INFLUENCE OF ATMOSPHERICALLY INDUCED RANDOM WAVE FRONTS ON DIFFRACTION IMAGERY - A COMPUTER-SIMULATION MODEL FOR TESTING IMAGE-RECONSTRUCTION ALGORITHMS

被引:9
作者
BARAKAT, R [1 ]
BELETIC, JW [1 ]
机构
[1] RGB ASSOC,WAYLAND,MA 01778
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1990年 / 7卷 / 04期
关键词
D O I
10.1364/JOSAA.7.000653
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper is devoted to the development of a two-dimensional computer-simulation model that is based on the rigid constraints of optical diffraction theory with careful attention paid to the generation of sample realizations of Gaussian distributed, spatially random, isotropic wave fronts that have zero-mean and prescribed-covariance functions. Although we used a Gaussian covariance in our calculations, the simulation can incorporate any permissible covariance function. Given a sample realization of the wave front, the corresponding centered pointspread function and optical-transfer function are evaluated. A detailed study is made of the statistics of random wave-front tilt, point-spread function, modulus squared of transfer function, and phase of transfer function. © 1990 Optical Society of America.
引用
收藏
页码:653 / 671
页数:19
相关论文
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