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基于畸变相位波前分形特征产生矩形湍流相屏
Alternative TitleGeneration of Rectangular Turbulence Phase Screens Based on Fractal Characteristics of Distorted Wavefront
吴晗玲; 严海星; 李新阳; 李树山
Source Publication光学学报
2009
Volume29Issue:1Pages:114-119
ISSN0253-2239
Abstract在包含时间进程的光波大气传输及其自适应光学相位校正的数值模拟研究中,如长曝光成像和自适应光学系统的动态控制过程,矩形湍流相屏的产生和应用尤为重要.而现在通常使用的功率谱反演法产生的是正方形的湍流相屏,只采用其中的矩形部分显然造成计算机资源的浪费;并且谱反演法产生的湍流相屏需要进行低频补偿,从而明显地增加计算量.基于大气湍流所造成的畸变相位波前的分形特征,提出了一种产生矩形湍流相屏的新方法,并与解析理论结果进行对比,验证了这种矩形相屏产生方法的正确性.与已有的方法相比,此算法具有两个明显的优点:算法简单、计算效率高,节省计算机资源;与大气湍流介质统计特性无论在高频部分还是在低频部分均符合得较好.
Keyword大气光学 湍流相位屏 分形插值 大气湍流 数值模拟
Indexed ByCSCD
Language中文
CSCD IDCSCD:3564492
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/33451
Collection先进制造工艺力学实验室
Corresponding Author吴晗玲
Recommended Citation
GB/T 7714
吴晗玲,严海星,李新阳,等. 基于畸变相位波前分形特征产生矩形湍流相屏[J]. 光学学报,2009,29,1,:114-119.
APA 吴晗玲,严海星,李新阳,&李树山.(2009).基于畸变相位波前分形特征产生矩形湍流相屏.光学学报,29(1),114-119.
MLA 吴晗玲,et al."基于畸变相位波前分形特征产生矩形湍流相屏".光学学报 29.1(2009):114-119.
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