Browsing Engineering by Title
Now showing items 76-95 of 359
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Design of 1-Bit Digital Subwavelength Metasurface Element for Sub-6 GHz Applications
(Institute of Electrical and Electronics Engineers Inc., 2020)This paper proposes a novel 1-bit, electronically reconfigurable, subwavelength metasurface unit cell for sub-6 GHz applications. 180° phase shift is achieved by integrating a single PIN diode in the structure. The unit ... -
Design of an efficient algorithm for solution of Bratu differential equations
(Ain Shams University, 2021)In this research, we have suggested a combined strategy to calculate and determine the solutions for problems originating in combustion theory and heat transfer, that are known as Bratu differential equations. We aim to ... -
Design of Neural Network with Levenberg-Marquardt and Bayesian Regularization Backpropagation for Solving Pantograph Delay Differential Equations
(Institute of Electrical and Electronics Engineers Inc., 2020)In this paper, novel computing paradigm by exploiting the strength of feed-forward artificial neural networks (ANNs) with Levenberg-Marquardt Method (LMM), and Bayesian Regularization Method (BRM) based backpropagation is ... -
Design of Wideband Circular-Slot Antenna for Harvesting RF Energy
(Hindawi Limited, 2022)The design of a wideband circular-slot antenna for RF signal harvesting is reported in this work. The proposed design frequency range accommodates the leading contributors to the available RF signals accessible by the RFEH ... -
Design-Oriented Two-Stage Surrogate Modeling of Miniaturized Microstrip Circuits with Dimensionality Reduction
(Institute of Electrical and Electronics Engineers Inc., 2020)Contemporary microwave design heavily relies on full-wave electromagnetic (EM) simulation tools. This is especially the case for miniaturized devices where EM cross-coupling effects cannot be adequately accounted for using ... -
Detection of butane and propane gases via C2N sensors: first principles modeling
(Nature Research, 2023)Gas sensing is a critical research area in aerospace, military, medical, and industrial environments, as it helps prevent risks to human health and the environment caused by toxic gases. Propane and butane, commonly used ... -
Deterministic modeling of 5g millimeter-wave communication in an underground mine tunnel Open Access
(IEEE., 2019)This paper presents broadband simulations and measurements of Millimeter-Waves (mm-wave) propagation in a rugged underground mine environment. Mathematical formulation was carried out in the framework of Uniform Theory of ... -
Development of a composite model for predicting urban surface temperature distribution in the context of GIS
(Institute of Physics, 2023)In this paper, we present a new model for simulating radiation heat transfer and surface temperatures in urban environments, which is a prerequisite for simulating outdoor mean radiant temperature for pedestrians. We propose ... -
Dielectric resonator antenna with reconfigurable polarization states
(John Wiley and Sons Inc., 2020)This study presents a simple and low-profile cylindrical dielectric resonator antenna (CDRA) for the fifth-generation (5G) band (3.5 GHz) with switchable polarization. The antenna can operate with linear or circular ... -
Direct numerical simulation of the drag, lift, and torque coefficients of high aspect ratio biomass cylindrical particles
(American Institute of Physics Inc., 2024-01)Biomass straw fuel has the advantage of low-carbon sustainability, and therefore, it has been widely used in recent years in coupled blending combustion with coal-fired utility boilers for power generation. At present, the ... -
A Distributed and Secure Self-Sovereign-Based Framework for Systems of Systems
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)Security and privacy are among the main challenges in the systems of systems. The distributed ledger technology and self-sovereign identity pave the way to empower systems and users’ security and privacy. By utilizing both ... -
DS-Index: Ranking Authors Distinctively in an Academic Network
(Institute of Electrical and Electronics Engineers Inc., 2017)The impact and productivity of researchers are assessed using bibliometric parameters, such as the number of publications and citation analysis. A number of indices exist that use these parameters, but almost all of them ... -
Dynamic resource allocation for opportunistic software-defined IoT networks: Stochastic optimization framework
(Institute of Advanced Engineering and Science, 2020)Several wireless technologies have recently emerged to enable efficient and scalable Internet-of-Things (IoT) networking. Cognitive radio (CR) technology, enabled by software-defined radios, is considered one of the main ... -
Dynamical analysis of fractional-order tobacco smoking model containing snuffing class
(Elsevier, 2021)The current pandemic situation caused by COVID-19 has affected human life globally at the economic, social and mental health levels. Specifically, tension has led an increasing number of people to the consumption ... -
An Edge-Based Selection Method for Improving Regions-of-Interest Localizations Obtained Using Multiple Deep Learning Object-Detection Models in Breast Ultrasound Images
(MDPI, 2022)Computer-aided diagnosis (CAD) systems can be used to process breast ultrasound (BUS) images with the goal of enhancing the capability of diagnosing breast cancer. Many CAD systems operate by analyzing the region-of-interest ... -
Effect of using Oil Shale Ash on geotechnical properties of cement-stabilized expansive soil for pavement applications
(Elsevier Ltd, 2023)Expansive soil is considered an engineering problem that may cause cracks and distresses in structures and roads. Due to its swelling potential and low unconfined strength, expansive soil causes failures in structures and ... -
Effective Microorganisms and Glass Nanopowders from Waste Bottle Inclusion on Early Strength and Microstructure Properties of High-Volume Fly-Ash-Based Concrete
(MDPI, 2022)In concrete production, the use of high-volume fly ash (FA) as the cement substitute became interesting to achieve more sustainable and eco-friendly construction materials. However, concrete produced using high volumes of ... -
An efficient deep learning model for brain tumour detection with privacy preservation
(John Wiley and Sons Inc, 2023)Internet of medical things (IoMT) is becoming more prevalent in healthcare applications as a result of current AI advancements, helping to improve our quality of life and ensure a sustainable health system. IoMT systems ... -
An efficient high-gain bidirectional interleaved boost converter for PV integration to DC microgrid
(PubMed ID, 2024)The design of a power electronic interface for high voltage difference DC buses is a key aspect in DC microgrid applications. A multi-port non isolated interleaved high-voltage gain bidirectional converter, which facilitates ... -
An efficient optimizer for the 0/1 knapsack problem using group counseling
(PeerJ Inc., 2023)The field of optimization is concerned with determining the optimal solution to a problem. It refers to the mathematical loss or gain of a given objective function. Optimization must reduce the given problem's losses and ...