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浏览/检索结果: 共15条，第1-10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 A High-Output-Swing 64-Gb/s PAM-4 Transmitter with a 4-Tap Hybrid FFE in 28-nm CMOS 期刊论文  OAI收割 IEICE ELECTRONICS EXPRESS, 2024, 页码: 6 作者:  Xu, Hua;  Zheng, Xuqiang;  Wang, Zedong;  Cai, Chen;  Zhen, Wenxiang   |  收藏  |  浏览/下载：13/0  |  提交时间：2024/05/20 Baud-spaced de-emphasis BS-DE  feed-forward equalizer FFe  four level pulse amplitude modulation PAM-4  fractionally spaced pre emphassi FS-Pe  high speed transmitter  high swing   中国地级及以上城市四化水平对绿色发展的空间计量分析 期刊论文  OAI收割 经济地理, 2020, 卷号: 40, 期号: 4, 页码: 184 作者:  季永月;  张丽君;  秦耀辰;  陈吉龙;  吴胜军   |  收藏  |  浏览/下载：28/0  |  提交时间：2020/08/24 green development level  spatio-temporal pattern  the development of "four modernizations"  SDM  China  绿色发展水平  时空分异  “四化”发展  SDM模型  中国   Can water level management, stock enhancement, and fishery restriction offset negative effects of hydrological changes on the four major Chinese carps in China's largest freshwater lake? 期刊论文  OAI收割 ECOLOGICAL MODELLING, 2019, 卷号: 403, 页码: 1-10 作者:  Wang, Yuyu;  Kao, Yu-Chun;  Zhou, Yangming;  Zhang, Huan;  Yu, Xiubo   |  收藏  |  浏览/下载：101/0  |  提交时间：2019/09/24 Poyang Lake fisheries  Three Gorges Dam  Habitat connectivity  Water level management  Stock enhancement  The four major Chinese carps   Near-Infrared Organic Single-Crystal Lasers with Polymorphism-Dependent Excited State Intramolecular Proton Transfer 期刊论文  OAI收割 ADVANCED OPTICAL MATERIALS, 2017, 卷号: 5, 期号: 12 作者:  Wang, Xuedong;  Li, Zhi-Zhou;  Li, Shi-Feng;  Li, Hui;  Chen, Jianwei   |  收藏  |  浏览/下载：69/0  |  提交时间：2018/04/13 Excited State Intramolecular Proton Transfer  Four-level Energy Systems  Near-infrared  Organic Polymorphs  Solid-state Lasers   Study of horizontal shafting with spherical four-way structure (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China 作者:  Yang L.;  Yang L. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 Altazimuth photoelectric theodolite level shaft U-type and T-type structure  but with the expanding field of applications of photoelectric theodolite  the horizontal shaft structure occur great changes. For example  in the marine environment  shipboard conditions  the instrument has a waterproof  corrosion-resistant  easy maintenance and other functions  while carrier-based optoelectronic devices from a single visible television configure the development of integrated infrared system and ranging system as one of the single-station measurement system  due to the spherical structure has sufficient internal space exactly adapted to this need. In this paper  the horizontal axis of a spherical four-way structure. From aspects of the spherical four-way split in the form and shafting design and finite element analysis of the detailed design. A spherical four-way horizontal axis system  diameter 550mm  weight 19kg sphere  in the 40kg load  the maximum deformation of 3.3m  fully meet the requirements. The shaft of the structure of the shaking is less than 2 arc seconds  the vibration test  the re-examination instrument accuracy change is less than 1 arc seconds. Verify that the structure is stable and reliable. 2012 IEEE.   Approach for detecting crowd panic behavior based on fluid kinematic features and entropy (EI CONFERENCE) 会议论文  OAI收割 International Workshop on Advanced Computational Intelligence and Intelligent Informatics, IWACIII 2011, November 19, 2011 - November 23, 2011, Suzhou, China 作者:  Li Y.;  Li Y. 收藏  |  浏览/下载：26/0  |  提交时间：2013/03/25 Crowd panic behavior detection is an important task in video analysis and event recognition  whose purpose is to detect when the panic behavior happened and alarming the abnormal event timely. In this paper  the crowd is regard as a fluid  and the crowd motion is described by four fluid kinematic features (divergence  vorticity  gradient tensor invariant and rotation tensor invariant). To discriminate the panic event from normal crowd behavior  an information entropy is calculated as a high level feature based on the fluid kinematic features. Experimental results show that the entropy raised dramatically once a panic event happened.   Phase control of switching from positive to negative index material in a four-level atomic system 期刊论文  OAI收割 j. phys. b-at. mol. opt. phys., 2008, 卷号: 41, 期号: 12, 页码: 125503 张红军; 钮月萍; 孙辉; Luo Jian; 龚尚庆 收藏  |  浏览/下载：870/68  |  提交时间：2009/09/18 Applied fields  Atomic systems  Different frequencies  Four-level atomic systems  Magnetic responses  Negative index material (NIM)  Negative-index  Positive index material (PM)  Probe fields   Atom localization in a four-level alkaline earth atomic system 期刊论文  OAI收割 j. mod. opt., 2008, 卷号: 55, 期号: 1, 页码: 155, 165 Jin Luling; Cheng Dongchao; 孙辉; 钮月萍; 金石琦; 龚尚庆 收藏  |  浏览/下载：888/107  |  提交时间：2009/09/18 Atom localization  Four-level alkaline earth atomic systems  Localization peak positions  Optical fields   Two-photon asymmetric color-locking second-order stochastic correlation of attosecond polarization beats 期刊论文  OAI收割 acta physica sinica, 2007, 卷号: 56, 期号: 5, 页码: 2670-2677 作者:  Gan Chen-Li;  Zhang Yan-Peng;  Yu Xiao-Jun;  Nie Zhi-Qiang;  Li Ling 收藏  |  浏览/下载：87/17  |  提交时间：2010/01/12 attosecond sum-frequency  polarization beat  four-level  two-photon   Real-time quality control on a smart camera (EI CONFERENCE) 会议论文  OAI收割 ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China Xiao C.; Zhou H.; Li G.; Hao Z. 收藏  |  浏览/下载：29/0  |  提交时间：2013/03/25 A smart camera is composed of a video sensing  high-level video processing  communication and other affiliations within a single device. Such cameras are very important devices in quality control systems. This paper presents a prototyping development of a smart camera for quality control. The smart camera is divided to four parts: a CMOS sensor  a digital signal processor (DSP)  a CPLD and a display device. In order to improving the processing speed  low-level and high-level video processing algorithms are discussed to the embedded DSP-based platforms. The algorithms can quickly and automatic detect productions' quality defaults. All algorithms are tested under a Matlab-based prototyping implementation and migrated to the smart camera. The smart camera prototype automatic processes the video data and streams the results of the video data to the display devices and control devices. Control signals are send to produce-line to adjust the producing state within the required real-time constrains.