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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2010 [1]
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Infrared signature measurement of targets accounting for atmospheric attenuation (EI CONFERENCE)
会议论文
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Yang C.-Y.
;
Cao L.-H.
;
Zhang J.-P.
;
Lu M.
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提交时间:2013/03/25
Infrared radiation signature measurement of targets is one of important ways for target signature acquirement and target recognition. When measuring the infrared signature of a target in the atmosphere
molecules and aerosol particles in the atmosphere would attenuate the infrared radiation from the target
and at the same time
the air path radiation would be added to the target radiation. Therefore
in order to obtain the intrinsic infrared radiation of the target
it is necessary to perform atmospheric correction in the process of target radiation inversion. A model for target radiation measurement and inversion was established
and precision analysis on the model was given. A longwave infrared camera was used to perform infrared signature measurement experiment on an ISDC extended-area blackbody. Based on atmospheric parameters
the atmospheric transmittance and the air path radiation between the blackbody target and the camera were calculated by using the MODTRAN software
for use in atmospheric correction in the target radiation inversion process. The experimental results showed that radiation inversion precisions were about 7.3%9.3%. Additionally
inversion precision will improve as target temperature rises. 2010 IEEE.
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