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介绍了基于微测辐射热计 3 2 0× 2 40长波非致冷红外热象仪的研制 ,详细说明了其电气系统的设计方法及技术关键 ,并对其光学系统进行了简要说明 .采用高象质的双反射光学系统以减少象差 ;红外探测器采用 3 2 0× 2 40长波非致冷集成微测辐射热计红外焦平面阵列( FPA) ;电气系统采用复杂可编程逻辑器件 ( CPLD)完成红外焦平面阵列的驱动 ,应用数字信号处理 ( DSP)技术实现红外焦平面阵列的非均匀性校正、图象增强及红外图象实时显示等 .
The development of a 3 2 0 × 2 40 long wave uncooled infrared thermal imager based on a microbolometer is introduced, the design method and key technology of its electrical system are described in detail, and its optical system is briefly described. The quality of the dual-reflection optical system to reduce the aberration; infrared detector using 320 × 2 40 long-wave non-cooled integrated microbolometer infrared focal plane array (FPA); electrical system using complex programmable logic device (CPLD ) To complete the driving of the infrared focal plane array, applying digital signal processing (DSP) technology to realize the non-uniformity correction of infrared focal plane array, image enhancement and infrared image real-time display.