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Akademický článek

A Simple Nonlinear Companding Transfrom for Nonlinear Compensation of Direct-Detection Optical OFDM Systems

Publikováno v: International Journal of Electronics and Telecommunications, Vol vol. 66, Iss No 3, Pp 515-520 (2020)

In direct-detection OFDM systems, the nonlinear effects caused by optical modulation and fiber transmission can degrade the system performance severely. In this study, we propose a new nonlinear companding transform to improve the performance of dire

Externí odkaz: https://doaj.org/article/5eb47ff5f08741b6b14872736514b4d3

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Study of cognitive component of auditory attention to natural speech events

Autor: Nguyen, Nhan D. T., Mikkelsen, Kaare, Kidmose, Preben

Event-related potentials (ERP) have been used to address a wide range of research questions in neuroscience and cognitive psychology including selective auditory attention. The recent progress in auditory attention decoding (AAD) methods is based on

Externí odkaz: http://arxiv.org/abs/2312.10543

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Real roots of random polynomials: asymptotics of the variance

Autor: Do, Yen Q., Nguyen, Nhan D. V.

We compute the precise leading asymptotics of the variance of the number of real roots for a large class of random polynomials, where the random coefficients have polynomial growth. Our results apply to many classical ensembles, including the Kac pol

Externí odkaz: http://arxiv.org/abs/2303.05478

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SBcoyote: An Extensible Python-Based Reaction Editor and Viewer

Autor: Xu, Jin, Geng, Gary, Nguyen, Nhan D., Perena-Cortes, Carmen, Samuels, Claire, Sauro, Herbert M.

SBcoyote is an open-source cross-platform biochemical reaction viewer and editor released under the liberal MIT license. It is written in Python and uses wxPython to implement the GUI and the drawing canvas. It supports the visualization and editing

Externí odkaz: http://arxiv.org/abs/2302.09151

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The number of real zeros of elliptic polynomials

Autor: Nguyen, Nhan D. V.

Publikováno v: Electron. J. Probab. 29 (2024), 1-49

Let $N_n(a, b)$ denote the number of real zeros of Gaussian elliptic polynomials of degree $n$ on the interval $(a, b)$, where $a$ and $b$ may vary with $n$. We obtain a precise formula for the variance of $N_n(a, b)$ and utilize this expression to d

Externí odkaz: http://arxiv.org/abs/2111.10875

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