基于DSP+FPGA架构,采用全透式光学系统及非制冷红外探测器和CMOS探测器,设计并实现了一种轻小型双谱段相机。该相机同时具备红外和可见光成像能力,可作为小行星探测用光学敏感器的原型机,也可作为微小卫星的光学载荷。首先,建立了双谱段相机的技术指标体系;其次,论述了相机的组成和基本工作原理;再次,详细阐述了相机的光学系统和电子学设计;最后,介绍了原理样机的研制情况。 Based on DSP + FPGA architecture, a full-duplex optical system with uncooled infrared detector and CMOS detector is designed and implemented. The camera has both infrared and visible light imaging capabilities, can be used as a prototype of optical sensors for asteroid detection, but also can be used as a micro-satellite optical load. Firstly, the technical index system of dual-band camera is established. Secondly, the composition and basic working principle of the camera are discussed. Thirdly, the optical system and electronics design of the camera are described in detail. Finally, the development of the prototype is introduced.