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Science with a Small Two-Band UV-Photometry Mission III: Active Galactic Nuclei and Nuclear Transients
Published 2024“…For tidal disruption events (TDEs), high-cadence UV monitoring is crucial for distinguishing among different scenarios for the origin of the UV emission. The small two-band UV space telescope will also provide information about the near- and far-UV continuum variability for rare transients, such as repetitive partial TDEs and jetted TDEs. …”
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Article -
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Band-gap engineering for multi-colored perovskite solar cell windows
Published 2016Get full text
Final Year Project (FYP) -
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Considerations on Possible Directions for a Wide Band Polarimetry X-ray Mission
Published 2024Get full text
Article -
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Performance study of terahertz (THz) wireless systems for space applications
Published 2022“…As one of the key technologies for 6G mobile communication, terahertz has abundant frequency band resources, capable of providing more than 20 GHz bandwidth and Tera bps communication rates. …”
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Thesis-Master by Coursework -
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Investigating the EM performance of building materials for mid-band 5G in urban built environment: an exploratory study
Published 2024“…The resulting polynomial model delineates the change in frequency response to a corresponding change in continuous factor levels within the parameter space of the experimental design. The thesis is concluded with the investigation of material loading on an evolved antecedent hexagonal-stubbed complementary split-ring resonator (CSRR)-loaded electrically small antenna (ESA) designed to cover the 3.5 GHz 5G frequency band. …”
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Thesis-Doctor of Philosophy -
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Implementation of a multi-channel RF front-end for space-time processing system
Published 2008“…This project entitled "Implementation of a multi-channel RF front-end for space-time processing system" is a development project. …”
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Thesis -
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An Efficient EAP-Based Pre-Authentication for Inter-WRAN Handover in TV White Space
Published 2017“…The IEEE 802.22 standard regulates wireless regional area network (WRAN) operating at the very high frequency and ultrahigh frequency television white space (TVWS) bands. WRAN supports extensible authentication protocol (EAP)-based authentication schemes. …”
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Journal Article -
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The impact of photopigment bleaching on the human rod photoreceptor subretinal space measured via optical coherence tomography
Published 2024“…The optical path length of the rod photoreceptor subretinal space (SRS), that is, the distance between signal bands of rod outer segment tips and retinal pigment epithelium, was measured in 15 healthy subjects in ambient light and during a long-duration bleaching white-light exposure. …”
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Journal Article -
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Space efficient meta-grid lines for mutual coupling reduction in two-port planar monopole and DRA array
Published 2023“…The TPCFMAA can be used in 3.5 GHz Internet of Vehicles (IoV) multi-user MIMO service, whereas the TPDRAA can be used for satellite communication in the 5.925 to 6.425 GHz frequency band, WiMAX in the 5.7 to 5.85 GHz band, ISM in the 5.725 to 5.85 GHz band, and WLAN in the 5.8 GHz band.…”
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Journal Article -
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Finite temperature dynamics of a Holstein polaron : the thermo-field dynamics approach
Published 2019“…Results on the mean square displacements show that band-like transport features dominate the diagonal coupling cases, and there exists a crossover from band-like to hopping transport with increasing temperature when including off-diagonal coupling. …”
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Journal Article -
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Quantum scale biomimicry of low dimensional growth : an unusual complex amorphous precursor route to TiO2 band confinement by shape adaptive biopolymer-like flexibility for energy...
Published 2020“…Further, we show the change in optoelectronic properties under quantum confinement is intrinsically related to size that affects their optical absorption band energy range in DSSC.…”
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Journal Article -
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Lenggong Iron Bound Melangkaui Had
Published 2024“…Lenggong, sebuah bandar kecil yang terletak di Perak, sering kali dikaitkan dengan warisan sejarahnya yang kaya. …”
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UMPSA News -
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Innovative UWB phase shifters using groove gap-waveguide technology inspired by metasurfaces for beamforming networks operating at 100 GHz
Published 2025“…The metasurface features a "bed-of-nails" structure, where metal pins are connected to a bottom layer and spaced <λ/4 from a top plate. This configuration provides a UWB stop-band over the 80–110 GHz spectrum, ensuring effective phase shifting at 100 GHz within the ultra-wideband range.…”
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Conference or Workshop Item -
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Direction finding for UWB RFID system in dense cluttered environments
Published 2014“…Ultra-wide band (UWB) radio frequency identification (RFID) system provides a promising solution in these global-positioning-system (GPS-) denied environments due to a number of advantages such as low duty cycle, multipath immunity and low cost. …”
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Thesis -
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Studies of influence on iron (III) oxide on propagation loss of building materials for 5G wireless communications
Published 2022“…S-parameter measurements at 2.4 GHz frequency band, 3.5 GHz mid-band 5G frequency band and 26 GHz high band 5G frequency band are obtained using Vector Network Analyzer in a fully shielded anechoic chamber using free-space method and waveguide method. …”
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Thesis-Master by Coursework -
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Optical properties of ultrathin metal oxide and metal films : effect of free electrons, quantum confinement and localized surface plasmon resonance
Published 2016“…The comparison study of the free electrons between the undoped ZnO and AZO shows that free electrons could greatly suppress the excitonic absorption near the band edge and result in an expansion of band gap due to the free electrons effect. …”
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Thesis -
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Strong electron–phonon coupling in magic-angle twisted bilayer graphene
Published 2024“…Calculations suggest that the formation of these flat-band replicas in superconducting MATBG are attributed to the strong coupling between flat-band electrons and an optical phonon mode at the graphene K point, facilitated by intervalley scattering. …”
Journal article -
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Communication satellite power amplifiers: current and future SSPA and TWTA technologies
Published 2017“…We find an increase in output power from the 1993 study of >200% for Ku-band TWTAs and C-band SSPAs, and >1000% increase for C-band TWTAs. …”
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Article