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Noise analysis and measurement of time delay and integration charge coupled device |
Wang De-Jiang(王德江)a)b)† and Zhang Tao(张涛)a) |
a Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; b Graduate School of the Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Time delay and integration (TDI) charge coupled device (CCD) noise sets a fundamental limit on image sensor performance, especially under low illumination in remote sensing applications. After introducing the complete sources of CCD noise, we study the effects of TDI operation mode on noise, and the relationship between different types of noise and number of the TDI stage. Then we propose a new technique to identify and measure sources of TDI CCD noise employing mathematical statistics theory, where theoretical analysis shows that noise estimated formulation converges well. Finally, we establish a testing platform to carry out experiments, and a standard TDI CCD is calibrated by using the proposed method. The experimental results show that the noise analysis and measurement methods presented in this paper are useful for modeling TDI CCDs.
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Received: 22 December 2010
Revised: 06 April 2011
Accepted manuscript online:
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PACS:
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72.70.+m
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(Noise processes and phenomena)
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Fund: Project supported by the National High Technology Research and Development Program of China (Grant No. 2006AA06A208). |
Cite this article:
Wang De-Jiang(王德江) and Zhang Tao(张涛) Noise analysis and measurement of time delay and integration charge coupled device 2011 Chin. Phys. B 20 087202
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