Resource Type

Journal Article 337

Conference Videos 2

Year

2024 1

2023 18

2022 16

2021 31

2020 21

2019 28

2018 20

2017 16

2016 17

2015 15

2014 14

2013 9

2012 11

2011 15

2010 13

2009 15

2008 23

2007 10

2006 11

2005 8

open ︾

Keywords

maximum power point tracking (MPPT) 11

signal transduction 4

fault diagnosis 3

B p65 (NF-κ 2

B p65) 2

C/N ratio 2

COD/N ratio 2

Deep learning 2

Denitrification 2

Phase noise 2

Salinity 2

aerodynamic performance 2

different 2

digital image correlation 2

generator 2

maximum 2

noise 2

photovoltaic system 2

power quality 2

open ︾

Search scope:

排序： Display mode:

Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3,   Pages 265-280 doi: 10.1631/FITEE.1500134

Abstract: coefficient of the Gaussian-Markov CSI error model is modeled as a function of CSI delay, Doppler spread, and signal-to-noiseratio, and can be estimated in real time.In accordance with the real-time estimated coefficients of the error model, an adaptive robust maximumsignal-to-interferenceand- noise ratio (Max-SINR) plus maximum signal-to-leakage-and-noise ratio (Max-SLNRplus Max-SLNR with ideal CSI.

Keywords： Multi-pair two-way relay     Adaptive robust beamformer     Channel state information (CSI)     Maximum signal-to-interference-and-noiseratio (Max-SINR)     Maximum signal-to-leakage-and-noise ratio (Max-SLNR)    

HTML PDF Collect

Target tracking methods based on a signal-to-noise ratio model

Dai Liu, Yong-bo Zhao, Zi-qiao Yuan, Jie-tao Li, Guo-ji Chen,ybzhao@xidian.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 12,   Pages 1671-1814 doi: 10.1631/FITEE.1900679

Abstract: In traditional methods, the and are often measured by the empirical value, while observation noiseThey are influenced by the signal-to-noise ratio (SNR).
HTML PDF Collect

A Realization to Enhance the Signal Noise Ratio With Superposition on the Same Phase Signal

Han Xiuting,Wang Jiechun,Jiao Zhenqaing,Gao Fei,Song Yubo

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 64-68

Abstract: The method, in which mccltiple similar signals are superposed, can not only decrease the noise in thesignal, but also receive more message that may be lost before because of the interval of sample collectionSince the noise in signals could be treated as white noise, after multiple superposition the added noise

Keywords： vibrating wave     reflection wave     signal enhancement     software for superposition signal    

HTML PDF Collect

Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: The theoretical foundation of the proposed approach involves solving a min–max optimization problem tosuppress the maximum interstory drift ratio among all stories.The proposed methodology can shape the interstory drift ratio profiles into inverted triangular or quadratic

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

HTML PDF Collect

Microseismic monitoring technology

Tang Chunhua,Gu Guangqing

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 95-99

Abstract: instruction of the MS equipment such as acquisition strategies, optimal sensors, array design, digital-signal

Keywords： microseismic monitoring     hydraulic fracturing     oil and natural gas     SNR (signal to noise ratio)     event    

HTML PDF Collect

Robust generalized sidelobe canceller based on eigenanalysis and a MaxSINR beamformer Research Articles

Quan-dong WANG, Liang-hao GUO, Wei-yu ZHANG, Sui-ling REN, Chao YAN

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 7,   Pages 975-987 doi: 10.1631/FITEE.1700367

Abstract: To estimate the interference-plus-noise (IPN) statistics characteristics, conventional signal of interest(SOI) extraction methods usually collect a large number of segments where only the IPN signal is activeThe blocking matrix is obtained by incorporating the effective reconstruction into the maximum signal-to-interferenceplus-noiseratio (MaxSINR) beamformer.It can minimize the influence of signal leakage and maximize the IPN power for further noise and interference

Keywords： Eigenanalysis     Interference-plus-noise covariance matrix reconstruction     Maximum signal-to-interference-plus-noiseratio criterion     Blocking matrix     Generalized sidelobe canceller     Direction of arrival mismatch    

HTML PDF Collect

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 406-416 doi: 10.1007/s11709-018-0475-5

Abstract: We approximate the fracture surface energy functional based on phase-field method with smooth local maximumentropy (LME) and second-order maximum entropy (SME) approximants.

Keywords： second-order maximum entropy     local maximum entropy     second- and fourth-order phase-field models     B-spline    

HTML PDF Collect

Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 242-249 doi: 10.1007/s11465-016-0397-7

Abstract: In this work, volumetric defect ratio was proposed as the criterion to describe the integrity of formingfeed rate (Vf), and wire current (I), were optimized based on the analysis of signal-to-noise(S/N) ratio.

Keywords： process optimization     Taguchi method     signal-to-noise (S/N) ratio     volumetric defect ratio     laser hot wire    

HTML PDF Collect

Overlap maximum matching ratio (OMMR): a new measure to evaluate overlaps of essential modules

Xiao-xia ZHANG,Qiang-hua XIAO,Bin LI,Sai HU,Hui-jun XIONG,Bi-hai ZHAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 293-300 doi: 10.1631/FITEE.1400282

Abstract: In this paper, an evaluation criterion called overlap maximum matching ratio (OMMR) is proposed to analyze

Keywords： Protein-protein interaction network     Essential protein modules     Overlap     Overlap maximum matching ratio    

HTML PDF Collect

Numerical and experimental analyses of methane leakage in shield tunnel

Frontiers of Structural and Civil Engineering   Pages 1011-1020 doi: 10.1007/s11709-023-0956-z

Abstract: Tunnels constructed in gas-bearing strata are affected by the potential leakage of harmful gases, suchmethane emission was diluted, and the methane accumulation was only observed in the area near the methane leakageIn addition, laboratory tests on methane leakage through segment joints were performed.The results show that the leakage process can be divided into “rapid leakage” and “slight leakage”, dependingon the leakage pressure and the state of joint deformation.

Keywords： shield tunnel     harmful gas leakage     numerical analysis     laboratory test    

HTML PDF Collect

De-noising of diesel vibration signal using wavelet packet and singular value decomposition

DUAN Li-xiang, ZHANG Lai-bin, WANG Zhao-hui

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 443-447 doi: 10.1007/s11465-006-0055-6

Abstract: The vibration signals of diesel include excess noise that must be eliminated before extraction of characteristicFirstly, the effects of vibration-signal de-noising among Fourier transform, wavelet decomposition andFinally, a new de-noise method integrated with wavelet packet and singular value is presented.The SNR (signal-to-noise ratio) of the vibration signals of a diesel cylinder lid is the highest.

Keywords： coefficient     de-noised     cylinder     signal-to-noise     wavelet decomposition    

HTML PDF Collect

Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1400-1414 doi: 10.1007/s11709-021-0779-8

Abstract: detailed experimental investigation was carried out to evaluate the effect of sand-to-aggregate volume ratio, 0.40, 0.44, 0.48, 0.52, and 0.56), cement content (340 and 450 kg/m3), water-to-cement ratio(0.45 and 0.50), and maximum aggregate size (12 and 19 mm).formulating mix designs; optimum ratios of s/a were found to be 0.40 and 0.44 for the maximum

Keywords： aggregates     non-destructive testing     sand-to-aggregate volume ratio (s/a)     maximum aggregate    

HTML PDF Collect

The Boeing 737 Max Saga: Automating Failure

Chris Palmer

Engineering 2020, Volume 6, Issue 1,   Pages 2-3 doi: 10.1016/j.eng.2019.11.002

HTML PDF Collect

Noise Reduction of Vibration Signal of Cyclic Machine Based on the EMD

Yang Jianwen,Jia Minping,Xu Feiyun,Hu Jianzhong

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 66-69

Abstract: Aimed at the low signal/noise ratio and non stationary feature of vibration signal of cyclic machine,EMD is introduced to the noise reduction of vibration signal and the useful signal is given prominenceBy the simulation and application, it shows that EMD is very useful in reducing noise and provides newmeans of vibration signal analyzing.

Keywords： fault diagnosis     empirical mode decomposition     cyclic machine     filter    

HTML PDF Collect

Wavelet-based iterative data enhancement for implementation in purification of modal frequency for extremely noisy ambient vibration tests in Shiraz-Iran

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 446-472 doi: 10.1007/s11709-019-0605-8

Abstract: Most of denoising methods fail to filter such noise properly.Both the signal-to-noise ratio and the peak signal-to-noise ratio are small.

Keywords： ambient vibration test     high level noise     iterative signal enhancement     wavelet     cross and autocorrelation    

HTML PDF Collect

Title Author Date Type Operation

Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Journal Article

Target tracking methods based on a signal-to-noise ratio model

Dai Liu, Yong-bo Zhao, Zi-qiao Yuan, Jie-tao Li, Guo-ji Chen,ybzhao@xidian.edu.cn

Journal Article

A Realization to Enhance the Signal Noise Ratio With Superposition on the Same Phase Signal

Han Xiuting,Wang Jiechun,Jiao Zhenqaing,Gao Fei,Song Yubo

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article

Microseismic monitoring technology

Tang Chunhua,Gu Guangqing

Journal Article

Robust generalized sidelobe canceller based on eigenanalysis and a MaxSINR beamformer

Quan-dong WANG, Liang-hao GUO, Wei-yu ZHANG, Sui-ling REN, Chao YAN

Journal Article

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Journal Article

Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Journal Article

Overlap maximum matching ratio (OMMR): a new measure to evaluate overlaps of essential modules

Xiao-xia ZHANG,Qiang-hua XIAO,Bin LI,Sai HU,Hui-jun XIONG,Bi-hai ZHAO

Journal Article

Numerical and experimental analyses of methane leakage in shield tunnel

Journal Article

De-noising of diesel vibration signal using wavelet packet and singular value decomposition

DUAN Li-xiang, ZHANG Lai-bin, WANG Zhao-hui

Journal Article

Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Journal Article

The Boeing 737 Max Saga: Automating Failure

Chris Palmer

Journal Article

Noise Reduction of Vibration Signal of Cyclic Machine Based on the EMD

Yang Jianwen,Jia Minping,Xu Feiyun,Hu Jianzhong

Journal Article

Wavelet-based iterative data enhancement for implementation in purification of modal frequency for extremely noisy ambient vibration tests in Shiraz-Iran

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Journal Article