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针对目前基于单元探测器和线列探测器的红外成像仪不能较好兼顾大视场、高空间分辨率、高温度灵敏度的问题,研制了一套基于非制冷型面阵红外探测器的大视场热红外成像仪,实现了75°大视场、0.4 mrad空间分辨率和50 m K(NEΔT)温度灵敏度指标.建立了面阵摆扫图像畸变校正模型,较好地解决了面阵摆扫图像定位精度低和图像拼接裂缝问题.研究成果对大视场面阵摆扫红外成像技术的发展具有重要的参考价值.
In view of the fact that the infrared imager based on the unit detector and the line detector can not better take into account the problems of large field of view, high spatial resolution and high temperature sensitivity, a set of non-refrigerating area array infrared detector Field thermal infrared imager to achieve a 75 ° wide field of view, spatial resolution of 0.4 mrad and temperature sensitivity of 50 m K (NEΔT) .A correction model of surface area wobble image distortion is established, Low image localization accuracy and image splitting cracks.The research results have important reference value for the development of large field imaging scanning system.