Results 41 to 50 of about 3,545,130 (223)

Regular perturbation on the group-velocity dispersion parameter for nonlinear fibre-optical communications

open access: yesNature Communications, 2020
Nonlinear effects have been studied in optical fiber communications channels under various specified parameter regimes. Here, the authors develop an approximate model via perturbation that is more accurate for the highly nonlinear regime.
Vinícius Oliari   +2 more
doaj   +1 more source

Frame Theory for Signal Processing in Psychoacoustics

open access: yes, 2016
This review chapter aims to strengthen the link between frame theory and signal processing tasks in psychoacoustics. On the one side, the basic concepts of frame theory are presented and some proofs are provided to explain those concepts in some detail ...
A. Bregman   +74 more
core   +1 more source

Test-Time Adaptation for Speech Enhancement via Domain Invariant Embedding Transformation

open access: yesIEEE Open Journal of Signal Processing
Deep learning-based speech enhancement models achieve remarkable performance when test distributions match training conditions, but often degrade when deployed in unpredictable real-world environments with domain shifts.
Tobias Raichle, Niels Edinger, Bin Yang
doaj   +1 more source

Algebraic Signal Processing Theory: 1-D Space

open access: yesIEEE Transactions on Signal Processing, 2008
In our paper titled ldquoalgebraic signal processing theory: foundation and 1-D Timerdquo appearing in this issue of the IEEE Transactions on Signal Processing, we presented the algebraic signal processing theory, an axiomatic and general framework for ...
Markus Püschel, José M. F. Moura
semanticscholar   +1 more source

Optimization of array geometry for direction-of-arrival estimation using a priori information [PDF]

open access: yesAdvances in Radio Science, 2010
This paper focuses on the estimation of the direction-of-arrival (DOA) of signals impinging on a sensor array. A novel method of array geometry optimization is presented that improves the DOA estimation performance compared to the standard uniform linear
O. Lange, B. Yang
doaj   +1 more source

Signal Processing in Large Systems: a New Paradigm

open access: yes, 2012
For a long time, detection and parameter estimation methods for signal processing have relied on asymptotic statistics as the number $n$ of observations of a population grows large comparatively to the population size $N$, i.e. $n/N\to \infty$.
Couillet, Romain, Debbah, Merouane
core   +3 more sources

A framework for invertible, real-time constant-Q transforms

open access: yes, 2012
Audio signal processing frequently requires time-frequency representations and in many applications, a non-linear spacing of frequency-bands is preferable.
Dörfler, Monika   +3 more
core   +1 more source

Signal Processing Applications Of Free Probability Theory

open access: yes, 2007
Publication in the conference proceedings of EUSIPCO, Poznan, Poland ...
Ryan, Øyvind, Debbah, Merouane
openaire   +2 more sources

Image Preprocessing for Outdoor Luminescence Inspection of Large Photovoltaic Parks

open access: yesEnergies, 2021
Electroluminescence (EL) measurements allow one to detect damages and/or defective parts in photovoltaic systems. In principle, it seems possible to predict the complete current/voltage curve from such pictures even automatically. However, such a precise
Pascal Kölblin   +2 more
doaj   +1 more source

Automatization techniques for processing biomedical signals using machine learning methods [PDF]

open access: yes, 2008
The Signal Processing Group (Department of Signal Theory and Communications, University Carlos III, Madrid, Spain) offers the expertise of its members in the automatic processing of biomedical signals.
Artés Rodríguez, Antonio
core   +1 more source

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