Noise Processing Technology of a TDICCD Sensor
In the application of TDI-CCD, because of its serious noise interference, the imaging quality is reduced, so that it is necessary to study the noise characteristics of TDI-CCD. There are two categories of noise, one is the inherent noise, including shot noise, dark current noise, fixed pattern noise and transfer noise etc.; the other is all kinds of interference noise produced in the working process of a TDI-CCD, such as reset noise and 1 / f noise, etc. According to the features of noise, this paper has studied the corresponding noise-processing technology. For dark current noise, refrigeration is taken; for reset noise, correlated double sampling is employed. The experimental results show that after noise processing, the output S/N has been raised to about 50 dB.
TDICCD noise inherent noise shot noise fixed pattern noise reset noise
ZHANG Li-ping HE Jin-qi Dai Hongliang WAN Chun-ming
College of communication Jilin University, Jilin 130022, China College of ScienceChangchun University of Science and Technology, Jilin 130022, China Changchun Inst Center for Computer Fundamental Education, Jilin university, ChangChun 130025 College of ScienceChangchun University of Science and Technology, Jilin 130022, China
国际会议
长春
英文
395-398
2010-08-24（万方平台首次上网日期，不代表论文的发表时间）