Emulating an anechoic environment in a wave-diffusive medium through an extended time-reversal approach
A Cozza - IEEE Transactions on Antennas and Propagation, 2012 - ieeexplore.ieee.org
A generalized time-reversal (TR) technique for the generation of coherent wavefronts within
complex media is presented in this paper. Although completely general, this method is …
complex media is presented in this paper. Although completely general, this method is …
Steering focusing waves in a reverberation chamber with generalized time reversal
A Cozza, F Monsef - IEEE Transactions on Antennas and …, 2016 - ieeexplore.ieee.org
Generalized time reversal was introduced in a previous paper from a theoretical point of
view. In this paper, experiments are conducted to demonstrate its application to a …
view. In this paper, experiments are conducted to demonstrate its application to a …
Precise transient electric field shaping with prescribed amplitude pattern by discrete time reversal
B Li, D Zhao, S Liu, BJ Hu, Y Huang - IEEE Access, 2019 - ieeexplore.ieee.org
Generation of arbitrarily shaped transient electric fields in a prescribed bounded region,
especially with high precision and low sidelobes, is a challenging fundamental issue with …
especially with high precision and low sidelobes, is a challenging fundamental issue with …
Multiple-source time-reversal transmissions in random media
A Cozza, F Monsef - IEEE transactions on antennas and …, 2014 - ieeexplore.ieee.org
The ability of time-reversed signals in reproducing a given time-dependence of the
electromagnetic field within random media is investigated. A general setup consisting of …
electromagnetic field within random media is investigated. A general setup consisting of …
Linear and Nonlinear Numerical Methods for Real-World Inverse Problems of Time-Domain Electromagnetic Active Shaping-From Theory to Experiment
A Al Ibrahim - 2021 - theses.hal.science
In this work, we solve time-domain effective inverse problems to shape the electromagnetic
fields in linear and nonlinear media. Electromagnetic active shaping is essential for …
fields in linear and nonlinear media. Electromagnetic active shaping is essential for …
Focus movement control for time reversal focusing microwaves
D Zhao, H Sun, BZ Wang - 2016 IEEE International Conference …, 2016 - ieeexplore.ieee.org
In this paper, we propose a method to control the focus movement of time reversal (TR)
focusing waves. The focus movement is realized by proper design of the temporal excitation …
focusing waves. The focus movement is realized by proper design of the temporal excitation …
Sensing coupling paths in an equipment
A Cozza, C Galle, JP Brasile… - 2012 Asia-Pacific …, 2012 - ieeexplore.ieee.org
We present experimental results proving that a Time-Reversal Electromagnetic Chamber
allows studying the susceptibility of a device to external radiated interference. The technique …
allows studying the susceptibility of a device to external radiated interference. The technique …
Time reversal with absorbing antennas in a mode-stirred reveberation chamber
We demonstrate analytically that a single matched antenna absorbs 100% of the
electromagnetic energy in a perfect time-reversal (TR) experiment. In contrast to TR with …
electromagnetic energy in a perfect time-reversal (TR) experiment. In contrast to TR with …
[PDF][PDF] Titre (français): Créer de l'ordre dans un milieu aléatoire: le retournement temporel généralisé et ses applications potentielles Title (English): Creating order out …
A Cozza, F Monsef - ursi-france.org
Résumé La contraposition actuelle entre moyens d'essai de type anéchoïques et
réverbérants est remise en question par l'introduction récente d'un nouveau moyen d'essai …
réverbérants est remise en question par l'introduction récente d'un nouveau moyen d'essai …
Numerical analysis of pulsed local plane-wave generation in a TREC
The feasibility of generating arbitrary wavefronts within a time-reversal electromagnetic
chamber (TREC) has been demonstrated both theoretically and experimentally. Though …
chamber (TREC) has been demonstrated both theoretically and experimentally. Though …