Time-Frequency Entropy - Articles - Scientific Research Publishing

Time-Frequency Entropy Analysis of Arc Signal in Non-Stationary Submerged Arc Welding (Articles)

Kuanfang He, Siwen Xiao, Jigang Wu, Guanbin Wang

Engineering Vol.3 No.2, March 18, 2011

DOI: 10.4236/eng.2011.32013 5,012 Downloads 9,634 Views Citations
Efficient Time/Frequency Permutation of MIMO-OFDM Systems through Independent and Correlated Nakagami Fading Channels (Articles)

Khodr A. SAAIFAN, Emad K. AL-HUSSAINI

International Journal of Communications, Network and System Sciences Vol.2 No.9, December 21, 2009

DOI: 10.4236/ijcns.2009.29105 5,041 Downloads 9,917 Views Citations
Space-Time-Frequency Coded for Multiband-OFDM Based on IEEE 802.15.3a WPAN (Articles)

Kamal MOHAMED-POUR, Hossein EBRAHIMI

International Journal of Communications, Network and System Sciences Vol.2 No.7, October 21, 2009

DOI: 10.4236/ijcns.2009.27076 6,219 Downloads 11,093 Views Citations
A Time-Frequency Approach for Discrimination of Heart Murmurs (Articles)

Sepideh Jabbari, Hassan Ghassemian

Journal of Signal and Information Processing Vol.2 No.3, August 12, 2011

DOI: 10.4236/jsip.2011.23032 6,573 Downloads 11,537 Views Citations
Comparing the Time-Deformation Method with the Fractional Fourier Transform in Filtering Non-Stationary Processes (Articles)

Mengyuan Xu, Wayne A. Woodward, Henry L. Gray

Journal of Signal and Information Processing Vol.3 No.4, November 29, 2012

DOI: 10.4236/jsip.2012.34062 5,177 Downloads 7,652 Views Citations
Detection and Delineating of Hydrocarbon Contaminants by Using Time and Frequency Analysis of Ground Penetrating Radar (Articles)

José Vicente Fuente

Journal of Geoscience and Environment Protection Vol.9 No.12, December 15, 2021

DOI: 10.4236/gep.2021.912003 725 Downloads 2,683 Views Citations
This article belongs to the Special Issue on Soil Pollution Assessment and Sustainable Remediation Strategies
An Improved Chirplet Transform and Its Application for Harmonics Detection (Articles)

Guo-Sheng Hu, Feng-Feng Zhu

Circuits and Systems Vol.2 No.3, July 5, 2011

DOI: 10.4236/cs.2011.23016 6,970 Downloads 12,799 Views Citations
Early detection of sudden cardiac death by using classical linear techniques and time-frequency methods on electrocardiogram signals (Articles)

Elias Ebrahimzadeh, Mohammad Pooyan

Journal of Biomedical Science and Engineering Vol.4 No.11, November 17, 2011

DOI: 10.4236/jbise.2011.411087 6,681 Downloads 12,192 Views Citations
Feature Extraction Techniques of Non-Stationary Signals for Fault Diagnosis in Machinery Systems (Articles)

Chun-Chieh Wang, Yuan Kang

Journal of Signal and Information Processing Vol.3 No.1, February 28, 2012

DOI: 10.4236/jsip.2012.31002 6,940 Downloads 11,289 Views Citations
Non-Stationary Signal Segmentation and Separation from Joint Time-Frequency Plane (Articles)

Abdullah Ali Alshehri

Journal of Signal and Information Processing Vol.3 No.3, August 31, 2012

DOI: 10.4236/jsip.2012.33043 5,950 Downloads 9,134 Views Citations
A novel approach for detection of deception using Smoothed Pseudo Wigner-Ville Distribution (SPWVD) (Articles)

Elias Ebrahimzadeh, Seyed Mohammad Alavi, Ahmad Bijar, Alireza Pakkhesal

Journal of Biomedical Science and Engineering Vol.6 No.1, January 24, 2013

DOI: 10.4236/jbise.2013.61002 4,907 Downloads 8,384 Views Citations
Chirplet Signal and Empirical Mode Decompositions of Ultrasonic Signals for Echo Detection and Estimation (Articles)

Yufeng Lu, Erdal Oruklu, Jafar Saniie

Journal of Signal and Information Processing Vol.4 No.2, May 8, 2013

DOI: 10.4236/jsip.2013.42022 5,683 Downloads 9,197 Views Citations
Spectrum Sensing and AM-FM Decomposition through Synchrosqueezing (Articles)

K. Vandhana, P. V. S. Sowmya, P. Roshni, K. Divya, S. Ashwin, K. A. Narayanankutty

Wireless Engineering and Technology Vol.4 No.3, July 10, 2013

DOI: 10.4236/wet.2013.43020 4,410 Downloads 7,252 Views Citations
Time-Varying Bandpass Filter Based on Assisted Signals for AM-FM Signal Separation: A Revisit (Articles)

Guanlei Xu, Xiaotong Wang, Xiaogang Xu, Lijia Zhou, Limin Shao

Journal of Signal and Information Processing Vol.4 No.3, July 30, 2013

DOI: 10.4236/jsip.2013.43031 4,680 Downloads 7,555 Views Citations
Wavelet-Based Response Computation for Base-Isolated Structure under Seismic Excitation (Articles)

Wensheng Ding, Zhi Sun

Journal of Applied Mathematics and Physics Vol.2 No.5, April 25, 2014

DOI: 10.4236/jamp.2014.25020 4,203 Downloads 5,613 Views Citations
Speech Signal Recovery Based on Source Separation and Noise Suppression (Articles)

Zhe Wang, Haijian Zhang, Guoan Bi

Journal of Computer and Communications Vol.2 No.9, July 11, 2014

DOI: 10.4236/jcc.2014.29015 3,940 Downloads 5,516 Views Citations
ESMD Method for Frequency Distribution of Tank Surface Temperature under Wind Effect (Articles)

Jinliang Wang, Xianshui Fang

International Journal of Geosciences Vol.6 No.5, May 15, 2015

DOI: 10.4236/ijg.2015.65038 3,069 Downloads 4,236 Views Citations
Time-Frequency Analysis of Asymmetric Triaxial Galaxy Model Including Effect of Spherical Dark Halo Component (Articles)

Beena R. Gupta, Vinay Kumar

International Journal of Astronomy and Astrophysics Vol.5 No.2, June 11, 2015

DOI: 10.4236/ijaa.2015.52014 5,305 Downloads 6,412 Views Citations
On Inversion of Continuous Wavelet Transform (Articles)

Lintao Liu, Xiaoqing Su, Guocheng Wang

Open Journal of Statistics Vol.5 No.7, December 18, 2015

DOI: 10.4236/ojs.2015.57071 4,223 Downloads 6,412 Views Citations
This article belongs to the Special Issue on Time Series Analysis
Study of Frequency Effects on Hardness Profile of Spline Shaft Heat-Treated by Induction (Articles)

Habib Hammi, Abderazzak El Ouafi, Noureddine Barka

Journal of Materials Science and Chemical Engineering Vol.4 No.3, March 9, 2016

DOI: 10.4236/msce.2016.43001 2,693 Downloads 4,602 Views Citations

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