Browsing Faculty Contributions by Title
Now showing items 11000-11019 of 16950
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Optical and electrical properties of a new polymer
( John Wiley & Sons, Inc. , 1997 , Article)Thin film of poly (5-isopropylidenecyclo-1,4-vinylene-2,3-dicarboxylicacidamide-s-methyl hydrazinecarbodithioate) (II) (Scheme 1) of 5 μm thickness was prepared. The dielectric properties of the prepared sample were studied ... -
Optical and electrical properties of porous silicon impregnated with congo red dye
( American Institute of Physics , 2013 , Article)Incorporation of molecules into porous silicon (PS) matrix is of particular interest for potential utilization in hybrid organic-semiconductor devices. In this study, the incorporation of Congo Red molecules inside luminescent ... -
Optical biosensor based on ultrathin SOI waveguides
( Optica Publishing Group (formerly OSA) , 2020 , Conference Paper)We introduce an optical biosensor utilizing the MMI configuration and based on the ultrathin SOI platform. The biosensor was optimized using finite difference time domain simulations. A sensitivity of 420 nm/RIU was achieved. -
Optical character recognition on heterogeneous SoC for HD automatic number plate recognition system
( Springer International Publishing , 2018 , Article)Automatic number plate recognition (ANPR) systems are becoming vital for safety and security purposes. Typical ANPR systems are based on three stages: number plate localization (NPL), character segmentation (CS), and optical ... -
Optical characterization of tip bended Vertically Aligned Carbon Nanotubes array
( Elsevier B.V. , 2018 , Article)Vertically Aligned Carbon Nanotube arrays (also termed as VACNTs or CNT forest) have recently found to be transformable to a reflective mirror from a naturally black absorber. The feature of improved reflectance can be ... -
Optical fluorescent spider silk electrospun nanofibers with embedded cerium oxide nanoparticles
( SPIE , 2018 , Article)The work demonstrates an electrospun nanocomposite of recombinant spider silk protein (rSSp) nanofibers with embedded cerium oxide (ceria) nanoparticles. RSSP (MaSp1) has been produced, extracted from goat milk, and ... -
Optical investigation of a long throated Venturi conveying inert spherical particulate with size range similar to pulverised coal
( Elsevier B.V. , 2011 , Article)This experimental and numerical calculation work demonstrates the behaviour of a two-phase gas-solid Venturi. The type of two-phase flow studied is that encountered in conveying coal to the furnaces in power stations - a ... -
Optical mode division multiplexing for secure Ro-FSO WLANs
( American Scientific Publishers , 2015 , Article)The widespread deployment of various wireless radio access systems in public areas poses acute issues in frequency assignment. Radio-over-free-space-optics (Ro-FSO) technology enhances spectral efficiency and may pave the ... -
Optical mode division multiplexing for secure Ro-FSO WLANs
( American Scientific Publishers , 2015 , Article)The widespread deployment of various wireless radio access systems in public areas poses acute issues in frequency assignment. Radio-over-free-space-optics (Ro-FSO) technology enhances spectral efficiency and may pave the ... -
Optical modulator based on silicon nanowires racetrack resonator
( SPIE , 2018 , Conference Paper)An optical modulator based on the racetrack resonator configuration is introduced.The structure of the resonator modulator is built from silicon nanowires on silica.The cladding and voids between the silicon nanowires are ... -
Optical Non-invasive Technique for Cholesterol Detection in Blood
( Qatar University Press , 2021 , Poster)The aim of this research is to design and develop a non-invasive cholesterol sensor based on the principle of light absorption. The current existing invasive methods can be replaced with non-invasive techniques. The ... -
Optical solitons and qualitative analysis of nonlinear Schrodinger equation in the presence of self steepening and self frequency shift
( Elsevier , 2022 , Article)In this manuscript, the optical solitons of nonlinear Schrödinger equation (NLSE) with cubic–quintic law nonlinearity, in the presence of self-frequency shift and self-steepening, has been studied. The ultrahigh capacity ... -
Optimal adaptive control of drug dosing using integral reinforcement learning
( Elsevier Inc. , 2019 , Article)In this paper, a reinforcement learning (RL)-based optimal adaptive control approach is proposed for the continuous infusion of a sedative drug to maintain a required level of sedation. To illustrate the proposed method, ... -
Optimal Allocation of Multiple Distributed Generators and Shunt Capacitors in Distribution System Using Flower Pollination Algorithm
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Optimal siting and sizing of Distributed generators (DGs) and capacitors helps in enhancing the overall performance of distribution system. A proficient method to optimally allocate DGs and shunt capacitors in distribution ... -
Optimal allocation of power-to-hydrogen units in regional power grids for green hydrogen trading: Opportunities and barriers
( Elsevier , 2022 , Article)Due to the increasing hydrogen demands, a strong sense of commitment has recently been found to take advantage of the economic opportunities offered by power-to-hydrogen (P2H) units considering the high penetration of ... -
Optimal Boundary Control for Selective Catalytic Reduction Distributed Parameter Model
( Elsevier B.V. , 2018 , Article)This paper is devoted to design a model-based boundary optimal controller for selective catalytic reduction system. The mathematical model consists of coupled parabolic-hyperbolic PDEs with an ODE. The main objective is ... -
Optimal boundary control of coupled parabolic PDE-ODE systems using infinite-dimensional representation
( Elsevier , 2015 , Article)The optimal boundary control problem is studied for coupled parabolic PDE-ODE systems. The linear quadratic method is used and exploits an infinite-dimensional state-space representation of the coupled PDE-ODE system. ... -
Optimal collaborative energy harvesting spectrum sensing with limited time resource
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)We study a collaborative spectrum sensing (CSS) problem with limited time and energy resources in cognitive radio (CR) network. Time duration of sensing and data transmission, if the spectrum is identified as vacant, are ... -
Optimal conditions for olive mill wastewater treatment using ultrasound and advanced oxidation processes
( Elsevier , 2020 , Article)The treatment of olive mill wastewater (OMW) in Jordan was investigated in this work using ultrasound oxidation (sonolysis) combined with other advanced oxidation processes such as ultraviolet radiation, hydrogen peroxide ... -
Optimal Consensus Time Synchronizations for Wireless Sensor Networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Wireless Sensor Networks (WSNs) have received an important consideration in recent years regarding its broad area of applications. Time synchronization is one of the most important challenges of WSNs. This paper proposes ...
