机构

• 地理科学与资源研究所 [2]
• 长春光学精密机械与物... [2]
• 软件研究所 [1]

采集方式

• OAI收割 [5]

内容类型

• 会议论文 [3]
• 期刊论文 [2]

发表日期

• 2019 [2]
• 2011 [1]
• 2009 [1]
• 2004 [1]

学科主题

筛选

浏览/检索结果: 共5条，第1-5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 Nitrogen addition reduces soil respiration but increases the relative contribution of heterotrophic component in an alpine meadow 期刊论文  OAI收割 FUNCTIONAL ECOLOGY, 2019, 页码: 15 作者:  Wang, Jinsong;  Song, Bing;  Ma, Fangfang;  Tian, Dashuan;  Li, Yong   |  收藏  |  浏览/下载：95/0  |  提交时间：2020/03/23 nitrogen addition gradient  nonlinear response  plant community composition  sensitivity  soil respiration components  soil substrate quality  soil temperature   Nitrogen addition reduces soil respiration but increases the relative contribution of heterotrophic component in an alpine meadow 期刊论文  OAI收割 FUNCTIONAL ECOLOGY, 2019, 页码: 15 作者:  Wang, Jinsong;  Song, Bing;  Ma, Fangfang;  Tian, Dashuan;  Li, Yong   |  收藏  |  浏览/下载：19/0  |  提交时间：2020/03/23 nitrogen addition gradient  nonlinear response  plant community composition  sensitivity  soil respiration components  soil substrate quality  soil temperature   Contact-impact analys with clearance hinge in flexible multi-body system (EI CONFERENCE) 会议论文  OAI收割 2nd Annual Conference on Electrical and Control Engineering, ICECE 2011, September 16, 2011 - September 18, 2011, Yichang, China Ge M.; Jia H.; Liu B. 收藏  |  浏览/下载：52/0  |  提交时间：2013/03/25 Hinge in mechanical systems exist small clearance and contact deformation  After consideration of flexible components  cause the system to the wear and tear  impact force reduced at the clearance  noise  contact time increased  vibration  contact-impact areas expand and clearance also caused disturbance of the rod angular velocity of the linkage. 2011 IEEE.  reliability reduce or even failure[1]. Therefore  the hinge clearance and the impact of flexible components in kinetic models should be considered. In this paper  a nonlinear spring-damper hinge clearance model is considered to establish mechanical system structure of dynamic equations[46]  through a four-bar linkage hinge with multi-clearance rotation of ADAMS dynamic simulation for dynamics simulation study. Simulation results show that hinge clearance and link flexible in Four-link mechanism dynamics have a great impact on performance: connection with the clearance lead to pin holes to produce a series of collisions  and a larger initial impact force   Space camera focusing forecast based on RBF network (EI CONFERENCE) 会议论文  OAI收割 Computational Intelligence and Intelligent Systems: 4th International Symposium, ISICA 2009, Huangshi, China, October 23-25, 2009. Proceedings, Tiergartenstrasse 17, Heidelberg, D-69121, Germany 作者:  Liu J.;  Yu D.;  Yu D.;  Liu J.;  Liu J. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 As circumstance temperature of space camera changes  flex of structural components and distortion of optical components lead to change of focal length and image quality. Radial Basis Function (RBF) network is used to approximate the complex nonlinear relation between focalization quantity  image quality  temperature level and axial temperature difference of space camera. After the RBF Network is trained with thermo-optical experiment data  temperature level and axial temperature difference could be input to the network to obtain colder value of best image position. In this way focusing forecast under different temperatures can be realized. Results of focusing forecast experiment validate this method. 2009 Springer-Verlag Berlin Heidelberg.   an effective evolutionary strategy for bijective s-boxes 会议论文  OAI收割 Congress on Evolutionary Computation (CEC 2004), Portland, OR, JUN 19-23, Chen H; Feng DG   |  收藏  |  浏览/下载：28/0  |  提交时间：2011/07/29 bijective S-boxes  block ciphers  breeding strategy  cryptographic algorithms  evolutionary strategy  fitness function  genetic algorithms  hill climbing algorithm  nonlinear components  security control  cryptography  genetic algorithms