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题名:
Generation of a large scale atmospheric turbulence based on an improved fractal algorithm
作者: Sun, Zhi1,4; Chen, Ying3; Qin, Xiaolin1; Feng, Yong2
刊名: JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
出版日期: 2016-07-01
卷号: 18, 期号:7-8, 页码:654-660
关键词: Atmospheric Turbulence ; Phase Screen ; Fractal Interpolation ; Beam Propagation ; Parallel Computing
文章类型: Article
英文摘要: A rectangular phase screen transmission model is usually applied to the simulation of optical propagation processes in atmospheric turbulence. In this paper, we analyze the relationship between fractal Brownian motion and atmospheric turbulence firstly. Then based on the classical fractal algorithm, a new algorithm is proposed to generate a rectangular phase screen, which combines the random midpoint displacement (RMD) principle with the successive random additions (SRA) technique. It mainly contains three interpolation methods including square interpolation, trigonometric interpolation and diamond interpolation, respectively. Therefore we call the algorithm (S-T-D)RMD-SRA. We carry out the split-step method to propagate beam through atmospheric turbulence, which is simulated by a rectangular phase screens transmission model. Numerical simulations show that the new algorithm and traditional FFT-based algorithm on the statistical properties are almost consistent with the theoretical value. Furthermore, it has high performance in computation time and parallel efficiency.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ; Optics ; Physics, Applied
研究领域[WOS]: Materials Science ; Optics ; Physics
关键词[WOS]: PHASE SCREEN ; SIMULATION ; PROPAGATION ; STATISTICS ; IMAGES
收录类别: SCI
项目资助者: China 973 Project(NKBRPC-2011CB302402) ; National Natural Science Foundation of China(61402537 ; West Light Foundation of the Chinese Academy of Sciences from China ; Open Project of Chongqing Key Laboratory of Automated Reasoning and Cognition from China(CARC2014004) ; 91118001)
语种: 英语
WOS记录号: WOS:000383819800010
ISSN号: 1454-4164
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6467
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Chengdu Inst Comp Applicat, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Chongqing Key Lab Automated Reasoning & Cognit, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
3.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Sun, Zhi,Chen, Ying,Qin, Xiaolin,et al. Generation of a large scale atmospheric turbulence based on an improved fractal algorithm[J]. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,2016,18(7-8):654-660.
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