Browsing Electrical Engineering by Title
Now showing items 2462-2481 of 2616
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Theoretical accuracy analysis of indoor visible light communication positioning system based on time-of-arrival
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, an improved channel model and estimation for positioning in indoor environments using the visible light is presented. For positioning, the specific propagation and indoor channel model for visible light is ... -
Theoretical investigation on the effect of individual stage-gain selection on the 3-dB bandwidth of three-op-Amp difference amplifiers
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)The differential gain of a three-op-Amp difference amplifier is determined by the product of the gain values of its two stages. Usually, the total desired differential gain is assigned to the first stage while the gain of ... -
Theory and design of high-resolution quadratic TFDs
( Elsevier Inc. , 2016 , Book chapter)The quadratic time-frequency distributions (TFDs) introduced in the previous chapter represent the majority of traditional time-frequency ((t,f)) methods used in practical applications that deal with nonstationary signals. ... -
Theory and simulation of a miniature zirconia sensor for control of the air-to-fuel ratio in combustion systems
( IEEE , 2001 , Article)The theory of operation on both sides of stoichiometry of a miniature zirconia oxygen pump-gauge incorporating a diffusion hole is discussed. Computer simulation of the sensor output when used for monitoring the air-to-fuel ... -
Thermal analysis of Si-IGBT based power electronic modules in 50kW traction inverter application
( Elsevier , 2023 , Article)Estimation of accurate IGBT junction temperature is crucial for reliability assessment. The well-known RC lumped approach can help predict junction temperature. However, this method suffers from inaccuracy while characterizing ... -
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
( Elsevier , 2022 , Article)Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ... -
Thermal Change Index-Based Diabetic Foot Thermogram Image Classification Using Machine Learning Techniques
( MDPI , 2022 , Article)Diabetes mellitus (DM) can lead to plantar ulcers, amputation and death. Plantar foot thermogram images acquired using an infrared camera have been shown to detect changes in temperature distribution associated with a ... -
Third Harmonic Operation of Current Fed Resonant Inverters for Inductive Power Transfer Systems
( IEEE Computer Society , 2020 , Conference Paper)This paper presents Third Harmonic Operation (THO) of Current Fed Parallel Resonant Push-pull Inverter (CFPRPI) for Inductive Power Transfer (IPT) systems. THO is proposed for CFPRPI to achieve higher voltage ratio with ... -
Three dimensional magnetic field computation by a coupled vector-scalar potential method in brushless DC motors with skewed permanent magnet mounts - the formulation and FE grids
( IEEE , 1994 , Article)A three dimensional finite element (3D-FE) method for the computation of global distributions of 3D magnetic fields in electric machines containing permanent magnets is presented. The formulation of this 3D-FE method ... -
Three dimensional magnetic field computation by a coupled vector-scalar potential method in brushless DC motors with skewed permanent magnet mounts - the no-load and load results
( IEEE , 1994 , Article)The coupled magnetic vector potential-magnetic scalar potential (CMVP-MSP) method of computation of 3D magnetic fields by finite elements (3D-FE), whose theoretical development and formulation were detailed in a companion ... -
Three-dimensional finite element analysis of permanent magnet brushless DC motor drives - Status of the state of the art
( IEEE , 1996 , Article)This paper reviews recent advances in the state of the art of applying three-dimensional finite-element (3-D-FE) magnetic field computation techniques to the analysis and quantification of parameters and performance of ... -
Three-wire bipolar high-voltage direct current line using an existing single-circuit high-voltage alternating current line for integrating renewable energy sources in multiterminal DC networks
( Institution of Engineering and Technology , 2016 , Article)When compared with conventional point-To-point high-voltage direct current (HVDC) systems, multiterminal HVDC (MTDC) systems are more economical and flexible. MTDC systems can tie distributed high power renewable energy ... -
Threshold-based relaying in coded cooperative networks
( IEEE , 2011 , Article)In cooperative communications, error propagation at the relay nodes degrades the diversity order of the system. To combat that effect, we present a novel technique to control error propagation at the relays, which is ... -
Thresholds optimization for one-bit feedback multi-user scheduling
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)We propose a new one-bit feedback scheme with scheduling decision based on the maximum expected weighted rate. We show the concavity of the 2-user case and provide the optimal solution which achieves the maximum weighted ... -
Throughput maximization via adjusting packet size of a buffered cognitive radio user
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper, we investigate a cognitive scenario with one secondary user and one primary user. Users are assumed to be buffered terminals. Each user has certain arrival rate with certain packet size. We propose a scheme ... -
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 ...