Resource Type

Journal Article 1197

Conference Videos 42

Conference Information 1

Conference Topics 1

Year

2024 5

2023 83

2022 100

2021 119

2020 75

2019 86

2018 79

2017 102

2016 85

2015 63

2014 38

2013 39

2012 39

2011 35

2010 39

2009 41

2008 34

2007 31

2006 26

2005 16

open ︾

Keywords

development strategy 21

2035 9

China 9

concrete 6

food security 6

renewable energy 6

sustainable development 6

COVID-19 5

Immunoglobulin G 5

technology foresight 5

Alzheimer’s disease 4

China Railway’s “Go Global” strategy 4

H2S 4

N2O 4

energy revolution 4

finite element method 4

n-heptane 4

signal transduction 4

16S rRNA 3

open ︾

Search scope:

排序： Display mode:

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

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 formingFour process variables, namely, laser power (P), scanning speed (Vs), wire feedrate (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

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

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

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.accordance with the real-time estimated coefficients of the error model, an adaptive robust maximum signal-to-interferenceand- noise ratio (Max-SINR) plus maximum signal-to-leakage-and-noise ratio (Max-SLNR) beamformer at an RS

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

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

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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

Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1047-6

Abstract: listitem>

MABR exhibits excellent TN removal performance for treating ROC with low C/Nratio.

Keywords： Membrane-aerated biofilm reactor (MABR)     Salinity     Total nitrogen     Reverse osmosis concentrate    

HTML PDF Collect

Investigation on the N∶P ratio varying under the blue-green alga seasonal blooming in north area of

He Feng,Duan Changqun,Du Jinsong,Han Yaping,Guo Yanying,Pan Min,Song renbin

Strategic Study of CAE 2010, Volume 12, Issue 6,   Pages 94-98

Abstract: The aim of the study is to figure out the alga's influence on the concentrations of N and P in theThe correlation coefficient between the concentrations of N in water and alga's biomass is 0.955,constant, and both of them have no significant ecological stoichiometry of the N∶P ratio.We also made correlation-ship analysis between the N∶P ratio of water and biomass of alga.P ratio of water.

Keywords： the Dianchi Lake     blue-green alga     the N∶P ratio     variation     ecological stoichiometry    

HTML PDF Collect

The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1366-2

Abstract:

•Bacterially-mediated coupled N and Fe processes examined in incubation

Keywords： Denitrification     N2O emission     Fe(II) oxidation     Fe/N ratio     Fe minerals    

HTML PDF Collect

Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration and noise

Guilian YI, Yunkang SUI, Jiazheng DU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 229-234 doi: 10.1007/s11465-011-0128-z

Abstract:

To reduce vibration and noise, a damping layer and constraint layer are usually pasted on the innersurface of a gearbox thin shell, and their thicknesses are the main parameters in the vibration and noiseacceleration of the point on the gearbox surface is the main index that can reflect the vibration and noisepoint, and the normal accelerations of different points can reflect the degree of the vibration and noiseThe K-S function is adopted to process many points’ normal accelerations as the comprehensive index

Keywords： Abaqus secondary development     Python language     vibration and noise reduction     K-S function     vibration acceleration    

HTML PDF Collect

Influence of loading ratio on flat slab connections at elevated temperature: A numerical study

S. AL-HAMD, Martin GILLIE, Safaa Adnan MOHAMAD, Lee S. CUNNINGHAM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 664-674 doi: 10.1007/s11709-020-0620-9

Abstract: subjected to high temperature, the degree of in-service loading, commonly expressed as the loading ratioIn particular, the loading ratio may be pivotal in relation to the phenomenon of load-induced thermalDespite its potentially pivotal role, to date, the influence of the loading ratio on both material andIn this paper, the effect of the loading ratio is numerically investigated at both material and structural

Keywords： concrete     finite elements     fire     load-induced thermal strain     punching shear    

HTML PDF Collect

Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1318-x

Abstract: . • Extra NH4+-N from SFL was removed by anammox in anoxic phase. • Nitrogen removal efficiency of 92.51%was achieved in municipal wastewater. • The novel system could efficiently treat low COD/N municipalBiological nitrogen removal of wastewater with low COD/N ratio could be enhanced by the addition of wastedReal municipal wastewater with a low C/N ratio of 2.8–3.4 was treated in a sequencing batch reactor (

Keywords： Sludge fermentation liquid     Municipal wastewater     Advanced nitrogen removal     Short-cut nitrification     Partial anammox    

HTML PDF Collect

Analysis of Calendar Life of Aircraft Structure on Corrosion Environment

Yang Xiaohua,Yao Weixing,Chen Yueliang

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 33-35

Abstract: On the basis of dynamic S-N curve, traditional nominal stress-method and Miner theory, this paper put

Keywords： aircraft structure     calendar life     corrosion     fatigue     S-N curve    

HTML PDF Collect

Title Author Date Type Operation

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

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

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

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

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

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

Microseismic monitoring technology

Tang Chunhua,Gu Guangqing

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

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

Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Journal Article

Investigation on the N∶P ratio varying under the blue-green alga seasonal blooming in north area of

He Feng,Duan Changqun,Du Jinsong,Han Yaping,Guo Yanying,Pan Min,Song renbin

Journal Article

The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Journal Article

Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration and noise

Guilian YI, Yunkang SUI, Jiazheng DU

Journal Article

Influence of loading ratio on flat slab connections at elevated temperature: A numerical study

S. AL-HAMD, Martin GILLIE, Safaa Adnan MOHAMAD, Lee S. CUNNINGHAM

Journal Article

Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Journal Article

Analysis of Calendar Life of Aircraft Structure on Corrosion Environment

Yang Xiaohua,Yao Weixing,Chen Yueliang

Journal Article