Search Results - "Ng, Brian H"

On the Slow-Time k -Space and its Augmentation in Doppler Radar Tomography by Tran, Hai-Tan, Heading, Emma, Ng, Brian W-H

“…Doppler Radar Tomography (DRT) relies on spatial diversity from rotational motion of a target rather than spectral diversity from wide bandwidth signals. The…”
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Automated authorship attribution using advanced signal classification techniques by Ebrahimpour, Maryam, Putniņš, Tālis J, Berryman, Matthew J, Allison, Andrew, Ng, Brian W-H, Abbott, Derek

“…In this paper, we develop two automated authorship attribution schemes, one based on Multiple Discriminant Analysis (MDA) and the other based on a Support…”
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Dual-polarized highly sensitive plasmonic sensor in the visible to near-IR spectrum by Islam, Md Saiful, Sultana, Jakeya, Rifat, Ahmmed A, Ahmed, Rajib, Dinovitser, Alex, Ng, Brian W-H, Ebendorff-Heidepriem, Heike, Abbott, Derek

“…We propose and numerically characterize the optical characteristics of a novel photonic crystal fiber (PCF) based surface plasmon resonance (SPR) sensor in the…”
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Low-cost ultra-thin broadband terahertz beam-splitter by Ung, Benjamin S-Y, Fumeaux, Christophe, Lin, Hungyen, Fischer, Bernd M, Ng, Brian W-H, Abbott, Derek

“…A low-cost terahertz beam-splitter is fabricated using ultra-thin LDPE plastic sheeting coated with a conducting silver layer. The beam splitting ratio is…”
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Highly birefringent elliptical core photonic crystal fiber for terahertz application by Sultana, Jakeya, Islam, Md. Saiful, Faisal, Mohammad, Islam, Mohammad Rakibul, Ng, Brian W.-H., Ebendorff-Heidepriem, Heike, Abbott, Derek

“…We present a novel strategy for designing a highly birefringent photonic crystal fiber (PCF) with near zero flattened dispersion properties by applying…”
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Accurate image analysis of the retina using hessian matrix and binarisation of thresholded entropy with application of texture mapping by Yin, Xiaoxia, Ng, Brian W-H, He, Jing, Zhang, Yanchun, Abbott, Derek

“…In this paper, we demonstrate a comprehensive method for segmenting the retinal vasculature in camera images of the fundus. This is of interest in the area of…”
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2-D Wavelet Segmentation in 3-D T-Ray Tomography by Xiaoxia Yin, Ng, B.W.-H., Ferguson, B., Mickan, S.P., Abbott, D.

“…In this letter, segmentation techniques for terahertz (T-ray) computed tomographic (CT) imaging are investigated. A set of linear image fusion and novel…”
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DOA Estimation under Unknown Mutual Coupling and Multipath with Improved Effective Array Aperture by Wang, Yuexian, Trinkle, Matthew, Ng, Brian W-H

“…Subspace-based high-resolution direction of arrival (DOA) estimation significantly deteriorates under array manifold perturbation and rank deficiency of the…”
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Analysis of millimetre-wave polarization diverse multiple-input multiple-output capacity by Lawrence, Nicholas P., Ng, Brian W.-H., Hansen, Hedley J., Abbott, Derek

“…Millimetre-waves offer the possibility of wide bandwidth and consequently high data rate for wireless communications. For both uni- and dual-polarized systems,…”
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Terahertz Hollow Core Antiresonant Fiber with Metamaterial Cladding by Sultana, Jakeya, Islam, Md. Saiful, Cordeiro, Cristiano M. B., Dinovitser, Alex, Kaushik, Mayank, W.-H. Ng, Brian, Abbott, Derek

“…A hollow core antiresonant photonic crystal fiber (HC-ARPCF) with metal inclusions is numerically analyzed for transmission of terahertz (THz) waves. The…”
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Two-stage DOA estimation of independent and coherent signals in spatially coloured noise by Wang, Yuexian, Trinkle, Matthew, Ng, Brian W.-H.

“…A novel fourth order cumulant-based matrix reconstruction algorithm is presented for direction of arrival (DOA) estimation when both independent and coherent…”
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Sparsity-Inducing DOA Estimation of Coherent Signals Under the Coexistence of Mutual Coupling and Nonuniform Noise by Wang, Yuexian, Yang, Xin, Xie, Jian, Wang, Ling, Ng, Brian W.-H.

“…The sparse reconstruction techniques can improve the accuracy and resolution of the direction of arrival (DOA) estimation using sensor arrays. However, due to…”
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Single‐Step Tabletop Fabrication for Low‐Attenuation Terahertz Special Optical Fibers by Islam, Md. Saiful, Sultana, Jakeya, Osório, Jonas H., Dinovitser, Alex, Ng, Brian W-H., Benabid, Fetah, Ebendorff-Heidepriem, Heike, Abbott, Derek, Cordeiro, Cristiano M. B.

“…Amid the search for efficient terahertz transmission and gas sensing, all‐polymer terahertz waveguides attract significant interest due to their compactness…”
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Reduction of Scattering Effects in THz-TDS Signals by Kaushik, M., Ng, B. W., Fischer, B. M., Abbott, D.

“…The scattering of terahertz radiation from the granular nature of a sample can potentially distort or obscure its characteristic spectral features. Several…”
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5G Terrestrial Networks: Mobility and Coverage-Solution in Three Dimensions by Lawrence, Nicholas P., Ng, Brian W-H, Hansen, Hedley J., Abbott, Derek

“…The next generation of wireless communications, which is proposed to operate in the mmWave region of the electromagnetic spectrum, offers the potential of…”
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Terahertz Ultrahigh-Q Metasurface Enabled by Out-Of-Plane Asymmetry by Islam, Md. Saiful, H-Ng, Brian. W., Abbott, Derek

“…Owing to strong light confinement ability, the optical resonators are of great interest to the scientific community, however, their optical performances are…”
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Sensing of toxic chemicals using polarized photonic crystal fiber in the terahertz regime by Islam, Md. Saiful, Sultana, Jakeya, Dinovitser, Alex, Ahmed, Kawsar, Ng, Brian W.-H., Abbott, Derek

“…Cyanide (CN) is a highly toxic chemical agent that is considered extremely harmful to humans. Considering the level of toxicity and harmfulness to human it is…”
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A novel Zeonex based oligoporous-core photonic crystal fiber for polarization preserving terahertz applications by Islam, Md. Saiful, Sultana, Jakeya, Dinovitser, Alex, Ng, Brian W.-H., Abbott, Derek

“…A novel waveguide consisting of oligo-porous core photonic crystal fiber (PCF) with a kagome lattice cladding has been designed for highly birefringent and…”
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Bi-orthogonal rational discrete wavelet transform with multiple regularity orders and application experiments by Tran Nguyen Nguyen, Si, Ng, Brian W.-H.

“…This paper proposes an approach for designing a general two-band, FIR, critically sampled, rational rate filter bank (RFB) with perfect reconstruction (PR) and…”
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Efficient DOA estimation of noncircular signals in the presence of multipath propagation by Wang, Yuexian, Trinkle, Matthew, Ng, Brian W.-H.

“…•Classify of noncircular signal types by orthogonality between subspaces in conjunction with 1-D search method.•The uncorrelated noncircular components are…”
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