Expert system for generating initial layouts of zoom systems with multiple moving lens groups

Jose M. Sasian

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Expert system for generating initial layouts of zoom systems with multiple moving lens groups

机译：Expert system for generating initial layouts of zoom systems with multiple moving lens groups

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摘要

An expert system is developed for the automatic generation of initial layouts for the design of zoom systems with multiple moving lens groups. The Gaussian parameters of the zoom system are optimized using the damped-least-squares method to achieve smooth zoom cam curves, with the f-number of each lens group in the zoom system con- strained to a rational value. Then each lens group is selected automatically from a database according to its range of f-number, field of view, and magnification ratio as it is used in the zoom system. The lens group database is established from the results of analyzing thousands of zoom lens patents. Design examples are given, which show that the scheme is a practical approach to generate starting points for zoom lens design

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来源
《Optical Engineering》 |2005年第1期|013001-1-2-0|共2页
作者
Jose M. Sasian;
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作者单位

Beijing Institute of Technology Department of Optoelectronic Engineering Beijing 100081, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
expert system; zoom lenses; lens group database; optical design.;

Expert system for generating initial layouts of zoom systems with multiple moving lens groups

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