中国科学院机构知识库网格系统: 检索

浏览/检索结果: 共4条，第1-4条

帮助

条数/页：排序方式：
	Characteristic of tradeoffs between timber production and carbon storage for plantation under harvesting impact: A case study of Huitong National Research Station of Forest Ecosystem 期刊论文 OAI收割 JOURNAL OF GEOGRAPHICAL SCIENCES, 2018, 卷号: 28, 期号: 8, 页码: 1085-1098 作者: Zhu Jianjia; Dai Erfu; Zheng Du; Wang Xiaoli \| 收藏 \| 浏览/下载：23/0 \| 提交时间：2019/05/23 timber production carbon storage plantation tradeoffs analysis Huitong eco-station
	Characteristic of tradeoffs between timber production and carbon storage for plantation under harvesting impact: A case study of Huitong National Research Station of Forest Ecosystem 期刊论文 OAI收割 JOURNAL OF GEOGRAPHICAL SCIENCES, 2018, 卷号: 28, 期号: 8, 页码: 1085-1098 作者: Zhu Jianjia; Dai Erfu; Zheng Du; Wang Xiaoli \| 收藏 \| 浏览/下载：12/0 \| 提交时间：2019/05/23 timber production carbon storage plantation tradeoffs analysis Huitong eco-station
	The impact of land-use change on water-related ecosystem services: a study of the Guishui River Basin, Beijing, China 期刊论文 OAI收割 JOURNAL OF CLEANER PRODUCTION, 2017, 卷号: 163, 期号: 10, 页码: S148-S155 作者: Zhou, Chuanbin; Gao, Jie; Li, Feng; Gao, Hui; Zhang, Xiaoling \| 收藏 \| 浏览/下载：59/0 \| 提交时间：2018/07/20 Land-use Change Ecosystem Services Scenario Analysis Integrated Valuation Of Ecosystem Services And tradeOffs (Invest) Guishui River Basin
	Geometrical modulation transfer function of different active pixel of CMOS APS (EI CONFERENCE) 会议论文 OAI收割 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 2, 2005 - November 5, 2005, Zian, China 作者: Li J.; Liu J.; Liu J.; Liu J.; Li J. 收藏 \| 浏览/下载：23/0 \| 提交时间：2013/03/25 The geometrical Modulation Transfer Function (MTF) of CMOS APS (active pixel sensor) is analyzed in this paper. Advanced APS have been designed and fabricated where different pixel shapes such as square rectangle and L shape were placed because the amplifier circuit and other function circuits inter pixel of APS take up some pixel area. MTF is an important figure of merit in focal plane array imaging sensors. Research on analyzing the MTF for the proper pixel shape is currently in progress for a centroidal configuration of a target position. MTF will give us a more complete understanding of the tradeoffs opposed by the different pixel designs and by the signal processing conditions. Based on image sensor sampling and reconstructing model the MTF expression of any active pixel shape has been deduced in this paper. According to actual pixel shape three different active area pixels were analyzed they were square rectangle and L shape their Fill Factor (FF) is 30% 44% and 55% respectively. Results of simulation experiments indicate that different pixel geometrical characteristics contribute significantly to the figures of their MTF. Different geometrical shape of active sensitive area of pixel and different station in pixel would influence MTF figures. The analysis results are important in designing better APS pixel and more important in analyzing imaging system performance of APS subpixel precision system.