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浏览/检索结果: 共77条，第1-10条 帮助 限定条件 发表日期：2012    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Empirical and theoretical evidence of economic chaos 期刊论文 2012, 2012 Ping Chen 收藏  |  浏览/下载：4/0  |  提交时间：2017/06/16 Economic Chaos   Analysis of a generalized kinematic impact law for multibody-multicontact systems, with application to the planar rocking block and chains of balls 期刊论文 多体系统动力学, 2012 Brogliato, Bernard; Zhang, Hongjian; Liu, Caishan 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/12 Multiple impacts  Rocking block  Kinetic angle  Kinematic restitution law  Housner model  Chains of balls  Moreau&apos  Coulomb&apos  FRICTIONLESS MULTIPLE IMPACTS  MECHANICAL SYSTEMS  RIGID-BLOCK  DYNAMICS  SIMULATION  MOTION  BODIES  s impact law  s friction   Thermal Performance of Cooled Tips in a High-Pressure Turbine Cascade 期刊论文 journal of propulsion and power, 2012 Zhou, Chao; Hodson, Howard; Lock, Gary 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 HEAT-TRANSFER COEFFICIENTS  FILM-COOLING EFFECTIVENESS  BLADE TIP  ADIABATIC EFFECTIVENESS  SIDE HOLES  PART II  SQUEALER   Video fusion performance evaluation based on structural similarity and human visual perception 期刊论文 signal processing, 2012 Zhang, Qiang; Wang, Long; Li, Huijuan; Ma, Zhaokun 收藏  |  浏览/下载：11/0  |  提交时间：2015/11/12 Objective video fusion quality metric  Structural similarity  Perception characteristics of human visual system  IMAGE QUALITY ASSESSMENT  SPEED PERCEPTION  MODEL   Gait Selection and Transition of Passivity-Based Bipeds with Adaptable Ankle Stiffness 期刊论文 international journal of advanced robotic systems, 2012 Huang, Yan; Wang, Qining 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 Gait selection  gait transition  passive dynamic walking  humanoid robots  joint stiffness  SIMPLEST WALKING MODEL  DYNAMIC WALKING  UPPER-BODY  ENERGETIC EFFICIENCY  FOOT SHAPE  STABILITY  ROBOT  LOCOMOTION  WALKERS  SPEED   A novel video fusion framework using surfacelet transform 期刊论文 optics communications, 2012 Zhang, Qiang; Wang, Long; Ma, Zhaokun; Li, Huijuan 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Video fusion  Surfacelet transform  Spatial-temporal information extraction  Temporal stability and consistency  IMAGE FUSION  CONTOURLET TRANSFORM  DECOMPOSITION   Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine 期刊论文 journal of turbomachinery transactions of the asme, 2012 Zhou, Chao; Hodson, Howard; Tibbott, Ian; Stokes, Mark 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 FILM-COOLING EFFECTIVENESS  PART II  SIMULATED ROTATION  PLANAR CASCADE  FLOW PHYSICS  BLADE TIPS  LEAKAGE  CLEARANCE  FIELD   The resonance interaction of relativistic charged particle and circularly polarized electromagnetic wave 期刊论文 communications in nonlinear science and numerical simulation, 2012 Kong, Ling-Bao; Li, Zhi; Xie, Chao-Ran; Hou, Zhi-Ling 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 Resonance interaction  Analytical expression  Relativistic charged particle  Circular wave  MAGNETIC-FIELD  MOTION   Link between Seismic Velocity Structure and the 2010 M-s 7.1 Yushu Earthquake, Qinghai, China: Evidence from Aftershock Tomography 期刊论文 bulletin of the seismological society of america, 2012 Pei, Shunping; Chen, Yongshun John 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 FAULT  PLATEAU  MOTION   Simulation of the seismic response of 2D sedimentary basin with hybrid PSM/FDM method 其他 2012-01-01 Yan, Wujian; Wang, Yanbin; Shi, Yucheng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/17