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浏览/检索结果: 共8条，第1-8条 帮助 限定条件 发表日期：2018    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 Reduced vibration and Model validation of DFIG for wind turbine 会议论文 Guilin, China, August 10, 2018 - August 12, 2018 作者:  Faming, Wu;  Congxin, Yang;  Yangliu;  Qing, Wang 收藏  |  浏览/下载：27/0  |  提交时间：2020/11/15 Asynchronous generators  Electric fault currents  Electric machine theory  Frequency domain analysis  Time domain analysis  Wind turbines  Doubly fed induction generators  Frequency domains  Simulation model  Theoretical analysis model  Theoretical modeling  Unbalanced condition  Vibration severity  Vibration systems   Stability and performance analysis of switched linear systems subject to time delays and actuator saturation 期刊论文 International Journal of Systems Science, 2018, 卷号: 49, 期号: 12, 页码: 2725-2736 作者:  Feng, Yiwei;  Cai, Yudan 收藏  |  浏览/下载：4/0  |  提交时间：2022/02/17 Actuators  Convergence of numerical methods  Differential equations  Linear matrix inequalities  Linear systems  Lyapunov functions  Saturation (materials composition)  Time delay  Actuator saturations  Attraction domain  Differential inclusions  Original systems  Output feedback controls  Performance analysis  Reachable set  Switched linear system   Ground Vibration Generated by an Underground Moving Load 期刊论文 SOIL MECHANICS AND FOUNDATION ENGINEERING, 2018, 卷号: 55, 期号: 4, 页码: 258-264 作者:  Ma, Qiang;  Zhou, Fengxi 收藏  |  浏览/下载：2/0  |  提交时间：2019/11/15 Geotechnical engineering  Ocean engineering  Environmental vibrations  Frequency domains  Ground surfaces  Ground vibration  Inverse Fourier transforms  Low frequency features  Numerical results  Space-time domain   Thickness-Dependent Evolution of Piezoresponses and Stripe 90° Domains in (101)-Oriented Ferroelectric PbTiO3 Thin Films 期刊论文 ACS Applied Materials and Interfaces, 2018, 卷号: 10, 期号: 29, 页码: 24627-24637 作者:  Feng, Yanpeng;  Tang, Yunlong;  Ma, Desheng;  Zhu, Yinlian;  Zou, Minjie 收藏  |  浏览/下载：2/0  |  提交时间：2020/11/14 Domain walls  Ferroelectric films  Ferroelectric thin films  Ferroelectricity  High resolution transmission electron microscopy  Lead titanate  Polarization  Pulse time modulation  Pulsed laser deposition  Scanning electron microscopy  Scanning probe microscopy  Titanium compounds  Transmission electron microscopy  Aberration-corrected STEM  Domain wall structures  Ferroelectric switching  PbTiO3  Piezoelectric response  Piezoresponse  Piezoresponse force microscopy  Polarization direction   Application of neighbor probability distance in classification of rotating machinery fault sets 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2018, 卷号: 37, 期号: 11, 页码: 48-54 作者:  Li, Jipu;  Zhao, Rongzhen 收藏  |  浏览/下载：28/0  |  提交时间：2020/11/14 Clustering algorithms  Frequency domain analysis  Learning algorithms  Machinery  Motion compensation  Pattern recognition  Probability  Time domain analysis  Dimension reduction  Distance measure  Euclidean distance measure  Feature extracting method  High dimensional data  K-nearest neighbor classifiers (KNN)  Locality preserving projections  Probability distance   Moving object detection of Ochotona curzoniae based on spatio-temporal imformation 期刊论文 Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, 2018, 卷号: 34, 期号: 9, 页码: 197-203 作者:  Zhang, Aihua;  Wang, Fan;  Chen, Haiyan 收藏  |  浏览/下载：26/0  |  提交时间：2020/11/14 Algorithms  Biology  Ecology  Image enhancement  Image processing  Information filtering  K-means clustering  Object detection  Object recognition  Time domain analysis  Video signal processing  Background subtraction  Chan-Vese model  Intelligent monitoring systems  Intensity inhomogeneity  Level set evolution equations  Object detection method  Ochotona curzoniae  Spatio temporal   Characteristic Analysis of Interior Hydrodynamic Noise in Jetting Centrifugal Pump 期刊论文 Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery, 2018, 卷号: 49, 期号: 4, 页码: 156-164 作者:  Guo, Rong;  Li, Rennian;  Zhang, Renhui;  Song, Qice 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Acoustic fields  Acoustic noise measurement  Centrifugal pumps  Frequency domain analysis  Hydrodynamics  Impellers  Large eddy simulation  Numerical methods  Stators  Structural dynamics  Thermal noise  Characteristic frequencies  Flow induced structure  Flow-borne noise  Hydrodynamic noise  Interior noise  Large Eddy simulation methods  Structural characteristics  Time and frequency domains   An efficient speech perceptual hashing authentication algorithm based on DWT and symmetric ternary string 期刊论文 International Journal of Information and Communication Technology, 2018, 卷号: 12, 期号: 1-2, 页码: 31-50 作者:  Qiuyu, Zhang;  Pengfei, Xing;  Yibo, Huang;  Ruihong, Dong;  Zhongping, Yang 收藏  |  浏览/下载：10/0  |  提交时间：2020/11/14 Authentication  Discrete wavelet transforms  Frequency domain analysis  Signal reconstruction  Speech  Speech communication  Time domain analysis  Wavelet decomposition  Authentication algorithm  Coefficients of low frequencies  Frequency domains  Localisation  Mobile computing environment  Perceptual hashing  Short-time energy  Symmetric ternary string