一、前言红外技术大约经历了五十来年的发展,现已成为现代光学技术的重要分支。在军事应用中,由于它具有比无线电雷达好的隐蔽性、抗干扰能力强、分辨力高;与可见光光学仪器相比,它可昼夜工作,特别适宜夜间使用,能识别伪装,在某些波段上,观测距离受气象条件的影响小。因 I. Introduction Infrared technology has experienced about 50 years of development and has become an important branch of modern optical technology. In military applications, because it has a better concealment than the radio radar, anti-interference ability, high resolution; compared with visible optical instruments, it can work day and night, especially for night use, to identify camouflage, in some bands The observation distance is less affected by the weather conditions. because