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- W2386378996 abstract "The digitization and automation for electronic theodolite,to improve the measurement precision and efficiency,has great significance for military application. In the design process of the theodolite automation,the telescope field of view( FOV) is small,the structure of auxiliary wide FOV telescope is complicated and the target search time is too long. To solve these issues,it's necessary to design a smaller distortion and wider FOV telescope lens for automatic theodolite. The design index was put forward as enlarging the FOV angle 1°30' to 5°,based on the application condition,theoretical analysis and calculation. Based on Cooke Lens structure,the design met the index,by using ZEMAX for design,optimization and image quality analysis. It's shown that the MTF value is higher than 0. 545 at 42 lp / mm spatial frequency,the distortion is less than 0. 01%,the energy ratio in 10 μm diffusion radius range is higher than 80%. It has met the requirement of high precision measurement and automation,for the telescope image quality is fine and the efficiency of automatic target search is improved." @default.
- W2386378996 created "2016-06-24" @default.
- W2386378996 creator A5029848729 @default.
- W2386378996 date "2013-01-01" @default.
- W2386378996 modified "2023-09-24" @default.
- W2386378996 title "Research on the Design of Wider FOV Telescope Object Lens for Automatic Theodolite" @default.
- W2386378996 hasPublicationYear "2013" @default.
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