Browsing Electrical Engineering by Title
Now showing items 2472-2491 of 2611
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Throughput of a cooperative energy harvesting secondary user in cognitive radio networks
( Wiley Blackwell , 2016 , Article)This paper investigates the maximum throughput of a rechargeable secondary user (SU) sharing the spectrum with a primary user (PU). The SU is assumed to be an energy harvesting node, which harvests energy packets from the ... -
Thyristor based SVC and multilevel qZSI for Active and Reactive power management in solar PV system
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)In this paper, Active and Reactive power management with the utility grid is achieved by integrating 7-level quasi Impedance Source Inverter (qZSI) with Thyristor based elements (Thyristor Switched Capacitor (TSC) and ... -
THz vs. FSO: An Outage Probability and Channel Capacity Performance Comparison Study
( IEEE , 2023 , Conference Paper)The main subject of this work is to make a detailed comparison between the performance of free-space optical (FSO) and terahertz (THz) links under different conditions. To this end, we first perform a detailed modeling of ... -
Time Domain Propagation Characteristics with Causal Channel Model for Terahertz Band
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)In recent years, as more devices are connected to wireless communication systems, the demand for spectrum has increased. As conventional spectrum resources are limited, the THz band becomes an interesting option of more ... -
Time frequency and array processing of non-stationary signals
(2012 , Article)The special issue of EURASIP Journal on Advances in Signal Processing 2012 focuses on the synergistic relationship between time-frequency methods and array signal processing methods and addresses recent developments. In ... -
Time frequency signal analysis and processing toolbox update 6.2: An enhanced research platform with new advanced high-resolution TFDs
( IEEE , 2013 , Conference Paper)This paper describes the advancements, updates and improvements made in the new Time Frequency Signal Analysis TFSAP toolbox as compared with the previous TFSA toolbox version. The updates and improvements done in TFSA ... -
Time-Dependent Bit Error Rate Analysis for Smart Utility Networks in the Presence of WLAN Interferers
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The smart grid (SG) modernizes the aging power grid by using two-way reliable communications dedicated to adaptive energy management. To achieve this goal, smart utility networks (SUNs) are used to efficiently connect the ... -
Time-frequency analysis of heart rate variability in neonatal piglets exposed to hypoxia
(2011 , Conference Paper)To determine whether the sympathetic nervous system plays any role in the inter-individual variation of cardiovascular response to hypoxia in newborns, neonatal heart rate variability (HRV) analysis was used to assess ... -
Time-frequency and instantaneous frequency concepts
( Elsevier Inc. , 2016 , Book chapter)This chapter provides an extended in-depth treatment of the material described in Chapter I. It focuses on the precise description of the key concepts and formulations needed to formally describe time-frequency (t, f) ... -
Time-frequency compressed spectrum sensing in cognitive radios
( 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
(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
( 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
( 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
( 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
( 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
( 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
( 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
( 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
( 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
( 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 ...