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Generation of a large scale atmospheric turbulence based on an improved fractal algorithm
Sun, Zhi1,4; Chen, Ying3; Qin, Xiaolin1; Feng, Yong2
Source PublicationJOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
Volume18Issue:7-8Pages:654-660
2016-07-01
Language英语
ISSN1454-4164
Indexed BySCI
WOS IDWOS:000383819800010
SubtypeArticle
AbstractA 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.
KeywordAtmospheric Turbulence Phase Screen Fractal Interpolation Beam Propagation Parallel Computing
WOS KeywordPHASE SCREEN ; SIMULATION ; PROPAGATION ; STATISTICS ; IMAGES
WOS Research AreaMaterials Science ; Optics ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Optics ; Physics, Applied
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6467
Collection光电技术研究所被WoS收录文章
Affiliation1.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
GB/T 7714
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.
APA Sun, Zhi,Chen, Ying,Qin, Xiaolin,&Feng, Yong.(2016).Generation of a large scale atmospheric turbulence based on an improved fractal algorithm.JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,18(7-8),654-660.
MLA Sun, Zhi,et al."Generation of a large scale atmospheric turbulence based on an improved fractal algorithm".JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS 18.7-8(2016):654-660.
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