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7921
Response of geostationary communications satellite solid-state power amplifiers to high-energy electron fluence.
Published 2017“…We also find that the accumulated voltages reached are high enough to compromise components in the amplifier system, for example, the direct current (DC) blocking capacitor. An electron beam test using a representative coaxial cable terminated in a blocking capacitor showed that discharges could occur with peak voltages and energies sufficient to damage active RF semiconductor devices.…”
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Article -
7922
Multi-IRS empowered terahertz wireless communication over generalized fading
Published 2024“…To mitigate these limitations and leverage the unique advantages of the THz band, this study investigates a multi-IRS-empowered THz system that incorporates design parameters such as transceiver antenna gains, operation frequency, link distances, molecular absorption losses, beam misalignment, transceiver hardware imperfections, and statistical characteristics of the THz channel. …”
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Conference Paper -
7923
Pulsed laser scan methodology for single event effect (SEE) qualification
Published 2019“…Thereafter, focused ion beam cross-sectioning, transmission electron microscopy and energy dispersive x-ray spectroscopy found that the damage was related to nickel (in silicide layer) diffusion towards the gate terminal of the transistor. …”
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Thesis -
7924
New measurements of neutrino oscillation parameters and development of novel interaction uncertainties at current and future long-baseline experiments
Published 2024“…The unoscillated beam is measured by a suite of near detectors 280 m downstream of the target, and the oscillated spectra are measured at Super-K.…”
Thesis -
7925
Study of gas-liquid flow in microchannels
Published 2009“…The power setting and the beam speed of laser machine must be taken care as it affects the dimensions of channel and surface roughness. …”
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Final Year Project (FYP) -
7926
Solar UAV : design and fabrication of structural test rig for loading and testing a 7.5m half wing
Published 2013“…These results were compared to the theoretical values obtained from Euler-Bernoulli Beam Theory calculations and FEA analysis, concluding the effectiveness and accuracy of the test rig and test methodology.…”
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Final Year Project (FYP) -
7927
Opto-mechatronics instrumentation of a specialty optical fiber based optogenetic probe
Published 2019“…The galvanometric mirrors in the conventional targeted neuronal stimulation studies were replaced by the Spatial Light Modulators (SLM) in the state of the art optogenetics system due to its superior beam modulation options and response time. However, most of the SLM integrated with the optogenetic systems using coherent fiber bundle are the reflective type which suffers from a major drawback of complex optical configuration. …”
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Thesis -
7928
Design, fabrication and characterization of integrated electronic devices based on wafer-scale 2D materials
Published 2019“…Then standard micro-fabrication process including electron beam lithography (EBL) and atomic layer deposition (ALD) will be carried out to complete the fabrication of MoS2 field effect transistors (FETs). …”
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Final Year Project (FYP) -
7929
Fracture energy and mechanical properties of toughened epoxy resin with eggshell powder
Published 2024“…Dog-bone specimens were fabricated to investigate the mechanical properties of TEEP (i.e. elastic modulus, Poisson’s ratios and tensile strength) and tested under quasi-static tensile loading. Double Cantilever Beam (DCB) and End-Notched Flexure (ENF) tests were used to determine the mode I and Mode II fracture energies of TEEP specimens, respectively. …”
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Article -
7930
A Brewster route to Cherenkov detectors
Published 2022“…Our angular-selective Brewster paradigm offers a feasible solution to implement compact and highly sensitive Cherenkov detectors especially in beam lines with a small angular divergence using regular dielectrics.…”
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Journal Article -
7931
Simulation of self-image interference in single mode-no-core-single mode fiber with COMSOL Multiphysics®
Published 2022“…This paper proposes a simulation of self-image interference in a single mode-no-core-single mode fiber by using the wave-optics module in COMSOL Multiphysics® software. The beam propagation method is used to observe the self-image interference for different self-image indexes ranging from one to four indexes while the self-image length is obtained from the theoretical calculation before a simulation is carried out. …”
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Conference or Workshop Item -
7932
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7933
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7934
Electrodeposition of metal nanostructures for plasmonic sensing
Published 2019“…The two-step process of electron beam lithography followed by electrodeposition has emerged as a viable fabrication scheme for such devices, saving both time and precious metal by avoiding physical deposition in a vacuum chamber. …”
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Thesis -
7935
Single antenna power measurements based direction finding : an FRI solution
Published 2010“…Determining the angle of arrival (AoA) for wireless source signals has great poten- tial practical applications, one example is beam forming in cellular communication. The conventional methodology used to determine the AoA mainly uses the an- tenna array as an acquisition system, and there are many signal process algorithms developed to retrieve the direction of arrival information. …”
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Final Year Project (FYP) -
7936
A signal through the noise: accurate determination of hydrogen atom positions in crystal structures and optimisation of Laue neutron diffraction methods
Published 2021“…This focuses on:</p> <p>Recommendations for the efficient collection of Laue neutron data, in order to optimise the data set completeness and awarded beam-time; strategic considerations for how to best answer the scientific question(s) at hand in a Laue neutron experiment, whilst planning against future contingencies; improving methods for crystal packing and shipping, particularly for air and moisture sensitive materials; discussing issues arising from ice forming on the crystal during a Laue neutron diffraction experiment, and methods for minimising this problem; more effectively modelling disorder using ring shapes, in the crystallographic refinement package CRYSTALS; providing rationale for Laue neutron specific checkCIF comments.…”
Thesis -
7937
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7938
Financial constraints of ASEAN firms: impact alleviation by ESG pillars
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Article -
7939
Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
Published 2022“…The samples were irradiated in a 2 MeV electron beam (EB) machine at a dose of 200 kGy. The dynamic mechanical properties and glass transition temperature properties of the resulting composites were investigated as a function of MWNTs contents, functionalized MWNTs, and irradiation dose. …”
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Article -
7940
Parametric analysis of RSB sensors for concrete strength monitoring using hybrid EMI and WP techniques: Numerical investigation
Published 2024“…Firstly, the PZT patch-based sensing capabilities are validated with the experimental results from literature by modelling concrete cube for EMI and beam for WP results. Then, a total of 31 finite element models of concrete cubes having different RSB configurations were taken into consideration for sensor design and optimization. …”
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Article