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distorsion de non-linéarité

non-linearity distortion

communication / électronique et électrotechnique - iate.europa.eu

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Computational algorithm for estimating the gradient isocenter of an mri scannerAbstract — The isocenter of the magnetic gradient fields inside a magnetic resonance imaging scanner is an important parameter in gradient non-linearity distortion correction methods for MR images....

général - core.ac.uk - PDF: citeseerx.ist.psu.edu

distorsion de non-linéarité

nonlinear distortion

électronique et électrotechnique - iate.europa.eu

L'invention concerne un modulateur en quadrature qui compense une distorsion de non-linéarité correspondant à une caractéristique non linéaire variant dans le temps, et élimine correctement du signal de transmission ladite distorsion de non-linéarité.

A quadrature modulator that compensates for nonlinear distortion corresponding to time-varying nonlinear characteristic and removes nonlinear distortion suitably from the transmission signal.

électronique et électrotechnique - wipo.int

La distorsion de non-linéarité est ainsi éliminée des signaux de transmission par détermination dynamique d'un modèle d'enveloppe changeant constamment, et par distorsion de signaux sur la base du modèle d'enveloppe déterminé.

In this manner, nonlinear distortion is removed from transmission signals by dynamically determining a constantly changing envelope model and distorting signals based on the determined envelope model.

électronique et électrotechnique - wipo.int

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A new structure proposal for a power switching amplifier... Suitable design provides good dynamic response to low and high frequency input reference signals, without nonlinear distortion and no cross over....

électronique et électrotechnique / communication / moyen de production agricole - core.ac.uk - PDF: citeseerx.ist.psu.edu

distorsion de non-linéarité

non-linear distortion

électronique et électrotechnique - iate.europa.eu

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Perception of nonlinear distortion on emulation of frequency responses of headphones[EN] The equalization of headphones can force transducers to work in a non-linear condition, producing non-linear distortion....

général - core.ac.uk - PDF: riunet.upv.es

Mitigation of non-linear distortion using pts and idar method for multi-level... However, the proposed method could not mitigate the non-linear distortion sufficiently when modulation level becomes higher such as 64QAM....

PDF: www.ecti-thailand.org

Non-linear distortion of digital sinewave generator with step and step-linear approximation... Non-linear distortion of digital sinewave with step and step-linear approximation is analyzed....

PDF: citeseerx.ist.psu.edu

Non-linear distortion and ofdm bit error rateNon-linear distortion of OFDM signals can significantly increase the receiver BER....

PDF: citeseerx.ist.psu.edu

Publications scientifiques

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Ml detection with symbol estimation for nonlinear distortion of ofdm signalsIn this paper, a new technique of signal detection has been proposed for detecting the orthogonal frequencydivision multiplexing (OFDM) signals in the presence of nonlinear distortion....

général - core.ac.uk - PDF: citeseerx.ist.psu.edu

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1iterative detection of multicode ds-cdma signals with strong nonlinear distortion effects... However, the performance degradation due to nonlinear distortion effects on the transmitted signals can be relatively high, especially when a very low PMEPR is intended (e.g.,...

général - core.ac.uk - PDF: sapientia.ualg.pt

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Sensitivity of harmonic injection and its spatial evolution for nonlinear distortion suppression in a twtThis paper presents an experimental investigation of the spatial evolution and sensitivity of third-order nonlinear distortion suppression obtained by harmonic injection in a Traveling Wave Tube to fundamental frequency shifts as well as injected second-harmonic amplitude and phase...

général - core.ac.uk - PDF: www.cs.cmu.edu

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New trends in modeling and identification of loudspeaker with nonlinear distortionAbstract — This paper provides recent developments in modeling and identification of nonlinear systems pertinent to loudspeaker with nonlinear distortion effect....

général - core.ac.uk - PDF: citeseerx.ist.psu.edu