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Evaluations on aero-optic effects of subsonic airborne electro-optical system

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Abstract

A simple method based on CFD code and Matlab for aero-optic effects is presented. Density fluctuation from CFD code due to the changes of such factors as altitude, speed, equipment location, and wavelength is introduced as an input to Matlab. The overall calculations are in Matlab. The results show that the performance of electro-optical (EO) system can be improved when the altitude increasing, the speed is as slowly as possible, and the equipment location moves to the leading edge of the airborne platform as far as possible, for the wavelength there is an optimum one when the indexes of contrast and resolution of the system are both considered. All of these methods can minimize the optical aberrations. Several numerical simulations demonstrate the method.

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收稿日期:2006-02-24

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Kexin Yin:Changchun University of Science and Technology, Changchun 130022
Huilin Jiang:Changchun University of Science and Technology, Changchun 130022

备注:This work was supported by the National "863" Program of China. K. Yin's e-mail address is ykx@cust.edu.cn

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引用该论文

Kexin Yin, Huilin Jiang, "Evaluations on aero-optic effects of subsonic airborne electro-optical system," Chinese Optics Letters 4(8), 435-438 (2006)

被引情况

【1】吴琳,房建成,杨照华. 高超声速湍流流场高折射率梯度区域气动光学畸变仿真研究. 光学学报, 2009, 29(11): 2952-2957

【2】许东,刘浩伟,吴琳,安永泉. 高阶奇异值分解在气动光学效应分析中的应用. 光学学报, 2010, 30(12): 3367-3372

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