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浏览/检索结果: 共10条，第1-10条 帮助 限定条件 内容类型：期刊论文    专题：兰州理工大学    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 The initial radius of lightning return stroke channel and its relation with discharge intensity 期刊论文 Atmospheric Research, 2022, 卷号: 273 作者:  Wang, Wangsheng;  Yuan, Ping;  Huang, Xin;  Wan, Ruibin;  Qin, Yuanshuai 收藏  |  浏览/下载：32/0  |  提交时间：2022/04/21 Lightning  Optical correlation  Electrostatic energies  Initial radius  Internal energies  Lightning discharge  Lightning return stroke  Lightning spectrum  Line charge density  Line charges  Stroke channel   Diagnosis of lightning return stroke channel temperature according to different band spectra 期刊论文 ACTA PHYSICA SINICA, 2022, 卷号: 71, 期号: 10 作者:  Guo-Rong, Liu;  Wei-Jun, Zhu;  Run-Tong, Chu;  Wei, Wang;  Ping, Yuan 收藏  |  浏览/下载：25/0  |  提交时间：2022/06/21 spectral diagnosis  lightning return stroke channel temperature  Boltzmann plot method  Saha- Boltzmann plot method   ThreeDimensional Topography Analysis and Power Spectral Density Characterization of Nonuniform Scroll Teeth 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2022, 卷号: 42, 期号: 2, 页码: 322-327 作者:  Liu, Tao;  Li, Yinping;  Sun, Yongji 收藏  |  浏览/下载：10/0  |  提交时间：2022/06/20 Power spectral density  Topography  Changing regularity  Machining quality  Non-uniform  Non-uniform scroll tooth  One-dimensional  Power spectral analysis  Power spectral density method  Three-dimensional topography  Topography images  Two-dimensional   Spectroscopic analysis of the arc plasma during activating flux tungsten inert gas welding process 期刊论文 Journal of Manufacturing Processes, 2022, 卷号: 75, 页码: 919-927 作者:  Li, Chunkai;  Dai, Yue;  Gu, YuFen;  Shi, Yu 收藏  |  浏览/下载：33/0  |  提交时间：2022/04/21 Chemical activation  Electrons  Fluorine compounds  Gas welding  Inert gas welding  Inert gases  Spectroscopic analysis  Tungsten  A-TIG  Activating flux  Active agents  Aerospace pressure  Arc plasma  Arc temperature  Manufacturing fields  Spatial domain analysis  Spectrum diagnosis  Tungsten inert gas welding   Effects of Atmospheric Attenuation on the Lightning Spectrum 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2021, 卷号: 126, 期号: 22 作者:  Wan, Ruibin;  Yuan, Ping;  An, Tingting;  Liu, Guorong;  Wang, Xuejuan 收藏  |  浏览/下载：18/0  |  提交时间：2021/12/17 atmospheric attenuation  spectrograph response  lightning spectrum  channel temperature   Improved VMD-FRFT based on initial center frequency for early fault diagnosis of rolling element bearing 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2021, 卷号: 32, 期号: 11 作者:  Chen, Guangyi;  Yan, Changfeng;  Meng, Jiadong;  Wang, Huibin;  Wu, Lixiao 收藏  |  浏览/下载：14/0  |  提交时间：2021/10/14 bearing fault detection  initial center frequency  periodic impulses  reciprocal of spectral autocorrelation smoothness index  variational mode decomposition-fractional Fourier transform   Initial fault time estimation of rolling element bearing by backtracking strategy, improved VMD and infogram 期刊论文 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2021, 卷号: 35, 期号: 2, 页码: 425-437 作者:  Babiker, Abdalla;  Yan, Changfeng;  Li, Qiang;  Meng, Jiadong;  Wu, Lixiao 收藏  |  浏览/下载：8/0  |  提交时间：2021/03/12 EMPIRICAL MODE DECOMPOSITION  FEATURE-EXTRACTION  SPECTRAL KURTOSIS  DIAGNOSIS  KURTOGRAM  SPEED   Optimization strategy of neural network based on hybrid invasive weed arithmetic 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2013, 卷号: 33, 期号: 4, 页码: 634-639 作者:  Peng, Bin;  Hu, Changan;  Zhao, Rongzhen 收藏  |  浏览/下载：13/0  |  提交时间：2020/11/14 Failure analysis  Fault detection  Genetic algorithms  Optimization  Connection weights  Crossover operator  Invasive weed optimization  Model parameters  Neural network (nn)  Optimization strategy  Spectral entropy  Vector tracking   Axial vibration test and analysis on gas film sealing ring system in dry gas seal 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2013, 卷号: 33, 期号: 2, 页码: 231-235 作者:   收藏  |  浏览/下载：2/0  |  提交时间：2020/11/14 Computer programming languages  Data acquisition  Eddy current testing  Gases  Sealants  Software testing  Spectrum analysis  Vibration analysis  Dry gas seal  Experimental research  Gas films  High speed data acquisition  Lab-view softwares  Optimization design  Spiral groove dry gas seals  Vibration displacements   The investigation of fault diagnosis based on GA-HPSO-NN 期刊论文 Journal of Computers (Finland), 2012, 卷号: 7, 期号: 10 SPL.ISS., 页码: 2511-2517 作者:   收藏  |  浏览/下载：0/0  |  提交时间：2020/11/14 Failure analysis  Particle swarm optimization (PSO)  Simulated annealing  Fault data  Fault diagnosis method  Fault signal  GA-HPSO-NN  Information entropy  Input and outputs  Local minimums  Novel algorithm  Quantitative accuracy  Rotor fault  Spectral entropy