Browsing Electrical Engineering by Title

Now showing items 2373-2392 of 2495

    • Time-frequency compressed spectrum sensing in cognitive radios 

      Monfared, Shaghayegh S.M.; Taherpour, Abbas; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference Paper)
      In this paper, we investigate the use of time-frequency analysis for improvement of spectrum sensing in cognitive radios and exploit compressed sensing (sampling) to reduce the extremely high sampling rate of signal in ...

    • Time-frequency detection of slowly varying periodic signals with harmonics: Methods and performance evaluation 

      O'Toole J.M.; Boashash B. (2011 , Article)
      We consider the problem of detecting an unknown signal from an unknown noise type. We restrict the signal type to a class of slowly varying periodic signals with harmonic components, a class which includes real signals ...

    • Time-frequency diagnosis, condition monitoring, and fault detection 

      Powers, E.J.; Shin, Y.-J.; Mack Grady, W.; Böhme, J.F.; Carstens-Behrens, S.; ... more authors ( Elsevier Inc. , 2016 , Book chapter)
      This chapter aims to further illustrate the (t,f) approach by selecting a few key generic applications of diagnosis and monitoring. The topic is represented by seven sections. One key application is electrical power ...

    • Time-frequency features for pattern recognition using high-resolution TFDs: A tutorial review 

      Boashash B.; Khan N.A.; Ben-Jabeur T. ( Elsevier Inc. , 2015 , Article)
      This paper presents a tutorial review of recent advances in the field of time-frequency (t, f) signal processing with focus on exploiting (t, f) image feature information using pattern recognition techniques for detection ...

    • Time-frequency methodologies in neurosciences 

      Boashash, B.; Stevenson, N.J.; Rankine, L.J.; Stevenson, N.J.; Azemi, G.; ... more authors ( Elsevier Inc. , 2016 , Book chapter)
      This chapter presents a number of time-frequency (t,f) techniques that can provide advanced solutions to several problems in neuro-sciences with focus on the monitoring of brain abnormalities using EEG and other physiological ...

    • Time-frequency methods in communications 

      Amin, M.G.; Lindsey, A.R.; Sayeed, A.M.; Barbarossa, S.; Tsitsvero, M.; ... more authors ( Elsevier Inc. , 2016 , Book chapter)
      The wide range of potential applications of time-frequency (t,f) methods made them an important tool in most fields of science and engineering. Telecommunications is one of the key industries where (t,f) methods started ...

    • Time-frequency methods in radar, sonar, and acoustics 

      Marple, S.L., Jr.; Barbarossa, S.; Ferguson, B.G.; Lo, K.W.; Frazer, G.J.; ... more authors ( Elsevier Inc. , 2016 , Book chapter)
      The fields of radar and sonar are traditionally key application areas and testing grounds for advances in signal processing, including time-frequency (t,f) methodologies; their significance is demonstrated in seven ...

    • Time-Frequency Signal Analysis and Processing: A Comprehensive Reference 

      Boashash, Boualem ( Elsevier Inc. , 2015 , Book)
      Time-Frequency Signal Analysis and Processing (TFSAP) is a collection of theory, techniques and algorithms used for the analysis and processing of non-stationary signals, as found in a wide range of applications including ...

    • Time-frequency synthesis and filtering 

      Hlawatsch, F.; Matz, G.; Boashash, B.; Ouelha, S.; Stanković, S.; ... more authors ( Elsevier Inc. , 2016 , Book chapter)
      This chapter presents methods and techniques to design time-varying linear systems such as filters with precise time-frequency (t,f) specifications; this capability can then allow one to model and predict accurately the ...

    • To Relay or Not To Relay in Cognitive Radio Sensor Networks 

      Foukalas, F.; Khattab, T. ( IEEE , 2014 , Article)
      A recent investigation on MAC layer in cognitive radio networks proposed the primary packet relaying by the secondary node maintaining an extra queue used for this particular addable functionality. Nevertheless, relaying ...

    • Top-down/bottom-up method for identifying a set of voltage stability preventive controls 

      Alzaareer, Khaled; Saad, Maarouf; Mehrjerdi, Hasan; Lefebvre, Serge; Asber, Dalal ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      In this work, a novel method for choosing a global set of preventive controls for voltage stability analysis is developed. The method depends on top-down and bottom-up approaches to obtain the set of controls according to ...

    • Torque ripple alleviation of a radial magnetic gearbox using step skewing approach 

      Zaytoon, H.; Abdel-Khalik, A. S.; Ahmed, S.; Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)
      Recently, magnetic gearboxes (MGBs) are serious contenders to their conventional mechanical counterparts in terms of reduced maintenance requirements, improved reliability, tolerance to mechanical inaccuracies, and inherent ...

    • Torque ripple reduction of radial magnetic gearbox using axial pole pairing 

      Zaytoon, H.; Abdel-Khalik, A.S.; Massoud, Ahmed; Ahmed, S.; Elarabawy, I. ( Institution of Engineering and Technology , 2014 , Conference Paper)
      Magnetic gearbox (MGB) is a contactless magnet-based transmission system that transmits mechanical power between two shafts. MGBs offer significant advantages over mechanical gears such as contactless power transfer, high ...

    • Torque ripple reduction of radial magnetic gearbox using axial pole pairing 

      Zaytoon, H.; Abdel-Khalik, A. S.; Massoud, Ahmed; Ahmed, S.; Elarabawy, I. ( Institution of Engineering and Technology , 2014 , Conference Paper)
      Magnetic gearbox (MGB) is a contactless magnet-based transmission system that transmits mechanical power between two shafts. MGBs offer significant advantages over mechanical gears such as contactless power transfer, high ...

    • Torque ripples improvement of direct torque controlled five-phase induction motor drive using backstepping control 

      Echeikh, H.; Trabelsi, R.; Kesraoui, H.; Iqbal, Atif; Mimouni, M.F. ( Institute of Advanced Engineering and Science , 2020 , Article)
      The paper proposes Direct Torque Control (DTC) of a five-phase induction motor drive with reduced torque ripple. The method presented here is the DTC-Backstepping based on the classic DTC working with a constant switching ...

    • Toward IoRT Collaborative Digital Twin Technology Enabled Future Surgical Sector: Technical Innovations, Opportunities and Challenges 

      Das, Chetana; Mumu, Anika Anis; Ali, Md Firoj; Sarker, Subrata K.; Muyeen, S. M.; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Other)
      In today's world, it is anticipated that DTw and IoRT will transform the idea of digital healthcare and advancement of it what was previously unknown. DTw is (physical or virtual) machines or computer-based models capable ...

    • Towards a Practical Crowdsensing System for Road Surface Conditions Monitoring 

      El-WakeelA.S.; LiJ.; NoureldinA.; HassaneinH.S.; ZorbaN. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)
      The Internet of Things (IoT) infrastructure, systems, and applications demonstrate potential in serving smart city development. Crowdsensing approaches for road surface conditions monitoring can benefit smart city road ...

    • Towards bandwidth guaranteed energy efficient data center networking 

      Wang, Ting; Qin, Bo; Su, Zhiyang; Xia, Yu; Hamdi, Mounir; ... more authors ( Springer , 2015 , Article)
      The data center network connecting the servers in a data center plays a crucial role in orchestrating the infrastructure to deliver peak performance to users. In order to meet high performance and reliability requirements, ...

    • Towards distributed based energy transaction in a clean smart island 

      Gong, Xuan; Dong, Feifei; Mohamed, Mohamed A.; Awwad, Emad Mahrous; Abdullah, Heba M.; ... more authors ( Elsevier , 2020 , Article)
      Over the last few decades, the use of renewable and clean energy sources has been the core of attention of the researchers. Besides, utilization of the energy hubs as a great innovation for future multi-carrier energy ...

    • Towards electric digital twin grid: Technology and framework review 

      Sifat, Md. Mhamud Hussen; Choudhury, Safwat Mukarrama; Das, Sajal K.; Ahamed, Md. Hafiz; Muyeen, S.M.; ... more authors ( Elsevier B.V. , 2023 , Article Review)
      The major hindrances in the energy system are ecological consciousness, lack of clean and sustainable energy management, insufficient energy distribution-transmission-optimization, expensive power transfer costs, and ...