Atmospheric turbulence interference compensation for missile-borne infrared attitude measurement

被引：9

作者：

Xu, Miaomiao ^{[1
]}

Bu, Xiongzhu ^{[1
]}

He, Zilu ^{[1
]}

Han, Wei ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Mech Engn, 200 Xiaolingwei, Nanjing 210094, Jiangsu, Peoples R China

来源：

INFRARED PHYSICS & TECHNOLOGY | 2019年 / 97卷

基金：

中国国家自然科学基金;

关键词：

Infrared radiation; Atmospheric turbulence; Attitude measurement; Compensation; DENSITY;

D O I：

10.1016/j.infrared.2018.12.022

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In researching the disturbance of atmospheric turbulence in the infrared attitude measurement, a compensation model for atmospheric turbulence interference with missile-borne infrared radiation is established, which improves the solution accuracy of infrared attitude measurement method. Firstly, the influence of aerodynamic turbulence on the infrared radiation transmission direction received by the missile-borne infrared sensors is analysed. Meanwhile, a model of infrared radiation propagation path under the influence of turbulence is established. Then, the infrared radiation weakening degree received by infrared sensors is calculated, and the infrared radiation compensation model is designed with the earth infrared radiation model. Finally, through the curve fitting and derivation, the calculation formula of attitude angle compensation under the influence of atmospheric turbulence is established. The results from the experiments show that the roll angle calculation error is within +/-1 degree, the ability of the anti-aerodynamic turbulence interference is improved and the problem of low accuracy of infrared radiation attitude measurement is solved.

引用

页码：69 / 73

页数：5

共 22 条

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