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Proceedings Paper

Synchronous control analysis of TDI-CCD imaging system
Author(s): L. Zhang; Y. X. Li; X. W. Xu
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Paper Abstract

The paper describes structure and principle of TDI-CCD image sensor. With help of the Modulated Transfer Function (MTF), the negative effect on image quality is fully analyzed, which is caused by the mismatch between TDI-CCD line scanning and velocity of image motion. After theory analysis and experiments, the results show that within the Nyquist frequency, only the synchronous error is strictly controlled in the range of ±2%, and a continuous four-phase imaging clock is employed, the effects of image motion is basically eliminated during process of imaging.

Paper Details

Date Published: 29 January 2007
PDF: 6 pages
Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62795Q (29 January 2007); doi: 10.1117/12.725451
Show Author Affiliations
L. Zhang, Nanjing Univ. of Science & Technology (China)
Y. X. Li, Nanjing Univ. of Science & Technology (China)
X. W. Xu, Hefei Univ. (China)

Published in SPIE Proceedings Vol. 6279:
27th International Congress on High-Speed Photography and Photonics

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