资源一号02D卫星可见近红外相机技术与验证  

Design and Verification of Visible and Near-infrared Camera for ZY-1-02D Satellite

作　　者：李庆林[1,2] 徐先锋[1,2] 魏志勇[1,2] 袁安波[3] 张占东[1,2] 安萌[4] 于生全[1,2] LI Qinglin;XU Xianfeng;WEI Zhiyong;YUAN Anbo;ZHANG Zhandong;AN Meng;YU Shengquan(Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China;Beijing Key Laboratory of Advanced Optical Remote Sensing Technology, Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China;Chongqing Optoelectronics Research Institute, Chongqing 400060, China;Beijing Institute of Spacecraft System Engineering, Beijing 100094, China)

机构地区：[1]北京空间机电研究所,北京100094 [2]北京空间机电研究所先进光学遥感技术北京市重点实验室,北京100094 [3]重庆光电技术研究所,重庆400060 [4]北京空间飞行器总体设计部,北京100094

出　　处：《航天器工程》2020年第6期78-84,共7页Spacecraft Engineering

基　　金：国家重大航天工程。

摘　　要：资源一号02D卫星主载荷可见近红外相机可以获取2.5m(全色)/10m(多光谱)地面像元分辨率影像、115km大幅宽地面景物,具有1个全色和8个多光谱谱段。为满足多谱段图像信息获取的需求,可见近红外相机从光学系统设计入手,通过采用双通道成像方式实现一台相机设置9个光谱谱段。研制过程中攻克了四色探测器的研制、双通道谱段间的配准、高集成电路设计、光机结构高稳定性设计等关键技术,有效地保证了相机的高性能指标。通过地面测试和在轨运行情况表明:相机设计合理,相机功能、性能满足研制要求,在轨图像品质优异。As one of the most important optical payloads on the ZY-1-02D satellite,the visible and near-infrared camera has the ability to obtain panchromatic images with a 2.5m GSD and multispectral images with a 10m GSD,both with 115km swath width,providing panchromatic and 8-band multispectral images at the same time.To meet the requirement of obtaining multispectral images,the visible and near-infrared camera is specifically designed in its optical system,which enables to obtain images of 9 bands at the same time by using a dual-channel design.Several key technologies were solved during the developing process,such as research on four-color detectors,registration of dual-channel,design of integrated circuits and high stability design of optical-mechanical structure.The key technologies ensure the performance indexes of the camera.Ground testing and in-orbit operation status indicate that the camera design is rational,the function and performances of the camera completely meet the requirements and the in-orbit image quality is excellent.

关 键 词：资源一号02D卫星 可见近红外相机 离轴三反系统 时间延时积分电荷耦合器件 双通道配准 

分 类 号：V443.5[航空宇航科学与技术—飞行器设计]