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Panoramic camera on the Yutu lunar rover of the Chang'e-3 mission

Research in Astronomy and Astrophysics 2015年第11期15卷 1867-1880页

作者： Jian-Feng Yang Chun-Lai Li Bin Xue Ping Ruan Wei Gao Wei-Dong Qiao Di Lu Xiao-Long Ma Fu Li Ying-Hong He Ting Li Xin Ren Xing-Tao Yan lunar and Deep Space Exploration Technology Laboratory of Xi'an Institute of Optics and Precision Mechanics Chinese Academy of Sciences National Astronomical Observatories Chinese Academy of Sciences

The Chang＇e-3 panoramic camera, which is composed of two cameras with identical functions, performances and interfaces, is installed on the lunar rover mast. It can acquire 3D images of the lunar surface based on the principle of binocular stereo vision. By rotating and pitching the mast, it can take several photographs of the patrol area. After stitching these images, panoramic images of the scenes will be *** the topography and geomorphology of the patrol area and the impact crater, as well as the geological structure of the lunar surface, will be analyzed and *** addition, it can take color photographs of the lander using the bayer color coding principle. It can observe the working status of the lander by switching between static image mode and dynamic video mode with automatic exposure time. The focal length of the lens on the panoramic camera is 50 mm and the field of view is 19.7？umination and viewing conditions, the largest signal-to-no×14.5？.Under the best illise ratio of the panoramic camera is 44 d B. Its static modulation transfer function is 0.33. A large number of ground testing experiments and on-orbit imaging results show that the functional interface of the panoramic camera works normally. The image quality of the panoramic camera is satisfactory. All the performance parameters of the panoramic camera satisfy the design requirements.

关键词： camera rover lunar viewing satisfactory calibration bayer correction rotating satisfy

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