首页 > 论文 > 强激光与粒子束 > 18卷 > 9期(pp:1423-1427)

非Kolmogorov大气湍流温度谱标度指数的测量与分析

Measurement and analysis of temperature power spectrum scaling exponent in non-Kolmogorov turbulent atmosphere

  • 摘要
  • 论文信息
  • 参考文献
  • 被引情况
  • PDF全文
分享:

摘要

阐述了非Kolmogorov湍流谱理论以及湍流谱标度指数的测量与计算方法.在近地面多个地点对大气湍流温度起伏进行了多次的实验观测,结果表明:实际大气湍流温度谱标度指数多数不等于-5/3,并且通常在-2到-1之间变化.分析了湍流温度谱标度指数与湍流发展程度的相关性,利用小波分析方法展现了不同湍流强度下湍流温度脉动能量在各尺度之间的分配状态,发现湍流温度谱标度指数的绝对值在一定程度上随湍流强度的增加而增大.

Newport宣传-MKS新实验室计划
补充资料

中图分类号:O437

所属栏目:高功率激光与光学

基金项目:国家863计划项目资助课题;国家自然科学基金资助课题(40475010)

收稿日期:2006-04-12

修改稿日期:2006-07-28

网络出版日期:2006-09-15

作者单位    点击查看

梅海平:中国科学院,安徽光学精密机械研究所,大气光学研究中心,合肥,230031
吴晓庆:中国科学院,安徽光学精密机械研究所,大气光学研究中心,合肥,230031
饶瑞中:中国科学院,安徽光学精密机械研究所,大气光学研究中心,合肥,230031

备注:梅海平(1980-),男,博士研究生,主要从事大气光学湍流测量方法研究;hpmei@aiofm.ac.cn.

【1】Strohbehn J W.Laser beam propagation in the atmosphere[M].Berlin,Heidelberg:Springer-Verlag,1978:13.

【2】Hou J L.The development of atmospheric turbulence theory and its impact on ground-based astronomical observation[J].Progress in Astronomy,1997,15(2):91.

【3】曾宗泳,袁仁民,谭锟,等.复杂地形近地面温度谱[J].量子电子学报,1998,15(2):134-139.(Zeng Z Y,Yuan R M,Tan K,et al.The spectrum of temperature in the surface layer over complicated terrain.Chinese Journal of Quantum Electronics,1998,15(2):134-139)

【4】吴晓庆,王英俭,曾宗泳,等.大气温度起伏谱的测量[J].强激光与粒子束,2002,14(2).134-139.(Wu X Q,Wang Y J,Zeng Z Y,et al.Measurement of the spectrum of atmospheric temperature fluctuations.High Power Laser and Particle Beams,2002,14(2).134-139)

【5】饶瑞中.光在湍流大气中的传播[M].合肥:安徽科学技术出版社,2005:86-87.(Rao R Z.Light propagation in the turbulent atmosphere.Hefei:Anhui Science and Technology Press,2005:86-87)

【6】Pinton J F,Plaza F,Danaila L,et al.On velocity and passive scalar scaling laws in a turbulent swirling flow[J].Physica D,1998,122:187-201.

【7】李秀林,红峰,陈绍英.强激光在非Kolmogorov谱大气湍流中传输的几个问题[J].宁夏大学学报,2002,23(4):323-325.(Li X L,Hong F,Chen S Y.Several problems of the high power laser propagates through non-Kolmogorov spectrum atmospheric turbulence.Journal of Ningxia University,2002,23(4):323-325)

【8】饶长辉.非Kolmogorov 湍流情况下低级校正自适应光学系统的性能研究[D].成都:中国科学院光电技术研究所,2001:69-72.(Rao C H.Performance analysis of low-order correction adaptive optical system for non-Kolmogorov turbulence.Chengdu:Institute of Optics and Electronics,Chinese Academy of Sciences,2001:69-72)

【9】Rao C H,Jiang W H,Ling N.Adaptive-optics compensation by distributed beacons for non-Kolmogorov turbulence[J].Applied Optics,2001,40(21):3441-3449.

【10】Rao C H,Jiang W H,Ling N.Atmospheric characterization with Shack Hartmann wavefront sensors for non-Kolmogorov turbulence[J].Opt Eng,2002,41(2):534-541.

【11】Lazorenko P F.Differential image motion at non-Kolmogorov distortions of the turbulent wave-front[J].Astronomy and Astrophysics,2002,382:1125-1137.

【12】梅海平.近地层大气光学湍流特性研究[D].合肥:中国科学院安徽光机所,2004.56-66.(Mei H P.Characteristics of atmospheric optical turbulence in the near ground layer.Hefei:Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,2004:56-66)

【13】Tatarskii V I.湍流大气中波的传播理论[M].北京:科学出版社,1978.(Tatarskii V I.Effects of the turbulent atmosphere on wave propagation.Beijing:Science Press,1978)

【14】Rao R Z.Description and measurement of the strength of an optical turbulence[C]//Proc of SPIE.2004,5572:45-48.

【15】梅海平.不同地区大气光学湍流内外尺度的测量[J].强激光与粒子束,2006,18(3):362-366.(Mei H P.Measurement of inner and outer scale of atmospheric optical turbulence in different areas.High Power Laser and Particle Beams,2006,18(3):362-366)

【16】翁宁泉,曾宗泳,马成胜,等.合肥近地面折射率结构常数C2n分布特征及分析[J].量子电子学报,1998,15(4):423-424.(Weng N Q,Zeng Z Y,Ma C S,et al.Atmospheric structure parameter C2n in the boundary layer of Hefei.Chinese Journal of Quantum Electronics,1998,15(4):423-424)

【17】Donoho D.About wavelab[EB/OL].http://www-stat.stanford.edu/~wavelab,1999.

【18】胡非.湍流、间隙性与大气边界层[M].北京:科学出版社,1995:184-193.(Hu F.Turbulence intermittency and atmospheric boundary layer.Beijing:Science Press,1995:184-193)

【19】Frisch U.Turbulence[M].Cambridge:Cambridge University Press,1995.52.

您的浏览器不支持PDF插件,请使用最新的(Chrome/Fire Fox等)浏览器.或者您还可以点击此处下载该论文PDF