大气传输对红外导引头性能影响研究
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摘要
红外导引头在检测目标时,主要依据经大气传输后获得的目标与背景红外辐射差异,红外辐射在大气传输过程中受到不同因素的影响,对于导引头红外最大捕捉距离等关键战技术指标带来一定程度的影响,能见度、温度等条件的不同可能导致导引头在特定环境下最大捕捉距离下降,或是对于捕获的目标成像不清晰,对于小目标无法在常见距离正常检测。依据各因素对红外辐射传输影响的变化规律,分析大气传输对导引头关键战技术指标的影响,在明确该影响的前提下,立足试验日获得的战技术参数数据,分析建立主要因素的变化对于试验日延伸条件下战技术参数的影响,为后续试验提供技术支持。
At the time of detecting targets, an infrared seeker mainly depends on infrared radiation differences between targets and backgrounds during atmospheric transmission. The key tactical and technology parameters such as the maximum capturing distance detected by the infrared seeker are influenced by different factors during the process, for instance, the maximum capturing distance may be decreased for different visibility and temperature un?der special environments, the captured targets are imaged unclear, and it is difficult to detect small targets at normal distance. According to the variation trend of different factors on infrared transmission, the impact on key tactical and technology parameters from atmosphere transmission is analyzed. Under the condition of deciding the impact and the obtained tactical and technology parameters through experiments, the variation of main factors on the param?eters is analyzed and built, which provides technique support for the following experiments.
At the time of detecting targets, an infrared seeker mainly depends on infrared radiation differences between targets and backgrounds during atmospheric transmission. The key tactical and technology parameters such as the maximum capturing distance detected by the infrared seeker are influenced by different factors during the process, for instance, the maximum capturing distance may be decreased for different visibility and temperature un?der special environments, the captured targets are imaged unclear, and it is difficult to detect small targets at normal distance. According to the variation trend of different factors on infrared transmission, the impact on key tactical and technology parameters from atmosphere transmission is analyzed. Under the condition of deciding the impact and the obtained tactical and technology parameters through experiments, the variation of main factors on the param?eters is analyzed and built, which provides technique support for the following experiments.
引文
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[4]周海俊,李智,李学军.基于STK/EOIR的弹道中段目标红外辐射特性研究[J].红外,2017,38(2):21-24.
[5]戴聪明,张志勇,马力,等.红外望远镜站址大气传输和环境背景特性的测量分析研究[J].红外与激光工程,2016,45(12):1204005-1-1204005-7.
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[7]曹立华,万春明,张云峰,等.点目标的红外辐射特性测量方法[J].红外与毫米波学报,2015,34(4):460-465.
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