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	Disentangling the effects of dispersal mode on the assembly of macroinvertebrate assemblages in a heterogeneous highland region 期刊论文 OAI收割 FRESHWATER SCIENCE, 2019, 卷号: 38, 期号: 1, 页码: 170-182 作者: Li, Zhengfei; Wang, Jun; Meng, Xingtiang; Heino, Jani; Sun, Meiqin \| 收藏 \| 浏览/下载：73/0 \| 提交时间：2019/06/10 Tibetan streams dispersal mode elevational gradient glacial streams spatial effects environmental filtering
	动态推荐系统关键技术研究学位论文 OAI收割工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2011 作者: 项亮收藏 \| 浏览/下载：471/0 \| 提交时间：2015/09/02 推荐系统个性化协同过滤时间效应季节效应推荐系统动态特性 recommender system personalization collaborative filtering temporal effects seasonal effects temporal dynamics in recommender systems
	Remote sensing image restoration using estimated point spread function (EI CONFERENCE) 会议论文 OAI收割 2010 International Conference on Information, Networking and Automation, ICINA 2010, October 17, 2010 - October 19, 2010, Kunming, China 作者: Yang L.; Yang L. 收藏 \| 浏览/下载：48/0 \| 提交时间：2013/03/25 In order to reduce image blur caused by the degradation phenomenon in the imaging process the acquired images of the space remote sensing camera are restored. First the frequency-domain notch filter is adopted to remove strip noises in the images. Then degradation function which is referred to as the point spread function (PSF) of the imaging system is estimated using the knife-edge method. To improve the accuracy of the estimation the estimated PSF is adjusted with Gaussian fitting. Finally the images are restored by Wiener filtering with the fitted PSF. The restoration results of the remote sensing images show that almost all strip noises are eliminated by the notch filter. After denoising and restoration the variance of the remote sensing image worked with in this paper increases 30.979 and the gray mean gradient increases 3.312. Due to Gaussian fitting the accuracy of the PSF estimation is heightened. Image restoration with the final PSF is benefit to interpreting and analyzing the remote sensing images. After restoration the contrasts of the restored images are increased and the visual effects become clearer. 2010 IEEE.
	A MULTI-POND SYSTEM AS A PROTECTIVE ZONE FOR THE MANAGEMENT OF LAKES IN CHINA 期刊论文 OAI收割 HYDROBIOLOGIA, 1993, 卷号: 251, 期号: 2015-01-03, 页码: 321-329 作者: YIN, CQ; ZHAO, M; JIN, WG; LAN, ZW 收藏 \| 浏览/下载：27/0 \| 提交时间：2015/12/16 MULTI-POND SYSTEM NONPOINT POLLUTION ECOTONE FILTERING EFFECTS
	相移光纤光栅的光热效应研究学位论文 OAI收割作者: 丁孟 \| 收藏 \| 浏览/下载：60/0 \| 提交时间：2018/12/26 相移光纤光栅 Phase-shifted Fiber Bragg gratings 光热效应 Photothermal Effects 激光器 Laser 损耗 Loss 滤波器 Wavelength Filtering Devices