Resource Type

Journal Article 590

Conference Videos 9

Year

2023 43

2022 42

2021 48

2020 41

2019 28

2018 43

2017 48

2016 27

2015 20

2014 27

2013 30

2012 17

2011 17

2010 18

2009 31

2008 28

2007 32

2006 14

2005 8

2004 6

open ︾

Keywords

selection 11

frequency 9

response surface methodology 9

Response surface methodology 7

surface 7

Feature selection 5

surface roughness 5

surface water 5

surface integrity 4

Deep learning 3

adsorption 3

natural frequency 3

Algae 2

Algebraic Method (AGM) 2

Biofilm 2

DFT 2

Membrane fouling 2

Nanoparticle 2

artificial neural network (ANN) 2

open ︾

Search scope:

排序： Display mode:

A novel grey wolf optimizer and its applications in 5G frequency selection surface design Research Article

Zhihao HE, Gang JIN, Yingjun WANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 9,   Pages 1338-1353 doi: 10.1631/FITEE.2100580

Abstract: shape of the FSS unit with electromagnetic interference shielding capability at the center operating frequencyresults show that the optimized FSS has better electromagnetic interference shielding at the center frequency

Keywords： Grey wolf optimizer     Fifth-generation wireless communication system (5G)     Frequency selection surface    

HTML PDF Collect

Modal analysis of acoustic leak signal in pipelines using time-frequency analysis

JIAO Jing-pin, FEI Ren-yuan, HE Cun-fu, WU Bin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 146-150 doi: 10.1007/s11465-006-0013-3

Abstract: In this paper, the acoustic leak signal is analyzed in the time-frequency domain.Based on the relation of time-frequency distribution of the acoustic leak signal and the dispersion curvesThe research can provide a guideline for the mode selection in pipeline leak location, and help improve

Keywords： dispersion     selection     guided     research     time-frequency    

HTML PDF Collect

Imposing Active Sources during High-Frequency Passive Surface-Wave Measurement Article

Feng Cheng,Jianghai Xia,Chao Shen,Yue Hu,Zongbo Xu,Binbin Mi

Engineering 2018, Volume 4, Issue 5,   Pages 685-693 doi: 10.1016/j.eng.2018.08.003

Abstract: utilization has been intensively studied as a means of compensating for the shortage of low-frequencythus, active surface-wave methods are often required in order to increase the frequency range.To reduce the amount of field work, we propose a strategy for a high-frequency passive surface-wave surveySpectral analysis indicates that the high-frequency energy is improved by imposing active sources duringThe results demonstrate the flexibility and applicability of the proposed method for high-frequency phase

Keywords： Passive surface wave     Active surface wave     High frequency     Mixed-source surface wave     Spatial autocorrelation     Multichannel analysis of passive surface waves    

HTML PDF Collect

Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 325-331 doi: 10.1007/s11465-008-0071-9

Abstract: The accurate evaluation of grinding wheel surface topography, which is necessary for the investigationTo recognize diamond grains, digital filtering is used to eliminate the high frequency disturbance fromthe measured 3D digital surface of the grinding wheel, the geometric features of diamond grains arethen extracted from the filtered 3D digital surface, and a method based on the grain profile frequencyA 3D surface profiler based on scanning white light interferometry is used to measure the 3D surface

Keywords： topography     frequency disturbance     filtering     analysis     wavelength    

HTML PDF Collect

Review on ranking and selection: A new perspective

L. Jeff HONG, Weiwei FAN, Jun LUO

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 321-343 doi: 10.1007/s42524-021-0152-6

Abstract: In this paper, we briefly review the development of ranking and selection (R&S) in the past 70 years,

Keywords： ranking and selection     hypothesis testing     dynamic programming     simulation    

HTML PDF Collect

Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 401-406 doi: 10.1007/s11709-009-0052-z

Abstract: As for the critical mode selection, an approach based on the maximum modal displacement was presentedThe time domain and frequency domain analysis method were used to verify the simplified model of the

Keywords： selection     reduced-order     excitation     long-span     simplified    

HTML PDF Collect

Supplier selection and order splitting in multiple-sourcing inventory systems

WANG Guicong, JIANG Zhaoliang, LI Zhaoqian, LIU Wenping

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 23-27 doi: 10.1007/s11465-008-0016-3

Abstract: Supplier selection and inventory control are critical decision processes in single-item multiple-supplier

Keywords： automobile industry     branch-bound algorithm     selection     single-item multiple-supplier     effective    

HTML PDF Collect

Genomic regions under selection for important traits in domestic horse breeds

Xuexue LIU, Yuehui MA, Lin JIANG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 289-294 doi: 10.15302/J-FASE-2017155

Abstract: Modern breeding using marker-assisted selection has greatly accelerated breeding progress.genetic mapping studies and genome wide analyses to identify the genomic regions targeted by positive selection

Keywords： horse     coat color     racing performance     gait     height    

HTML PDF Collect

Case-based reasoning for selection of the best practices in low-carbon city development

Zhenhua HUANG, Hongqin FAN, Liyin SHEN

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 416-432 doi: 10.1007/s42524-019-0036-1

Abstract: The proposed methodology is demonstrated by applying it to the selection of the best practices for low-carbon

Keywords： low-carbon city     carbon emission     best practices     case-based reasoning    

HTML PDF Collect

A frequency error estimation for isogeometric analysis of Kirchhoff–Love cylindrical shells

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0006-x

Abstract: A frequency error estimation is presented for the isogeometric free vibration analysis of Kirchhoff–LoveBy analyzing the discrete isogeometric equations with the aid of harmonic wave assumption, the frequencyIn particular, the governing relationship of the continuum frequency for Kirchhoff–Love cylindrical shellsis naturally embedded into the frequency error measures without the need of explicit frequency expressionsNumerical results not only thoroughly verify the theoretical convergence rates of frequency solutions

Keywords： isogeometric analysis     Kirchhoff–Love cylindrical shell     free vibration     frequency error     convergence    

HTML PDF Collect

Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 193-202 doi: 10.1007/s11465-017-0448-8

Abstract: characteristics of the fly cutting machine and fluctuations in the fly cutting environment are translated into surfaceerrors at different spatial frequency bands.In this study, the anisotropic machinability of KDP crystals and the causes of typical surface errorsof the fly cutting machine and existing processing parameters are optimized to improve the machined surface

Keywords： ultra-precision fly cutting     large-aperture KDP crystals     spatial frequency     processing error    

HTML PDF Collect

Miscellaneous dangerous mountain geological survey and the line selection techniques

He Huawu,Zeng Qiangyun

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 9-12

Abstract: The article aims to provide some references for similar investigation and route selection by brieflyintroducing the geologic characteristics, the integrated methods for geologic survey and route selection

Keywords： Yichang-Wanzhou Railway     geologic characteristics     geologic investigation     geology route selection    

HTML PDF Collect

Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 506-510 doi: 10.1007/s11708-013-0275-5

Abstract: The collision frequency function for aerosol particles has already been calculated for the free moleculeforce, electric force and molecular forces, created by particles themselves, recalculated the collision frequencyAttractive forces increase naturally the collision frequency, while repulsive forces decrease it.

Keywords： aerosol particles     collision frequency function     coagulation    

HTML PDF Collect

Fuel variability effect on flickering frequency of diffusion flames

Jizhao LI, Yang ZHANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 134-140 doi: 10.1007/s11708-009-0034-9

Abstract: The intent of this study is to investigate the fuel variability on the flickering frequency of diffusionIt was found that the low frequency oscillation of flow and flame structures depended only weakly onWhen a mixture of methane/propane at a ratio of 1:1 was used the peak flickering frequency was aroundMechanisms thought to produce changes in the dynamic response and frequency harmonics were discussed.

Keywords： fuel variability     flickering frequency     diffusion flames     dynamics of combustion    

HTML PDF Collect

Capacity limitation of nuclear units in grid based on analysis of frequency regulation

Yiping DAI, Pan JIANG, Lin GAO, Weimin KAN, Xiaoqing XIAO, Ge JIN

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 148-154 doi: 10.1007/s11708-012-0174-1

Abstract: Based on the analysis of frequency regulation, mathematic models for nuclear units in the grid are establishedThe relationship between different styles of frequency regulation and the allowable capacity of the nuclear

Keywords： nuclear units capacity     overspeed     primary frequency control (PFC)     second frequency control (SFC)    

HTML PDF Collect

Title Author Date Type Operation

A novel grey wolf optimizer and its applications in 5G frequency selection surface design

Zhihao HE, Gang JIN, Yingjun WANG

Journal Article

Modal analysis of acoustic leak signal in pipelines using time-frequency analysis

JIAO Jing-pin, FEI Ren-yuan, HE Cun-fu, WU Bin

Journal Article

Imposing Active Sources during High-Frequency Passive Surface-Wave Measurement

Feng Cheng,Jianghai Xia,Chao Shen,Yue Hu,Zongbo Xu,Binbin Mi

Journal Article

Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Journal Article

Review on ranking and selection: A new perspective

L. Jeff HONG, Weiwei FAN, Jun LUO

Journal Article

Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Journal Article

Supplier selection and order splitting in multiple-sourcing inventory systems

WANG Guicong, JIANG Zhaoliang, LI Zhaoqian, LIU Wenping

Journal Article

Genomic regions under selection for important traits in domestic horse breeds

Xuexue LIU, Yuehui MA, Lin JIANG

Journal Article

Case-based reasoning for selection of the best practices in low-carbon city development

Zhenhua HUANG, Hongqin FAN, Liyin SHEN

Journal Article

A frequency error estimation for isogeometric analysis of Kirchhoff–Love cylindrical shells

Journal Article

Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Journal Article

Miscellaneous dangerous mountain geological survey and the line selection techniques

He Huawu,Zeng Qiangyun

Journal Article

Calculation of collision frequency function for aerosol particles in free molecule regime in presence

Xiaowei LUO, Yannick BENICHOU, Suyuan YU

Journal Article

Fuel variability effect on flickering frequency of diffusion flames

Jizhao LI, Yang ZHANG

Journal Article

Capacity limitation of nuclear units in grid based on analysis of frequency regulation

Yiping DAI, Pan JIANG, Lin GAO, Weimin KAN, Xiaoqing XIAO, Ge JIN

Journal Article