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السجلات المعروضة 11153 -- 11172 من 50445
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Four-Arm Three-Phase Modular Multilevel Converter (4A-TPMMC)
( Taylor and Francis Inc. , 2017 , Article)In this paper a Four-Arm Three-Phase MMC (4A-TPMMC)-based DC-AC converter is proposed. The proposed converter generates a three-phase output voltage using a lower number of components, which reduces the converter complexity ... -
Four-switch three-phase SEPIC-based inverter
( IEEE , 2014 , Article)Four-switch three-phase (FSTP) inverter has been proposed as an innovative inverter design to reduce the cost, complexity, size, and switching losses of the DC-AC conversion system. Traditional FSTP inverter usually operates ... -
Fourier Transform Infrared (FT-IR) and Laser Ablation Inductively Coupled Plasma–Mass Spectrometry (LA-ICP-MS) Imaging of Cerebral Ischemia: Combined Analysis of Rat Brain Thin Cuts Toward Improved Tissue Classification
( SAGE Publications Inc. , 2018 , Article)Microspectroscopic techniques are widely used to complement histological studies. Due to recent developments in the field of chemical imaging, combined chemical analysis has become attractive. This technique facilitates a ... -
Fourier transform infrared imaging-A novel approach to monitor bio molecular changes in subacute mild traumatic brain injury
( MDPI AG , 2021 , Article)Traumatic brain injury (TBI) can be defined as a disorder in the function of the brain after a bump, blow, or jolt to the head, or penetrating head injury. Mild traumatic brain injury (mTBI) can cause devastating effects, ... -
Fourier-transform infrared imaging spectroscopy and laser ablation -ICPMS new vistas for biochemical analyses of ischemic stroke in rat brain
( Frontiers Media S.A. , 2018 , Article)Objective: Stroke is the main cause of adult disability in the world, leaving more than half of the patients dependent on daily assistance. Understanding the post-stroke biochemical and molecular changes are critical for ... -
The Fourth Youth Research Forum (Day1)
( Qatar University , 2022 , Video) -
The Fourth Youth Research Forum (Day2)
( Qatar University , 2022 , Video) -
FPGA for 5G: Re-configurable hardware for next generation communication
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Next generation communication relies on standardized protocols, heterogeneous architectures and advanced technologies that are envisioned to bring ubiquitous and seamless connectivity. This evolution of communication will ... -
FPGA implementation of a hardware XTEA light encryption engine in co-design computing systems
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)In the era of viruses and hackers targeting high-tech information transported across the Internet, security is becoming a paramount goal. A cryptographic system is a method of hiding information where only the person owning ... -
FPGA implementation of DWT EEG data compression for wireless body sensor networks
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Wireless body sensor networks (WBSN) provide an appreciable aid to patients who require continuous care and monitoring. One key application of WBSN is mobile health (mHealth) for continuous patient monitoring, acquiring ... -
FPGA Implementation of Orthogonal Matching Pursuit for Compressive Sensing Reconstruction
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)In this paper, we present a novel architecture based on field-programmable gate arrays (FPGAs) for the reconstruction of compressively sensed signal using the orthogonal matching pursuit (OMP) algorithm. We have analyzed ... -
FPGA-BASED ENERGY-EFFICIENT HIGH-SPEED LDPC CHANNEL CODING SCHEME FOR CUBESAT
(2023 , Master Thesis)With the rapidly increasing demand on reliable high-speed connectivity resulting from advancements in many technologies, constellations of CubeSats present a promising opportunity to meet these demands. However, establishing ... -
Fractional factorial design model for seismic performance of RC bridge piers retrofitted with steel-reinforced polymer composites
( Elsevier , 2020 , Article)This study explores the effects of key design parameters on the performance of seismically deficient rectangular cross-section reinforced concrete (RC) bridge piers strengthened with steel-reinforced polymer (SRP) composites. ... -
Fractional low order cyclostationary-based spectrum sensing in cognitive radio networks
( Springer Verlag , 2015 , Conference Paper)In this paper, we study the problem of cyclostationary spectrum sensing in cognitive radio networks based on cyclic properties of linear modulations. For this purpose, we use fractional order of observations in cyclic ... -
Fractional-order controllers for stick-slip vibration mitigation in oil well drill-strings
( SAGE , 2021 , Article)Drillstring–borehole interaction can produce severely damaging vibrations. An example is stick–slip vibration, which negatively affects drilling performance, tool integrity and completion time, and costs. Attempts to ... -
Fractionation and phytochemical composition of an ethanolic extract of Ziziphus nummularia leaves: antioxidant and anticancerous properties in human triple negative breast cancer cells
( Frontiers Media , 2024 , Article)Natural products have long been utilized in traditional medicine as remedies to improve health and treat illnesses, and have had a key role in modern drug discovery. Recently, there has been a revived interest in the search ... -
Fracture Analysis of a Special Cracked Lap Shear (CLS) Specimen with Utilization of Virtual Crack Closure Technique (VCCT) by Finite Element Methods
( Springer New York LLC , 2017 , Article)Some of the most important characteristics due to a fracture investigation of a special specimen are taken into account. Debonding considerations for a composite/steel cracked lap shear (CLS) specimen by utilization of ... -
Fragility Fracture Incidence and Risk in Patients Who Undergone Bone Mineral Density Testing in Qatar: A Retrospective Cohort Study
(2021 , Master Thesis)Background: Osteoporosis and its associated fragility fractures pose a significant public health issue in the elderly population. Additionally, diabetes has been linked to an increased risk of fragility fractures. In ...
