Equivalent calculation of operating range of IRST

Zhang Le; Liang Dongming; Yao Mei; Zhang Manju; Zhang Lei

As the influence of background radiation is not considered, traditional operating range equation of infrared search and track system(IRST) has a limit. In order to complete the equivalent calculation of operating range of IRST on small dynamic target rapidly in various meteorological and flight conditions, the operating range model on point target of IRST was derived in the sky background. Based on the equation, the operating range of one IRST on the target drone in all kinds of meteorological conditions was calculated. In addition, the equation was validated by the data of target drone flight test and it is proved that the equation is correct and can be used to the equivalent calculation of operating range of IRST. Finally,the operating range of IRST on one kind of missile under different flight and specifically meteorological conditions was calculated based on the equation.

1. College of Photoelectric Science and Engineering,National University of Defense Technology,Changsha 410073,China;

2. Unit 63891 of PLA,Luoyang 471003,China;

3. Unit 63892 of PLA,Luoyang 471003,China

Received Date: 2012-05-22

Rev Recd Date: 2012-06-19

Publish Date: 2013-01-25

Key words:

Abstract: As the influence of background radiation is not considered, traditional operating range equation of infrared search and track system(IRST) has a limit. In order to complete the equivalent calculation of operating range of IRST on small dynamic target rapidly in various meteorological and flight conditions, the operating range model on point target of IRST was derived in the sky background. Based on the equation, the operating range of one IRST on the target drone in all kinds of meteorological conditions was calculated. In addition, the equation was validated by the data of target drone flight test and it is proved that the equation is correct and can be used to the equivalent calculation of operating range of IRST. Finally,the operating range of IRST on one kind of missile under different flight and specifically meteorological conditions was calculated based on the equation.

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Reference (47)

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Equivalent calculation of operating range of IRST

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