强光辐射源干扰红外成像特征量化模型与分析

doi:10.3969/j.issn.1001-2400.2014.01.012

Abstract

Abstract:

The strong radiation source(such as battlefield fire) has become an important factor affecting the infrared imaging quality. First, a feature quantitative model of infrared imaging under strong radiation source disturbance is built based on the imaging signal conversion mechanism and by simultaneously considering the signal response characteristic,dynamic range, automatic gain characteristic(AGC) and gray level quantization and display. Then, a simulation of the output image of the infrared imaging system is performed on the basis of the model mentioned above and the simulation platform developed in our laboratory. Finally, a quantitative analysis of the relationship between the energy of the strong radiation source and the brightness(contrast) of the system's output image is made. The results will be used for providing a theoretical basis and technical support for the research on the infrared imaging system anti-interference ability protection in the battled environment.

Key words: automatic gain characteristic, signal response characteristic, imaging contrast, signal response characteristic, dynamic range

CLC Number:

TN972

GUO Bingtao;WANG Xiaorui;JIN Weiguo;WANG Xiaobing;HUANG Xiaomin. Feature quantitative model and performance analysis of infrared imaging under strong radiation source disturbance[J].J4, 2014, 41(1): 64-68.

References

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Feature quantitative model and performance analysis of infrared imaging under strong radiation source disturbance

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