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Research on Multipoint Leak Location of Gas Pipeline Based on Variational Mode Decomposition and Relative Entropy

Yongmei Hao, Zhanghao Du, Juncheng Jiang, ZhiXiang Xing, Xinming Yan, Shuli Wang, Yongchao Rao, Ehsan Ahmadi
2020 Shock and Vibration  
A multipoint leak detection and location method for urban gas pipelines based on variational mode decomposition and relative entropy was proposed.  ...  Firstly, the experiment pipeline system was built, and the original signal was collected by acoustic emission technology; then, a variational model method was used to decompose the signal to obtain multiple  ...  Control valves, liquid electromagnetic flowmeters, and gas vortex flowmeters are provided at the start and end points of the pipeline.  ... 
doi:10.1155/2020/8868963 fatcat:nok5f2cz6rf4bfthm5wdwnwfiy

2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69

2020 IEEE Transactions on Instrumentation and Measurement  
Meenalochani, M., and Sudha, S., Influence of Received Signal Strength on Prediction of Cluster Head and Number of Rounds; TIM June 2020 3739-3749 Hendeby, G., see Kasebzadeh, P., TIM Aug. 2020 5862  ...  -5874 Heng, Y., see Xue, M., TIM June 2020 3812-3817 Henry, M.P., The Prism: Recursive FIR Signal Processing for Instrumentation Applications; TIM April 2020 1519-1529 Heo, S., see Jung, J.H., TIM  ...  ., +, TIM Oct. 2020 7752-7760 An Iterative Stacking Method for Pipeline Defect Inversion With Complex MFL Signals.  ... 
doi:10.1109/tim.2020.3042348 fatcat:a5f4fsqs45fbbetre6zwsg3dly

Analysis of Aperture Shape Changing Trend Base on the Shaped Charge Jet Penetration through the Steel Target [chapter]

Junqing Huang, Yalong Ma, Kelei Huang, Jianxun Zhao
2012 Communications in Computer and Information Science  
Most existing shape-from-shading (SFS) methods are based on signal image and orthogonal projection.  ...  Abstract: In this paper, an improved optimization approach, free search with double populations (FSDP) which is based on free search (FS) algorithm, is proposed. Comparing to FS 1 1Shanghai  ...  This paper discusses two kinds of initial alignment for Strap-down Inertial Navigation System(SINS), one is based on Kalman filter, and the other is based on H∞ filter.  ... 
doi:10.1007/978-3-642-34384-1_2 fatcat:xvp3o6agk5hxpmbjptnthxiz5m

2020 Index IEEE Transactions on Circuits and Systems II: Express Briefs Vol. 67

2020 IEEE Transactions on Circuits and Systems - II - Express Briefs  
Adaptive Filtering; TCSII Oct. 2020 2229-2233 Qian, J., Lu, M., and Huang, N., Radar and Communication Co-Existence Design Based on Mutual Information Optimization; TCSII Dec. 2020 3577-3581 Qian,  ...  on SAR ADC; TCSII Oct. 2020 1765-1769 Je, M., see Lee, T., TCSII May 2020 876-880 Je, M., see Jeon, H., TCSII Sept. 2020 1539-1543 Jena, D., see Reddivari, R., TCSII Oct. 2020 2009-2013 Jeon,  ...  Zhao, Z., +, TCSII March 2020 516-520 Vortex Search Algorithm for Optimal Power Flow Analysis in DC Resistive Adaptive Algorithm for Sparse System Identification Based on Hard-Thresholding Techniques.  ... 
doi:10.1109/tcsii.2020.3047305 fatcat:ifjzekeyczfrbp5b7wrzandm7e

Integrated butt-coupled membrane laser for Indium Phosphide on Silicon platform

V. Pogoretskiy, A. Higuera-Rodriguez, Y. Jiao, J. J. G. M van der Tol, D. Heiss, M. K. Smit
2016 2016 International Conference Laser Optics (LO)  
The comparison of a contrast sign change of opaque object in the schemes based on NLC-filter and on liquid filter with thermal optical nonlinearity was performed. 483 ThR4-p24 15:00-19:00 484  ...  iterations connected with the physical impact on the deformable mirror isn't large.  ...  Boron-doped diamond electrodes for mid-IR spectroelectrochemistry J. Izquierdo, D. Neubauer, B. Mizaikoff, C.  ... 
doi:10.1109/lo.2016.7549714 fatcat:mkak6vararbdznwdaacjuwuaoq

Parameter survey of a rib stiffened wooden floor using sinus modes model

Lars‐Göran Sjökvist, Jonas Brunskog, Finn Jacobsen
2008 Journal of the Acoustical Society of America  
The poor quality of clarity was assessed for churches with longest EDT for the performance of music involving polyphony.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  For these excitation signals, the data processing is based on Multiple Input Single Output ͑MISO͒ direct path method.  ... 
doi:10.1121/1.2933934 fatcat:fmeouf2iynctnculdxzvoqb4iu

Measurement of total sound energy density in enclosures at low frequencies

Finn Jacobsen
2008 Journal of the Acoustical Society of America  
The poor quality of clarity was assessed for churches with longest EDT for the performance of music involving polyphony.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  For these excitation signals, the data processing is based on Multiple Input Single Output ͑MISO͒ direct path method.  ... 
doi:10.1121/1.2934233 fatcat:vuavezpbsnabxmhi4jlbvbwgly

Spherical near field acoustic holography with microphones on a rigid sphere

Finn Jacobsen, Jo/rgen Hald, Efrén Fernandez, Guillermo Moreno
2008 Journal of the Acoustical Society of America  
The poor quality of clarity was assessed for churches with longest EDT for the performance of music involving polyphony.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  For these excitation signals, the data processing is based on Multiple Input Single Output ͑MISO͒ direct path method.  ... 
doi:10.1121/1.2934035 fatcat:57w2rziyfvcmnnyzsxlgg43qxa

Report from the NA61/SHINE experiment at the CERN SPS [article]

A Aduszkiewicz
2016
This document reports on the status and plans of the NA61/SHINE experiment at the CERN SPS as of October 2016.  ...  Acknowledgments We would like to thank the CERN EP, BE and EN Departments for the strong support of NA61/SHINE.  ...  The digitiser to produce simulated raw data from the sensor signal response is still in Track reconstruction for SAVD is based on a global method when all points are processed in the same way and the  ... 
doi:10.17181/cern.sd0z.rj9v fatcat:4flf7rzvozfsbfl7jieqp2gyuu

Rome, Italy SENSORDEVICES 2017 Editors

Winfried Vonau, Vítor Carvalho, Jerzy Lukaszewicz, Eiji Higurashi, Jean Salvestrini, Georgiatech Lorraine, Giovanni Usa, Pau, Yurong Jiang, Hewlett-Packard Labs, Jerzy Lukaszewicz, Eiji Higurashi (+76 others)
unpublished
a series of events focusing on sensor devices themselves, the technology-capturing style of sensors, special technologies, signal control and interfaces, and particularly sensors-oriented applications.  ...  We also gratefully thank the members of the SENSORDEVICES 2017 organizing committee for their help in handling the logistics and for their work that made this professional meeting a success.  ...  ACKNOWLEDGMENT The authors thank Charisse Oberle for assistance in running Heracles II GC fast-gas/e-nose analyses of headspace volatiles from fungal cultures.  ... 
fatcat:kpvsc4v7mndwneio7fbu5enziu

Modeling desalinization to reclamation of saline-sodic soils

M Mohamadzadeh, M Homaee, E Pazira
2016 BULGARIAN CHEMICAL COMMUNICATIONS Journal of the Chemical Institutes of the Bulgarian Academy of Sciences and of the Union of Chemists in Bulgaria   unpublished
Soil Salinity is one of the most important environmental factors limiting and agricultural hazard in arid and semi-arid regions.  ...  The primary method of controlling soil salinity is to permit of the irrigation water to leach the soil, be drained and discharging through an appropriate drainage system.  ...  Acknowledgments :Payame Noor University, for providing necessary facilities to carry out the work is gratefully acknowledged.  ... 
fatcat:uhaxyni76zfq3akh2t7pcolc4y

Innovative solar energy technologies and control algorithms for enhancing demand-side management in buildings [article]

GIANLUCA SERALE
2018
This action generally is addressed using a Kalman filter that implements white noise to the signal [96] .  ...  An observertypically a Kalman filteris employed to reconstruct the current state vector at time k based on the measured signals.  ... 
doi:10.6092/polito/porto/2711298 fatcat:nzb3rysuj5achbtlkqjy5jy67q