动态红外景象投影技术是硬件闭环仿真(HWIL)和成像系统测试及评估的关键技术,随着数字微镜器件的研制成功,应用动态红外景象技术已备受关注。描述了动态红外景象投影技术在仿真和红外成像系统测试中的应用,具体介绍了数字微镜器件的工作原理,讨论了动态红外景象投影系统的关键技术和国内外研究现状。 Dynamic infrared scene projection technology is the key technology of hardware closed loop simulation (HWIL) and imaging system testing and evaluation. With the successful development of digital micro mirror devices, the application of dynamic infrared scene technology has drawn much attention. The application of dynamic infrared scene projection technology in the simulation and infrared imaging system testing is described. The working principle of the digital micromirror device is introduced in detail. The key technologies of dynamic infrared scene projection system and the research status at home and abroad are discussed.