 在基于单F-P 标准具的双频率多普勒激光雷达系统中, 采用平均值法定量分析了瑞利后向散射信号对风场测量准确度的影响. 提出了同时反演风速和后向散射比的非线性迭代方法, 并通过仿真试验验证了该方法的有效性. 同时, 导出了径向风速和后向散射比测量误差的具体表达式, 并据此进行了仿真. 仿真结果表明: 若假定望远镜接收到的总后向散射光子数为50000, 径向风速测量误差随后向散射比的增大迅速减小, 在±25 m/s的风速测量动态范围内, 当Rβ > 1.2时, 误差小于3 m/s; 后向散射比测量误差随后向散射比的增大而增大, 与径向风速大小几乎无关, 当Rβ<10时, 相对误差小于13%.
    The effective transmittance of the Fabry-Perot (F-P) etalon in the case of the atmospheric backscatter light incidence is deduced. In the single F-P etalon-based dual-frequency Doppler lidar system, the wind retrieval accuracy with Rayleigh-induced effect for average method is analyzed quantitatively. A nonlinear iterative algorithm is proposed which can retrieve both wind speed and backscatter ratio, and its effectiveness is verified by simulation test. At the same time, the specific expressions of the radial wind speed error and backscatter ratio error are deduced. According to these expressions, the radial wind speed error and backscatter ratio error are simulated. The simulation results show that on the assumption that the total number of backscattering photons received by telescope is 50000, the radial wind speed measurement error decreases rapidly with the increase of backscatter ratio; when Rβ >1.2, the radial wind speed error is below 3 m/s within the wind speed measurement dynamic range of ±25 m/s; the backscatter ratio measurement error increases with the increase of backscatter ratio, but it is almost irrelative to the magnitude of radial wind; when Rβ<10, the backscatter ratio relative error is less than 13%.
    • 基金项目: 江苏省自然科学基金青年基金(批准号: BK2012246) 和江苏省高等学校自然科学研究基金(批准号: 12KJB170014)资助的课题.
    • Funds: Project supported by the Young Scientists Fund of the Natural Science Foundation of Jiangsu Province, China (Grant No. BK2012246) and the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, China (Grant No. 12KJB170014).
    [1]

    McGill M J, Skinner W R, Irgang T D 1997 Appl. Opt. 36 1928

    [2]

    Hannon S M 2000 Phys. Chem. Earth, Part B 25 1005

    [3]

    Harris M, Hand M, Wright A 2006 Technical Report NREL/TP-500-39154

    [4]

    Huffaker R M, Paul A R 1998 Pure Appl. Opt. 7 863

    [5]

    Cariou J P, Parmentier R, Valla M, Sauvage L, Antoniou I, Courtney M 2007 Proc. of the 14th Coherent Laser Radar Conference Snowmass, USA, July 8–13, 2007 p35

    [6]

    Yang D Z, Song N F, Lin Z L, Ou P, Jia Y D 2012 Chin. Opt. Lett. 10 022801

    [7]

    Zhu X P, Liu J Q, Bi D C, Zhou J, Diao W F, Chen W B 2012 Chin. Opt. Lett. 10 012801

    [8]

    Souprayen C, Garnier A, Hertzog A, Hauchecorne A, Porteneuve J 1999 Appl. Opt. 38 2410

    [9]

    Gentry B, Chen H 2002 Proc. of the 21st International Laser Radar Conference Quebec, Canada, July 8–12, 2002 p8

    [10]

    Dehring M, Nardell C, Pavlich J, Hays P, Dors I 2003 Proc. SPIE 4893 337

    [11]

    Liu Z S, Liu B Y, Wu S H, Li Z G, Wang Z J 2008 Opt. Lett. 33 1485

    [12]

    Shen F H, Cha H K, Sun D S, Kim D, Kwon S O 2008 Opt. Rev. 15 204

    [13]

    Tang L, Wang C R, Wu H B, Dong J H 2012 Chin. Phys. Lett. 29 014213

    [14]

    Du J, Ren D M, Zhao W J, Qu Y C, Chen Z L, Geng L J 2013 Chin. Phys. B 22 024211

    [15]

    Shen F H, Sun D S, Liu C L, Qiu C Q 2013 Infr. Laser Eng. 42 (Accepted) (in Chinese) [沈法华, 孙东松, 刘成林, 仇成群 2013 红外与激光工程 42] (已接受)

    [16]

    Shen F H, Shu Z F, Sun D S, Wang Z C, Xue X H, Chen T D, Dou X K 2011 Acta Phys. Sin. 60 060704 (in Chinese) [沈法华, 舒志峰, 孙东松, 王忠纯, 薛向辉, 陈廷娣, 窦贤康 2011 物理学报 60 060714]

    [17]

    Dobler J T, Gentry B M, Reagan J A 2002 Proc. SPIE 4484 82

    [18]

    McGill M J, Skinner W R, Irgang T D 1997 Appl. Opt. 36 1253

  • [1]

    McGill M J, Skinner W R, Irgang T D 1997 Appl. Opt. 36 1928

    [2]

    Hannon S M 2000 Phys. Chem. Earth, Part B 25 1005

    [3]

    Harris M, Hand M, Wright A 2006 Technical Report NREL/TP-500-39154

    [4]

    Huffaker R M, Paul A R 1998 Pure Appl. Opt. 7 863

    [5]

    Cariou J P, Parmentier R, Valla M, Sauvage L, Antoniou I, Courtney M 2007 Proc. of the 14th Coherent Laser Radar Conference Snowmass, USA, July 8–13, 2007 p35

    [6]

    Yang D Z, Song N F, Lin Z L, Ou P, Jia Y D 2012 Chin. Opt. Lett. 10 022801

    [7]

    Zhu X P, Liu J Q, Bi D C, Zhou J, Diao W F, Chen W B 2012 Chin. Opt. Lett. 10 012801

    [8]

    Souprayen C, Garnier A, Hertzog A, Hauchecorne A, Porteneuve J 1999 Appl. Opt. 38 2410

    [9]

    Gentry B, Chen H 2002 Proc. of the 21st International Laser Radar Conference Quebec, Canada, July 8–12, 2002 p8

    [10]

    Dehring M, Nardell C, Pavlich J, Hays P, Dors I 2003 Proc. SPIE 4893 337

    [11]

    Liu Z S, Liu B Y, Wu S H, Li Z G, Wang Z J 2008 Opt. Lett. 33 1485

    [12]

    Shen F H, Cha H K, Sun D S, Kim D, Kwon S O 2008 Opt. Rev. 15 204

    [13]

    Tang L, Wang C R, Wu H B, Dong J H 2012 Chin. Phys. Lett. 29 014213

    [14]

    Du J, Ren D M, Zhao W J, Qu Y C, Chen Z L, Geng L J 2013 Chin. Phys. B 22 024211

    [15]

    Shen F H, Sun D S, Liu C L, Qiu C Q 2013 Infr. Laser Eng. 42 (Accepted) (in Chinese) [沈法华, 孙东松, 刘成林, 仇成群 2013 红外与激光工程 42] (已接受)

    [16]

    Shen F H, Shu Z F, Sun D S, Wang Z C, Xue X H, Chen T D, Dou X K 2011 Acta Phys. Sin. 60 060704 (in Chinese) [沈法华, 舒志峰, 孙东松, 王忠纯, 薛向辉, 陈廷娣, 窦贤康 2011 物理学报 60 060714]

    [17]

    Dobler J T, Gentry B M, Reagan J A 2002 Proc. SPIE 4484 82

    [18]

    McGill M J, Skinner W R, Irgang T D 1997 Appl. Opt. 36 1253

计量
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  • PDF下载量:  418
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-06-07
  • 修回日期:  2013-08-10
  • 刊出日期:  2013-11-05

基于单Fabry-Perot标准具的双频率多普勒激光雷达数据反演技术

  • 1. 盐城师范学院物理系, 盐城 224002;
  • 2. 中国科学技术大学地球和空间科学学院, 合肥 230026
    基金项目: 江苏省自然科学基金青年基金(批准号: BK2012246) 和江苏省高等学校自然科学研究基金(批准号: 12KJB170014)资助的课题.

摘要: 本文导出了大气后向散射信号光入射到Fabry-Perot (F-P)标准具的有效透过率表达式. 在基于单F-P 标准具的双频率多普勒激光雷达系统中, 采用平均值法定量分析了瑞利后向散射信号对风场测量准确度的影响. 提出了同时反演风速和后向散射比的非线性迭代方法, 并通过仿真试验验证了该方法的有效性. 同时, 导出了径向风速和后向散射比测量误差的具体表达式, 并据此进行了仿真. 仿真结果表明: 若假定望远镜接收到的总后向散射光子数为50000, 径向风速测量误差随后向散射比的增大迅速减小, 在±25 m/s的风速测量动态范围内, 当Rβ > 1.2时, 误差小于3 m/s; 后向散射比测量误差随后向散射比的增大而增大, 与径向风速大小几乎无关, 当Rβ<10时, 相对误差小于13%.

English Abstract

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