维普中文期刊产品整合服务
33篇 您的检索式:作者名="LONGH"
    题名 作者 年代 出处 被引量
1Damage detection test of a substructure model of the National Swimming Center显示文摘In order to detect the damage locations of complex spatial structures, a sensor region-based damage detection approach was developed based on the damage locating vectors method. A normalized damage locating index was introduced to identify the damage regions. An experiment on damage detection of a substructure model of the National Swimming Center 'Water Cube' was carried out. Two damage patterns were involved in the experiment. The test model was excited by using hammer impacts. Acceleration responses of the undamaged and damaged structure model were measured. Modal parameters were identified from the acceleration responses by utilizing the eigensystem realization algorithm (ERA). By using the developed sensor region-based method, the damage regions of the substructure model were located. The results show that the proposed method is able to effec- tively locate the damage regions.QIAN JiaRu JI XiaoDong ZHANG WeiJing XU LongHe FU XueYi GU Lei 2008Science China(Technological Sciences)2008,51,7:3
2Vehicle-to-Infrastructure Channel Characterization in Urban Environment at 28 GHz显示文摘Both ultra-reliable low latency and high-data-rate communications are required by connective vehicles. Millimeter wave(mm Wave) with large bandwidth is a key technology to support high-data-rate communications. In this paper, the 28 GHz wideband vehicle-to-infrastructure channel is characterized for the urban environment in a major street in Manhattan. The deployment of the transmitter and the receiver, as well as the traffic models, are selected by considering the recommendation by 3GPP TR 37.885. Ray tracing simulator with calibrated electromagnetic parameters is employed in this work to practically conduct intensive simulations. The 3D environment model is reconstructed from OpenStreetMap. The power delay profile, path loss, root-meansquare delay spread, K-factor and so on, are extracted from the calibrated simulation results. The evolution of the parameters, as well as their statistical properties, are analyzed and modeled. The work of this paper helps the researchers understand the propagation channel for designing mmWave technologies and communication system in a similar scenario.Longhe Wang Bo Ai Danping He Ke Guan Jiayi Zhang Junhyeong Kim Zhangdui Zhong 2019China Communications2019,16,2:3
3Two dimensional coupled oscillators array with rhombus structure and its application in active antenna array显示文摘Beam scanning and forming can be achieved by coupled oscillators array without phase shifter. Active antenna array based on coupled oscillators array has the vir-tue of low cost, high integration, and high efficiency. Traditional two dimensional coupled oscillators array has been arranged on rectangular lattices, and phase difference of adjacent elements is limited to [?90°, 90°]. Therefore, the beam scan-ning range is limited to [?30°, 30°] from normal for half wavelength element spacing. A new two dimensional coupled oscillators array with rhombus structure is pre-sented. Phase control method and phase error of the array are also provided. Sta-bility of the array is analyzed, and stable condition is given. When this coupled os-cillators array with rhombus structure is used in active antenna array, theoretical results show that phase difference of adjacent elements reach the limit of [?180°, 180°] along the horizontal and vertical directions. Therefore, it has wider beam scanning range than that of a rectangular lattice structure.ZHAI LongJun JIANG YongHua LIU LongHe 2008Science in China(Series F)2008,51,12:3
4Significance of vulnerability assessment in establishment of Hainan provincal disaster medical system显示文摘Hainan is an island province in south China with a high frequency of unconventional emergencies due to its special geographic location and national military defense role.Given the limited transportation route from Hainan to the outside world,self-rescue is more important to Hainan Province than other provinces in China and it is therefore imperative to establish an independent, scientific as well as efficient provincal disaster medical system in Hainan.The regulatory role for vulnerability analysis/assessment has been demonstrated in establisment of disaster medical system in varoius countries and or regions.In this paper,we attempt to describe/propose how to adopt vulnerability assessment through mathematical modeling of major biophysical social vulnerability factors to establish an independent,scientific,effieicnt and comprehensive provincial disaster medical system in Hainan.Min Li Chuanzhu Lu Wei Son Junhong Miao Yipeng Ding Longhe Li Leilei Zhang Nin Zhao Bijiang Hu Yunjun Zhang 2011Asian Pacific Journal of Tropical Medicine2011,4,8:2
5Performance tests and hysteresis model of MRF-04K damper显示文摘Li Zhongxian Xu Longhe 2005Journal of Structural Engineering ASCE2005,131,8:1
6Performance tests and hysteresis model of MRF-04K damper 显示文摘Li Zhongxian Xu Longhe 2005Journal of Structural Engineering-ASCE2005,131,8:1
7Expression of FGF-l and FGF-2 mRNA during lens morphogenesis,diferentiation and growth显示文摘Lovicu FJ de Longh RU McAvoy JW 1997Curr Eye Res1997,16,:1
8Extracellular matrix and integrin signaling in lens development and cataract显示文摘Wederell E D De Longh R U 2006Semin Cell Dev Biol2006,17,6:1
9The Researchof Emergency Rescue Sites Layout During the HighwayReconstruction 显示文摘NI Longhe ZUO Junzhong LU Huabing 2012Applied Mechanics and Materials2012,,178179180181:1
10Ciliary detects in healthy subjects, bron- chiectasis,and primm'y cilia - rydyskinesia 显示文摘De Longh Ru Rutland J 1995Am J Respair Crit- Care Med1995,151,5:1
11显示文摘LiuZJ LongH H YeWC etal 2006J MagnMagn Mater2006,303,:1
12Performance tests and hysteresis model of MRF-04K damper显示文摘Li Zhongxian Xu Longhe 2005Journal of Structural Engineering-ASCE2005,131,8:1
13Structure,composition and diversity of plant communities in FSC-certified,selectively logged forests of different ages compared to primary rain forest显示文摘Arbainsyah de Longh HH Kustiawan W de Snoo GR 2014Biodivers Conserv2014,23,10:1
14Lens development显示文摘McAvoy J W Chamberlain C G de Longh R U 1999Eye1999,13,:1
15Expression of FGF-1 and FGF-2 mRNA during lens morphogenesis, differentiation and growth 显示文摘Lovicu FJ de longh RU McAvoy JW 1997Curt Eye Res1997,16,:1
16Early to mid-Holocene rapid sea-level rise and coastal response on the southern Yangtze delta plain, China显示文摘WANGZ ZHANQ LONGH SAITOY GAOX WUX LIL ZHAO Y 2013Journal of Quaternary Science2013,28,7:1
17Ciliary defects in healthy subjects, bronchiectasis, and primary ciliary dyskinesia显示文摘De Longh RU Rutland J 1995Am J Respir Crit Care Med1995,151,5:1
18Semi-active multi-step predictive control of structures using MR dampers 显示文摘Xu Longhe Li Zhongxian 2008Earthquake Engineering and Structural Dynamics2008,37,12:1
19Lens development显示文摘McAvoy JW Chamberlain CG de longh RU 0,,:1
20The structure of the culturable root bacterial endophyte community of Nicotiana attenuata is organized by soil composition and host plant ethylene production and perception显示文摘LongH H Sonntag D G Sehmidt D D 2010New Phytologist2010,185,2:1
返回顶部 每页显示:
共2页 首页 上一页 第1页 下一页 末页 /2 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费