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A radio antenna is primarily designed to convert electromagnetic waves into electrical current and vice versa. However, a part of the incident wavefield is scattered due to structural effects andreflection at the antenna's electrical port.…

Applied Physics · Physics 2026-05-21 Julien de Rosny , Youssef Rammal , Ismaïl Ahmed Bouha , François Sarrazin

This is Part I of a two-part paper series that studies the use of the proportional fairness (PF) utility function as the basis for capacity allocation and scheduling in multi-channel multi-rate wireless networks. The contributions of Part I…

Networking and Internet Architecture · Computer Science 2008-02-22 Soung Chang Liew , Ying Jun Zhang

Correlated-noise mechanisms are among the most promising approaches for improving the utility of differentially private model training, but rigorous guarantees require explicit, analyzable factorizations, and practical deployment requires…

Machine Learning · Computer Science 2026-05-19 Nikita P. Kalinin , Aki Rehn , Joel Daniel Andersson , Antti Honkela , Christoph H. Lampert

Advances in machine learning technologies have led to increasingly powerful models in particular in the context of big data. Yet, many application scenarios demand for robustly interpretable models rather than optimum model accuracy; as an…

Machine Learning · Computer Science 2020-05-07 Lukas Pfannschmidt , Jonathan Jakob , Fabian Hinder , Michael Biehl , Peter Tino , Barbara Hammer

A common situation in experimental physics is to have a signal which can not be separated from a non-interfering background through the use of any cut. In this paper, we describe a procedure for determining, on an event-by-event basis, a…

Nuclear Experiment · Physics 2009-10-20 M. Williams , M. Bellis , C. A. Meyer

We provide a rigorous study on dimensions of fractal interpolation function defined on a closed and bounded interval of $\mathbb{R}$ which is associated to a continuous function with respect to a base function, scaling functions and a…

Dynamical Systems · Mathematics 2020-12-01 S. Verma , S. Jha

This study investigates the use of fractional order differential models to simulate the dynamic response of non-homogeneous discrete systems and to achieve efficient and accurate model order reduction. The traditional integer order approach…

Numerical Analysis · Mathematics 2016-12-22 John P. Hollkamp , Mihir Sen , Fabio Semperlotti

Materials combining both a high refractive index and a wide band gap are of great interest for optoelectronic and sensor applications. However, these two properties are typically described by an inverse correlation with high refractive…

Manufacturing variation in the micro fabrication process inevitably alters the size of the designed structure and thereafter influences the performance of devices to some extent. A good knowledge of this effect will help the design and…

Mesoscale and Nanoscale Physics · Physics 2010-08-06 Xueyong Wei , Nor Hayati Saad , Mike Ward

This industry-oriented paper originates from the observation that current frequency quality metrics utilized by transmission system operators (TSOs) fail to fully capture the dynamic behavior of the grid frequency. Motivated by this gap,…

Systems and Control · Electrical Eng. & Systems 2026-05-29 Taulant Kerci , Federico Milano

The theoretical K factor, describing the difference between the leading and higher order cross sections, has no precise definition. The definition is sensitive to the order of the fit to the parton densities and the number of loops at which…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. Vogt

We report on theoretical investigations of frequency dependent quantum capacitance. It is found that at finite frequency a quantum capacitor can be characterized by a classical RLC circuit with three parameters: a static electrochemical…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. Wang , B. G. Wang , H. Guo

It is shown that the single-step periodic signal (periodic telegraph signal) can not produce coherent stochastic resonance for diffusion on a segment with one absorbing and one reflecting end points while the multi-step periodic signal…

Statistical Mechanics · Physics 2007-05-23 Asish K. Dhara , Tapan Mukhopadhya

The paper is devoted to the analysis of problems appearing in optimisation and improvement of the power-bandwidth efficiency of digital communication feedback systems (FCS). There is shown that unlike digital systems, adaptive FCS with the…

Information Theory · Computer Science 2011-02-25 Anatoliy Platonov

Interval approaches for the reachability analysis of initial value problems for sets of classical ordinary differential equations have been investigated and implemented by many researchers during the last decades. However, there exist…

Systems and Control · Electrical Eng. & Systems 2021-01-15 Andreas Rauh , Julia Kersten

We show analytically that the quality ($Q$) factor of magnetic and electric Mie modes in a lossless dielectric spherical resonator with high refractive index ($n \gg 1$) scales as $n^{2j+1}$ and $n^{2j+3}$ respectively, where $j$ denotes…

Optics · Physics 2025-02-14 Xavier Zambrana-Puyalto , Søren Raza

We study properties and applications of various circuit imbalance measures associated with linear spaces. These measures describe possible ratios between nonzero entries of support-minimal nonzero vectors of the space. The fractional…

Combinatorics · Mathematics 2021-12-15 Farbod Ekbatani , Bento Natura , László A. Végh

We consider one-dimensional chain of coupled linear and nonlinear oscillators with long-range power wise interaction defined by a term proportional to 1/|n-m|^{\alpha+1}. Continuous medium equation for this system can be obtained in the…

Chaotic Dynamics · Physics 2014-03-31 Vasily E. Tarasov , George M. Zaslavsky

Plasmonic nanostructures with singular geometries can exhibit a broadband scattering response that at first glance appears to violate the lower bounds for the radiation quality (Q) factor of small radiators, known as the Chu limit. Here we…

Optics · Physics 2021-07-23 Mariano Pascale , Sander A. Mann , Carlo Forestiere , Andrea Alù

In the universal quest to optimize machine-learning classifiers, three factors -- model architecture, dataset size, and class balance -- have been shown to influence test-time performance but do not fully account for it. Previously,…

Machine Learning · Computer Science 2025-06-05 Josiah Couch , Miao Li , Rima Arnaout , Ramy Arnaout
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