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在第二代红外成象系统中,采用焦平面列阵可使系统获得高分辨率和高灵敏度。在混合结构中,探测器和信号处理芯片是采用不同的材料单独制作,然后耦合成焦平面列阵。采用HgCdTe探测器的第二代红外成象系统的研究和发展工作主要在中红外波段(3～5μm)和长波波段(8～12μm)范围内进行。然而在高温和反射阳光下的物体
In the second generation of infrared imaging system, the use of focal plane array allows the system to obtain high resolution and high sensitivity. In a hybrid architecture, the detectors and signal processing chips are fabricated separately from different materials and then coupled into a focal plane array. The research and development work of the second generation infrared imaging system using HgCdTe detector is mainly in the mid-infrared (3-5μm) and long-wave (8-12μm) ranges. However objects under high temperature and reflecting sunlight