The imaging system design of three-line LMCCD mapping camera

Huai-de Zhou; Jin-Guo Liu; Xing-Xing Wu; Shi-Liang Lv; Ying Zhao; Da Yu

doi:10.1117/12.900246

18 August 2011 The imaging system design of three-line LMCCD mapping camera

Huai-de Zhou, Jin-Guo Liu, Xing-Xing Wu, Shi-Liang Lv, Ying Zhao, Da Yu

Proceedings Volume 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications; 81941N (2011) https://doi.org/10.1117/12.900246
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

In this paper, the authors introduced the theory about LMCCD (line-matrix CCD) mapping camera firstly. On top of the introduction were consists of the imaging system of LMCCD mapping camera. Secondly, some pivotal designs which were Introduced about the imaging system, such as the design of focal plane module, the video signal's procession, the controller's design of the imaging system, synchronous photography about forward and nadir and backward camera and the nadir camera of line-matrix CCD. At last, the test results of LMCCD mapping camera imaging system were introduced. The results as following: the precision of synchronous photography about forward and nadir and backward camera is better than 4 ns and the nadir camera of line-matrix CCD is better than 4 ns too; the photography interval of line-matrix CCD of the nadir camera can satisfy the butter requirements of LMCCD focal plane module; the SNR tested in laboratory is better than 95 under typical working condition(the solar incidence degree is 30, the reflectivity of the earth's surface is 0.3) of each CCD image; the temperature of the focal plane module is controlled under 30° in a working period of 15 minutes. All of these results can satisfy the requirements about the synchronous photography, the temperature control of focal plane module and SNR, Which give the guarantee of precision for satellite photogrammetry.

Citation Download Citation

Huai-de Zhou, Jin-Guo Liu, Xing-Xing Wu, Shi-Liang Lv, Ying Zhao, and Da Yu "The imaging system design of three-line LMCCD mapping camera", Proc. SPIE 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, 81941N (18 August 2011); https://doi.org/10.1117/12.900246

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KEYWORDS

Cameras

CCD cameras

Video processing

Imaging systems

Video

Signal processing

Photogrammetry

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