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21
Signal processing for cooperative cognitive radio networks
Published 2017“…In recent decades, cognitive radio has been introduced as a practical solution to solve the frequency scarcity problem by setting up a secondary network besides the primary one through a cognitive radio network (CRN) to increase the utilization rate of licensed frequency bands. There exist many parameters to achieve a reliable and practical CRN and it is necessary to conduct extensive signal processing studies to optimize them. …”
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Thesis -
22
A low complexity reconfigurable non-uniform filter bank for channelization in multi-standard wireless communication receivers
Published 2013“…The channelizer operates at the highest sampling rate in the digital front end of receiver and hence power efficient low complex architecture is required for cost-effective implementation of channelizer. …”
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Journal Article -
23
Compositionally graded alloys fabricated using the laser powder bed fusion technique
Published 2023“…Two types of grain morphologies and chemical segregation bands, which are either rich in Ni or in CoCrMo alloy, were observed. …”
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Thesis-Doctor of Philosophy -
24
Physical layer algorithms and architectures for accurate detection and classification in cognitive radios
Published 2014“…The new mobile broadband technology is rapidly growing towards a fifth generation (5G), as there is an increasing demand for high data rate devices. The advent of new wireless communication services renders the electromagnetic spectrum congested. …”
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Thesis -
25
Low complexity spectrum sensing for cognitive radio enabled aeronautical communication systems
Published 2020“…A Finite Impulse Response (FIR) filter bank is used to split the wideband to several narrow bands; then, the detection algorithm is applied to each narrow-bands individually. …”
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Thesis-Doctor of Philosophy -
26
Pre-failure strain localization in siliclastic rocks: a comparative study of laboratory and numerical approaches
Published 2024“…This was also observed during the experiment with the strain rate measurements and spatio-temporally correlated with an increase of the seismicity rate in a similar rock volume. …”
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Journal Article -
27
Early color photometry of a possible type Iax supernova 2023mnc: inferring the distance and progenitor constraints
Published 2023“…The estimated date of explosion is t 0 = 60130 $t_{0}=60130$ MJD and implies a short rise time of t r i s e ≈ 16 $t_{rise} \approx 16$ days. The apparent g-band peak magnitude and the post-peak decline rate are m m a x ( g ) = − 19.52 ± 0.47 $m_{max}(g)=-19.52\pm 0.47$ mag and Δ m 15 ( g ) = 0.825 ± 1.635 $\Delta m_{15}(g)=0.825\pm 1.635$ mag, respectively. …”
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Article -
28
Stock prediction using support vector regression
Published 2013“…The various parameters include open price, close price, high price, low price, adj.close, volume, Moving Average (MA) for a 15 day period, Exponential Moving Average for a 15-day period (EMA), MACD (Moving Average Convergence Divergence), Rate of Change for a 10 day period (ROC10), Relative Strength Index (RSI), Bollinger bands (BB), Volatility, On Balance Volume (OBV), Relative Difference in Percentage (RDP) and Chaikin Money Flow (CMF). …”
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Final Year Project (FYP) -
29
Ship detection using optical satellite imagery
Published 2016“…However, optical satellite imagery has its edge over the SAR counterpart in the choices of bands, resolutions and revisit rates, let alone the costs. …”
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Final Year Project (FYP) -
30
Development and characterization of collagen type I and hyaluronic acid (HA) based interlaced scaffolds for tissue engineered heart valves (TEHVS)
Published 2017“…Scanning electron micrographs (SEM) and images of Alcian blue – Periodic acid Schiff (PAS) stained samples suggested that our crosslinking technique yielded an ECM mimicking microstructure with interlaced bands of collagen and HA in the hybrid scaffolds. …”
Thesis -
31
Experimental investigation and crystal plasticity modelling of dynamic recrystallisation in dual-phase high entropy alloy during hot deformation
Published 2024“…High-temperature compression tests at strain rates of 0.2 and 0.7, combined with characterization techniques, reveal that DRX behavior significantly enhances with increasing temperature. …”
Journal article -
32
Synthesis and characterization of silver nanoprism-based nanostructures
Published 2013“…Silver nanoprisms are of particular interest because their surface plasmon resonance bands are readily tunable in the visible and near-IR (NIR) region. …”
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Thesis -
33
On the design of energy storage systems for the smoothing and dispatch planning of large-scale wind power generation
Published 2016“…In this manner, the wind power can then be grouped into high-, mid- and low-frequency bands.…”
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Thesis -
34
Near-IR and mid-IR (1.55 μm – 2 μm) silicon photonics devices on silicon-on-insulator (SOI) platform
Published 2018“…Furthermore, the mid-infrared (MIR, 2-15 μm) band is also very crucial as many gases and molecules have unique absorption fingerprints in this regime. …”
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Thesis -
35
Sleep monitoring by millimeter wave radar sensor
Published 2022“…The sleep monitoring system managed to perform a wireless detection of vital signs, such as heart rate and respiration rate, during sleep. Millimeter rave radar was used to monitor the chest motion, Fourier transform-based methods were applied for frequency resolutions, and band-pass filters were exercised to separate multiple vital sign signals. …”
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Final Year Project (FYP) -
36
Mechanisms and Implementation of Thermo-Optical Annealing in Silica Fiber Sensors for Radiation-Induced Attenuation Mitigation
Published 2024“…We design a white light absorption spectroscopy setup with in-situ irradiation and optical annealing, working at liquid nitrogen temperature and different post-irradiation warm-up rates. For the pure silica core and F-doped cladding fibers studied, the RIA spectrum obtained is decomposed into known radiation-induced defect absorption bands, highlighting the key role of self-trapped holes in RIA at telecommunication wavelengths. …”
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Thesis -
37
Theoretical analysis of structures and electronic spectra in molecular cadmium chalcogenide clusters
Published 2015“…Mixed ligand clusters with capping ER groups replaced by halogen or neutral ligands were also considered. …”
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Journal Article -
38
Visible light communication systems supporting wireless data access and indoor positioning applications
Published 2020“…In order to maximize the system data rate while guaranteeing the minimum data rate and high positioning accuracy requirements, a QoS-driven optimized design with joint adaptive modulation, subcarrier allocation and weighted pre-equalization is proposed to improve the system performance. …”
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Thesis-Doctor of Philosophy -
39
LKAW: a robust watermarking method based on large kernel convolution and adaptive weight assignment
Published 2023“…Because the magnitude and convergence rates of each loss function are different, an adaptive loss weight assignment strategy is proposed to make the weights participate in the network training together and adjust the weight dynamically. …”
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Journal Article -
40
Deformation and fracture of Titanium and Aluminium alloys
Published 2008“…Microscopic observations revealed banding in the microstructure which helped to improve the fatigue resistance.…”
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Thesis