Share Email Print
cover

Proceedings Paper

Development of control circuits for the CCD stereo camera of Chang'E-1 satellite based on FPGA
Author(s): Yong-qiang Duan; De-sheng Wen; Wei Gao; Pei-yun Zheng; Bao-chang Zhao
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

The CCD Stereo Camera is a principal science payload on board the Chang'E-1 (CE-1) satellite, developed and launched by China for the first Lunar Exploration Program. The principal task of the camera is to take image of the lunar surface in the visible band and obtains three-dimensional lunar terrain. The CCD Stereo Camera is designed based on threelinear array photogrammetric theories. The focal plane of the camera is comprised of a frame transfer CCD with size of 1024x1024 pixels. There are only three lines to be used to form a three-linear array, and the other lines are not used. The timing and control circuits of the camera are designed based on FPGA. An Actel's anti-fuse based FPGA, A1020B, is available, but the speed and logical resources of the device both are limited. This paper describes the design requirements, considerations and trade-off subject to the constraints. Especially, A novel logic circuit is introduced to generate the pulses with width of about 10ns~20ns with constraint of 8MHz external clock, which is used to design correlated double sampling (CDS) control signals and CCD reset signal. Finally, the result of flying verifications on-board of the timing and control circuits are also described.

Paper Details

Date Published: 16 August 2011
PDF: 9 pages
Proc. SPIE 8196, International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, 819614 (16 August 2011); doi: 10.1117/12.900345
Show Author Affiliations
Yong-qiang Duan, Xi'an Institute of Optics and Precision Mechanics (China)
Graduate Univ. of CAS (China)
De-sheng Wen, Xi'an Institute of Optics and Precision Mechanics (China)
Wei Gao, Xi'an Institute of Optics and Precision Mechanics (China)
Pei-yun Zheng, Xi'an Institute of Optics and Precision Mechanics (China)
Bao-chang Zhao, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 8196:
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications
John C. Zarnecki; Carl A. Nardell; Rong Shu; Jianfeng Yang; Yunhua Zhang, Editor(s)

© SPIE. Terms of Use
Back to Top