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السجلات المعروضة 7117 -- 7136 من 8190
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Space vector pulse width modulation scheme for three to seven phase direct matrix converter
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper a generalized multi-phase space vector theory is considered for developing the space vector modulation of a three-phase to seven-phase direct matrix converter (DMC). The modulation is based on the control of ... -
Space vector pulse width modulation techniques for a five-phase impedeance source and quazi impedeance source inverters
( IEEE , 2015 , Conference Paper)Impedance source inverter (ZSI) and its variant quasi impedance source inverter (qZSI) are single stage inverters that transform dc to ac and boost the source voltage at the same time. These topologies have attracted great ... -
Space vector pulse-width modulation technique for an eleven-phase voltage source inverter with sinusoidal output voltage generation
( IET , 2015 , Article)This study discusses the space vector pulse-width modulation (SVPWM) scheme for an eleven-phase two-level voltage source inverter, aimed at producing a sinusoidal output voltage waveform. Generalised space vector theory ... -
Space vector PWM for a three-phase to six-phase direct AC/AC converter
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper a generalized multi-phase space vector theory is considered for developing the space vector modulation of a three-phase to six-phase AC to AC converter. The modulation is based on the control of the voltage ... -
Space vector vs. sinusoidal carrier-based pulse width modulation for a seven-phase voltage source inverter
( China Power Supply Society , 2019 , Article)The paper presents an extensive comparison between two pulse width modulation (PWM) control schemes, namely carrier-based and space vector based PWM for a seven-phase voltage source inverter. Sinusoidal carrier-based PWM ... -
Spammer Detection and Fake User Identification on Social Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Social networking sites engage millions of users around the world. The users' interactions with these social sites, such as Twitter and Facebook have a tremendous impact and occasionally undesirable repercussions for daily ... -
Spark ignition of a turbulent shear-less fuel-air mixing layer
( Elsevier Ltd , 2016 , Article)A planar methane-air mixing layer with equal velocity in the two streams has been used to examine the ignition probability and the non-premixed edge flame speed following spark ignition. The mixing layer has approximately ... -
Sparse Equalizers for OFDM Signals with Insufficient Cyclic Prefix
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)The cyclic prefix (CP) is appended in orthogonal frequency division multiplexing (OFDM) signals to combat inter-symbol interference (ISI) and inter-carrier interference (ICI) induced by the communication channel, which ... -
Sparsifying dictionary analysis for FIR MIMO channel-shortening equalizers
( IEEE , 2016 , Conference Paper)In this paper, we propose a general framework that transforms the problems of designing sparse finite-impulse response channel-shortening equalizers and target impulse response filters for multiple antenna systems into the ... -
Sparsity-aware joint frame synchronization and channel estimation: Algorithm and USRP implementation
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Conventional correlation-based frame synchronization techniques can suffer significant performance degradation over multi-path frequency-selective channels. As a remedy, in this paper we consider joint frame synchronization ... -
Sparsity-aware Multiple Relay Selection In Large Decode-and-forward Relay Networks
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Cooperative communication is a promising technology that has attracted significant attention recently thanks to its ability to achieve spatial diversity in wireless networks with only single-antenna nodes. The different ... -
Sparsity-Aware multiple relay selection in large dual-hop decode-And-forward broadband relay networks
( IEEE , 2016 , Conference Paper)In this paper, three novel techniques are proposed and investigated for multiple relay selection in dual hop OFDM networks. These techniques are based on the exploitation of sparse signal recovery theory and on carefully-designed ... -
Sparsity-aware multiple relay selection in large multi-hop decode-and-forward relay networks
( Springer International Publishing , 2016 , Article)In this paper, we propose and investigate two novel techniques to perform multiple relay selection in large multi-hop decode-and-forward relay networks. The two proposed techniques exploit sparse signal recovery theory to ... -
Sparsity-aware narrowband interference mitigation and subcarriers selection in OFDM-based cognitive radio networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, the performance of an orthogonal frequency division multiplexing overlay cognitive radio network with subcarrier selection schemes is investigated. We propose three subcarrier selection techniques that reduce ... -
Sparsity-Based Joint NBI and impulse noise mitigation in hybrid PLC-Wireless transmissions
( IEEE , 2018 , Article)We propose a new sparsity-aware framework to model and mitigate the joint effects of narrow-band interference (NBI) and impulsive noise (IN) in hybrid powerline and unlicensed wireless communication systems. The proposed ... -
Sparsity-cognizant multiple-access schemes for large wireless networks with node buffers
( IEEE , 2015 , Conference Paper)This paper proposes efficient multiple-access schemes for large wireless networks based on the transmitters' buffer state information and their transceivers' duplex transmission capability. First, we investigate the case ... -
The Spatial Form of Houses Built by Italian Migrants in Post WWII Brisbane, Australia
( Scientific & Academic Publishing , 2015 , Article)The literature reveals that despite the study of the relationship between human behavior, activities and built form has focused on physical spatial environments at any scale, ranging from built environment to built form, ... -
Spatial mapping of cancer tissues by OMICS technologies
( Elsevier B.V. , 2022 , Article)Spatial mapping of heterogeneity in gene expression in cancer tissues can improve our understanding of cancers and help in the rapid detection of cancers with high accuracy and reliability. Significant advancements have ... -
Spatiotemporal data mining: a survey on challenges and open problems
( Springer Science and Business Media B.V. , 2022 , Article)Spatiotemporal data mining (STDM) discovers useful patterns from the dynamic interplay between space and time. Several available surveys capture STDM advances and report a wealth of important progress in this field. However, ... -
Spatiotemporal Location Differential Privacy for Sparse Mobile Crowdsensing
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)مSparse Mobile Crowdsensing (SparseMCS) has become an efficient method for collecting and inferring sensor data at the urban scale, attracting many researchers' attention. However, there is a risk of location privacy being ...
