机构

• 长春光学精密机械与物... [1]
• 紫金山天文台 [1]

采集方式

• OAI收割 [2]

内容类型

• 会议论文 [1]
• 期刊论文 [1]

发表日期

• 2008 [1]
• 1987 [1]

学科主题

• 天文和天体物理 [1]

筛选

浏览/检索结果: 共2条，第1-2条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Driving techniques for high frame rate CCD camera (EI CONFERENCE) 会议论文  OAI收割 Electronic Imaging and Multimedia Technology V, November 12, 2007 - November 15, 2007, Beijing, China Guo W.; Jin L.; Xiong J. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 This paper describes a high-frame rate CCD camera capable of operating at 100 frames/s. This camera utilizes Kodak KAI-0340  an interline transfer CCD with 640(vertical)480(horizontal) pixels. Two output ports are used to read out CCD data and pixel rates approaching 30 MHz. Because of its reduced effective opacity of vertical charge transfer registers  interline transfer CCD can cause undesired image artifacts  such as random white spots and smear generated in the registers. To increase frame rate  a kind of speed-up structure has been incorporated inside KAI-0340  then it is vulnerable to a vertical stripe effect. The phenomena which mentioned above may severely impair the image quality. To solve these problems  some electronic methods of eliminating these artifacts are adopted. Special clocking mode can dump the unwanted charge quickly  then the fast readout of the images  cleared of smear  follows immediately. Amplifier is used to sense and correct delay mismatch between the dual phase vertical clock pulses  the transition edges become close to coincident  so vertical stripes disappear. Results obtained with the CCD camera are shown.   1986年哈雷彗星的分裂 期刊论文  OAI收割 中国科学(A辑 数学 物理学 天文学 技术科学), 1987, 期号: 10, 页码: 1081-1086 陈道汉,郑家庆,刘宗礼,阎林山,刘麟仲,周兴海,武志贤,A.C.Gilmore 收藏  |  浏览/下载：64/0  |  提交时间：2012/12/22 哈雷彗星  中国科学院  紫金山天文台  哈雷慧星  Kodak  增强处理  滤光片  彗核  数字成像  喷流