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兰州理工大学 [33]

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限定条件	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

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	An early composite fault feature extraction method of bearing based on square envelope spectrum negentropy criterion 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2022, 卷号: 41, 期号: 8, 页码: 179-187 作者: Chen, Peng; Zhao, Xiaoqiang 收藏 \| 浏览/下载：8/0 \| 提交时间：2022/06/20 Failure analysis Fault detection Spectrum analysis Bearing Composite fault Early composite fault diagnose Envelope spectra Faults diagnosis Grasshopper optimization algorithm Negentropy Optimization algorithms Square envelope spectrum negentropy Swarm decomposition
	ON ASYMPTOTIC PROPERTIES OF SEMI-RELATIVISTIC HARTREE EQUATION WITH COMBINED HARTREE-TYPE NONLINEARITIES 期刊论文 COMMUNICATIONS ON PURE AND APPLIED ANALYSIS, 2022 作者: Wang, Qingxuan; Feng, Binhua; Li, Yuan; Shi, Qihong 收藏 \| 浏览/下载：7/0 \| 提交时间：2022/03/01 Semi-relativistic Hartree Equation Maximal ground states combined Hartree-type nonlinearities Asymptotic Properties
	Hybrid Improved Bird Swarm Algorithm with Extreme Learning Machine for Short-Term Power Prediction in Photovoltaic Power Generation System 期刊论文 COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE, 2021, 卷号: 2021 作者: Wu, Dongchun; Kan, Jiarong; Lin, Hsiung-Cheng; Li, Shaoyong 收藏 \| 浏览/下载：10/0 \| 提交时间：2022/03/01
	Early fault feature extraction of rolling bearing based on optimized VMD and improved threshold denoising 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 13, 页码: 146-153 作者: Chen, Peng; Zhao, Xiaoqiang 收藏 \| 浏览/下载：5/0 \| 提交时间：2022/02/17 Extraction Feature extraction Signal processing Spectrum analysis Adaptive decomposition Correlation coefficient Fault feature extractions Mode decomposition Optimization algorithms Optimization method Teager energy operators Threshold de-noising
	Noise reduction of a safety valve pressure relief signal based on an improved wavelet threshold function 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 12, 页码: 143-150 作者: Li, Shuxun; Wang, Zhihui; Kang, Yunxing; Hou, Jianjun 收藏 \| 浏览/下载：11/0 \| 提交时间：2022/02/17 Butterworth filters Exponential functions Safety valves Wavelet decomposition Adaptive wavelet thresholds Adjustment factors Attenuation characteristics Mechanical systems Noise reduction effect Noise reduction methods Simulated signals Threshold functions
	Performance analysis and optimal detector of wireless optical space-time shift keying over the Gamma-Gamma turbulence channel 期刊论文 APPLIED OPTICS, 2021, 卷号: 60, 期号: 12, 页码: 3501-3509 作者: Zhang, Yue; Wang, Huiqin; Ma, Xuemei; Zhao, Li; Mao, Yicong 收藏 \| 浏览/下载：17/0 \| 提交时间：2021/06/03 Bit error rate Computational complexity Maximum likelihood Monte Carlo methods Bit error rate (BER) performance Decoding algorithm Maximum-likelihood sequence detection Orthogonal design Orthogonal matching pursuit Performance analysis Space-shift keying Space-Time Shift Keying
	Experimental study on the optimal threshold of water and nitrogen quantities for tomato growth under the irrigation with biogas slurry in greenhouse 期刊论文 Applied Engineering in Agriculture, 2021, 卷号: 37, 期号: 2, 页码: 333-342 作者: Zheng, Jian; Zhang, Pingan; Cui, Ningbo; Y., Wang; J., Wang 收藏 \| 浏览/下载：14/0 \| 提交时间：2021/06/03 Agricultural robots Crops Efficiency Fertilizers Fruits Greenhouses Irrigation Nitrogen Water supply Agricultural productions Confidence interval Irrigation amounts Irrigation water use efficiency Nutritional qualities Organic fertilizers Partial factor productivity Scientific management
	EXPERIMENTAL STUDY ON THE OPTIMAL THRESHOLD OF WATER AND NITROGEN QUANTITIES FOR TOMATO GROWTH UNDER THE IRRIGATION WITH BIOGAS SLURRY IN GREENHOUSE 期刊论文 APPLIED ENGINEERING IN AGRICULTURE, 2021, 卷号: 37, 期号: 2, 页码: 333-342 作者: Zheng, Jian; Zhang, Pingan; Cui, Ningbo; Wang, Yan; Wang, Jian 收藏 \| 浏览/下载：14/0 \| 提交时间：2021/10/14 Biogas slurry Quality Spatial analysis method Tomato (Lycopersicum esculantum Mill) Yield
	Feature extraction method of wind turbine blade surface scratches based on image processing 期刊论文 Taiyangneng Xuebao/Acta Energiae Solaris Sinica, 2020, 卷号: 41, 期号: 12, 页码: 278-287 作者: Li, Wanrun; Zhang, Jianfei; Wang, Xueping; Du, Yongfeng 收藏 \| 浏览/下载：6/0 \| 提交时间：2022/02/17 Automation Corrosion Gabor filters Image enhancement Image segmentation Interpolation Turbine components Turbomachine blades Wind turbines Corrosion threshold Feature extraction methods Gradient thresholds Information entropy Morphological opening Optimum threshold Spline interpolation Wind turbine blades
	The fault feature selection algorithm of combination of ReliefF and QPSO 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2020, 卷号: 39, 期号: 11, 页码: 171-176 and 208 作者: Xue, Rui; Zhao, Rongzhen 收藏 \| 浏览/下载：7/0 \| 提交时间：2020/11/14 Feature extraction Frequency domain analysis Iterative methods Particle swarm optimization (PSO) Support vector machines Time domain analysis Wavelet decomposition Classification accuracy Fault feature selections Identification accuracy Iterative calculation Quantitative features Quantum particle swarm optimization Redundant features Wavelet Packet Decomposition

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