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1 引言目前现有的军用前视红外通用模型系统中,有一个固有的问题,那就是热况的动态范围远远超出系统显示的动态范围。当前用在前视红外系统的显示装置,其动态范围约为30分贝(32:1),而典型的红外景况可能要大好几个数量级。一个共同的范例就是地天水平线,这是飞机或直升飞机作急剧的倾斜飞行时机载前视红外装置常会遇到的问题。在这
1 Introduction At present, there is an inherent problem in the existing generic front-infrared military model system of the military, that is, the dynamic range of the thermal condition far exceeds the dynamic range displayed by the system. The display devices currently used in front-view infrared systems have a dynamic range of about 30 dB (32: 1), while typical infrared conditions may be orders of magnitude larger. A common paradigm is the horizon horizon, a problem often encountered in on-board forward-looking infrared devices when aircraft or helicopters make sharp, oblique flight. At this