Research on high-speed TDICCD remote sensing camera video signal processing

中国邮电高校学报(英文) ›› 2009, Vol. 16 ›› Issue (3): 95-102.doi:

Research on high-speed TDICCD remote sensing camera video signal processing

张达,徐抒岩,孟庆巨

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-06-30
通讯作者: 张达

Research on high-speed TDICCD remote sensing camera video signal processing

ZHANG Da, XU Shu-yan, MENG Qing-ju

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Received:1900-01-01 Revised:1900-01-01 Online:2009-06-30
Contact: ZHANG Da

摘要/Abstract

摘要：

Video signal processing needs high signal-to-noise ratio (SNR) in high-speed time delay and integration charge coupled devices (TDICCD). To solve this problem, this article first analyzes the characteristics of the output video signal of a new type of high-speed TDICCD and its operation principle. Then it studies the correlation double sample (CDS) method of reducing noise. Following that a synthesized processing method is proposed, including correlation double sample, programmable gain control, line calibration and digital offset control, etc. Among the methods, XRD98L59 is a video signal processor for the charge coupled device (CCD). Application of this processor to one kind of high-speed TDICCD with eight output ports achieves perfect video images. The experiment result indicates that the SNR of the images reaches about 50 dB. The video signal processing for high-speed multi-channel TDICCD is implemented, which meets the required project index.

关键词:

charge;coupled;device,;correlated;double;sample,;programmable;gain;control,;digital;offset;control

Abstract:

Key words:

charge coupled device;correlated double sample;programmable gain control;digital offset control

ZHANG Da, XU Shu-yan, MENG Qing-ju. Research on high-speed TDICCD remote sensing camera video signal processing[J]. Acta Metallurgica Sinica(English letters), 2009, 16(3): 95-102.

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Research on high-speed TDICCD remote sensing camera video signal processing

Research on high-speed TDICCD remote sensing camera video signal processing

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