首页 | 本学科首页   官方微博 | 高级检索  
     检索      

不同方法测量折射率结构常数的比较
引用本文:袁仁民,曾宗泳,肖黎明,马成胜,翁宁泉,吴晓庆.不同方法测量折射率结构常数的比较[J].光学学报,2000,20(6):55-761.
作者姓名:袁仁民  曾宗泳  肖黎明  马成胜  翁宁泉  吴晓庆
作者单位:中国科学院安徽光学精密机械研究所大气光学重点实验室,合肥,230031
摘    要:对几种测量折射率结构常数(C^2n)的方法进行了分析和比较,指出这几种方法的测量结果有时不一致的原因。结果表明,和双点法测量相比,温度谱幂率的变化对闪烁法测量结果造成较大偏差,而对到达角起伏测量和声雷达测量结果差别较小;外悄度发迹对闪烁法测量几乎没有影响,但当外尺度变小时,利用双点法测量,到达角起伏测量和声雷达测量结果都有较大的影响。给出了双点测量C^2n和外尺度的关系的实验验证,并给出了两固定点

关 键 词:双点测量    传播  湍流大气  折射率结构常数
收稿时间:1998/7/21

Comparison of Some Methods of Measuring Refractive Index Structure Parameter
Yuan Renmin,Zeng Zongyong,Xiao Liming,Ma Chengsheng,Weng Ningquan,Wu Xiaoqin.Comparison of Some Methods of Measuring Refractive Index Structure Parameter[J].Acta Optica Sinica,2000,20(6):55-761.
Authors:Yuan Renmin  Zeng Zongyong  Xiao Liming  Ma Chengsheng  Weng Ningquan  Wu Xiaoqin
Abstract:Several methods of measuring C2n (refractive index structure parameter) are analyzed and compared, and the reason of leading this different measuring result is given. It is shown that the result of scintillation will change notably with power of temperature spectra when comparing with the result of double-point, but power of temperature spectra takes a little effect on angle-of-arrival variances and back-scattering of electromagnetic wave when comparing with the result of double-point. When outer-scale changes, the value of C2n with scintillation almost keeps equal, but when outer-scale decreases, the value of C2n with double-point and arrival angle will decreases very much. Especially, the relation between the double-point method and out-scale is verified, and the acceptable interval between two points is recommended.
Keywords:double  point method    scintillation    out  scale    angle  of  arrival variances  
本文献已被 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号