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Régis Guinvarc'h

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Grad-SLAM: Explaining Convolutional Autoencoders’ Latent Space of Satellite Image Time Series

Thomas Di Martino , Régis Guinvarc’h , Laetitia Thirion-Lefevre , Élise Colin
IEEE Geoscience and Remote Sensing Letters, 2023, 20, ⟨10.1109/LGRS.2023.3302906⟩
Journal articles hal-04215828v1

A Numerically Efficient Method for Predicting the Scattering Characteristics of Complex Moving Targets

Dihia Sidi Ahmed , Paola Russo , Graziano Cerri , Laetitia Thirion Lefevre , Regis Guinvarc'H
IEEE Transactions on Antennas and Propagation, 2023, 71 (1), pp.910-920. ⟨10.1109/TAP.2022.3221645⟩
Journal articles hal-04463887v1
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Detection of Forest Fires through Deep Unsupervised Learning Modeling of Sentinel-1 Time Series

Thomas Di Martino , Bertrand Le Saux , Régis Guinvarc’h , Laetitia Thirion-Lefevre , Elise Colin
ISPRS International Journal of Geo-Information, 2023, 12 (8), pp.332. ⟨10.3390/ijgi12080332⟩
Journal articles hal-04215824v1
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FARMSAR: Fixing AgRicultural Mislabels Using Sentinel-1 Time Series and AutoencodeRs

Thomas Di Martino , Régis Guinvarc’h , Laetitia Thirion-Lefevre , Elise Colin
Remote Sensing, 2022, 15 (1), pp.35. ⟨10.3390/rs15010035⟩
Journal articles hal-03944485v1
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Beets or Cotton? Blind Extraction of Fine Agricultural Classes Using a Convolutional Autoencoder Applied to Temporal SAR Signatures

Thomas Di Martino , Regis Guinvarc'H , Laetitia Thirion-Lefevre , Elise Colin Koeniguer
IEEE Transactions on Geoscience and Remote Sensing, 2021, 60, pp.1-18. ⟨10.1109/TGRS.2021.3100637⟩
Journal articles hal-03534633v1
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Detecting Ephemeral Objects in SAR Time-Series Using Frozen Background-Based Change Detection

Thibault Taillade , Laetitia Thirion-Lefevre , Régis Guinvarc'H
Remote Sensing, 2020, 12 (11), pp.1720. ⟨10.3390/rs12111720⟩
Journal articles hal-03153901v1
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The Combined Effect of Orientation Angle and Material on PolSAR Images of Urban Areas

Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
Remote Sensing, 2020, 12 (10), pp.1632. ⟨10.3390/rs12101632⟩
Journal articles hal-02903123v1
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DESIGN AND EXPERIMENTAL VALIDATION OF MULTIFUNCTION ANTENNA WITH DIRECT MODULATION FOR RADAR AND COMMUNICATION

Samir Ouedraogo , Israel David Hinostroza Saenz , Régis Guinvarc'H , Raphaël Gillard
Progress In Electromagnetics Research, 2019, 164, pp.17-25. ⟨10.2528/PIER18061804⟩
Journal articles hal-02124595v1

The double Brewster angle effect

Laetitia Thirion-Lefèvre , Régis Guinvarc'H
Comptes Rendus. Physique, 2018, 19 (1-2), pp.43-53. ⟨10.1016/j.crhy.2018.02.003⟩
Journal articles hal-02124548v1

Analytical Solution for Permittivities of a Dihedral Configuration

Orian Couderc , Laetitia Thirion-Lefèvre , Regis Guinvarcrh
IEEE Antennas and Wireless Propagation Letters, 2018, 17 (3), pp.485-488. ⟨10.1109/LAWP.2018.2796842⟩
Journal articles hal-02124542v1

Cross-Polarization Amplitudes of Obliquely Orientated Buildings With Application to Urban Areas

R. Guinvarc'H , L. Thirion-Lefevre
IEEE Geoscience and Remote Sensing Letters, 2017, 14 (11), pp.1913 - 1917. ⟨10.1109/LGRS.2017.2731122⟩
Journal articles hal-01692798v1
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A compact dual polarized 3:1 bandwidth omnidirectional array of spiral antennas

Regis Guinvarc'H , Mohammed Serhir , Fabrice Boust
IEEE Antennas and Wireless Propagation Letters, 2016, 15, pp.1909 - 1912. ⟨10.1109/LAWP.2016.2542982⟩
Journal articles hal-01309233v1

A 6:1 Bandwidth, Low-Profile, Dual-Polarized Ring Array of Spiral Antennas with Connecting Arms

Israel Hinostroza , Régis Guinvarc'H , Randy L. Haupt , Karim Louertani
IEEE Transactions on Antennas and Propagation, 2016, 64 (2), pp.752-756. ⟨10.1109/TAP.2015.2492578⟩
Journal articles hal-01265594v1

Estimating the Bandwidth of Spiral Antenna Arrays

Israel Hinostroza , Regis Guinvarc'H , Randy Haupt
IEEE Antennas and Wireless Propagation Letters, 2015, 15, pp.1337-1340. ⟨10.1109/LAWP.2015.2508060⟩
Journal articles hal-01265598v1

Investigating the Use of Low Frequencies in Urban Areas: Application to NLOS Configurations

Laetitia Thirion-Lefevre , Regis Guinvarch
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015, 8 (7), pp 3720-3729. ⟨10.1109/JSTARS.2015.2441293⟩
Journal articles hal-01265646v1

Enhanced dual-circular polarised four-arm Archimedean spiral antenna with low-profile cavity backing

Ray Hongzhao , Mohammed Serhir , Régis Guinvarc'H , Koen Mouthaan
IET Microwaves Antennas and Propagation, 2015, 9 (12), pp.1260-1266. ⟨10.1049/iet-map.2015.0099⟩
Journal articles hal-01242886v1

A Dual-Polarized Wideband Planar Phased Array With Spiral Antennas

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt , Karim Louertani
IEEE Transactions on Antennas and Propagation, 2014, 62 (9), pp.4547-4553. ⟨10.1109/TAP.2014.2331988⟩
Journal articles hal-01103977v1

Optimization of Sparse Time-Modulated Array by Genetic Algorithm for Radar Applications

Jérome Euziere , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
IEEE Antennas and Wireless Propagation Letters, 2014, 13, pp.Pages 161-164. ⟨10.1109/LAWP.2014.2299285⟩
Journal articles hal-01103457v1
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A Low-Profile Cavity-Backed Dual-Polarized Spiral Antenna Array

Mohammed Serhir , Régis Guinvarc'H
IEEE Antennas and Wireless Propagation Letters, 2013, 12, pp.524 - 527. ⟨10.1109/LAWP.2013.2257654⟩
Journal articles hal-00834773v1

Sea-echo doppler spectrum perturbation of the received signals from a floating high-frequency surface wave radar

Jacques El Khoury , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
IET Radar Sonar and Navigation, 2012, 6 (3), pp.165-171. ⟨10.1049/iet-rsn.2011.0173⟩
Journal articles hal-00684266v1
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Multiarms Multiports Externally Fed Spiral Antenna

Karim Louertani , Régis Guinvarc'H , Nicolas Ribière-Tharaud , Marc Hélier
IEEE Antennas and Wireless Propagation Letters, 2012, 11, pp.236-239. ⟨10.1109/LAWP.2012.2188372⟩
Journal articles hal-00693316v1

180° and 90° reflection-Type Phase Shifters using Over-Coupled Lange Couplers

Hongzhao Fang , Xinyi Tang , Koenraad Mouthaan , Régis Guinvarc'H
IEEE Transactions on Microwave Theory and Techniques, 2012, 60 (11), pp.3440-3448. ⟨10.1109/TMTT.2012.2216892⟩
Journal articles hal-00782313v1

Improving the azimuthal resolution of High Frequency Surface Wave Radars with a multiplicative beamforming

Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen , Jacques El Khoury
IEEE Geoscience and Remote Sensing Letters, 2012, 9 (5), pp.925-927. ⟨10.1109/LGRS.2012.2186117⟩
Journal articles hal-00771923v1

Connecting spirals for wideband dual polarization phased array

Régis Guinvarc'H , Randy L. Haupt
IEEE Transactions on Antennas and Propagation, 2011, 59 (12), pp.4534-4541. ⟨10.1109/TAP.2011.2165464⟩
Journal articles hal-00659413v1
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Study of the radiated polarization of an antenna array with circular geometry

Karim Louertani , Régis Guinvarc'H , Nicolas Ribière-Tharaud , Marc Hélier
Progress In Electromagnetics Research C, 2011, 24, pp.173-183. ⟨10.2528/PIERC11061706⟩
Journal articles hal-00629215v1

Dual Polarization Interleaved Spiral Antenna Phased Array With an Octave Bandwidth

Régis Guinvarc'H , Randy L. Haupt
IEEE Transactions on Antennas and Propagation, 2010, 58 (2), pp.397-403. ⟨10.1109/TAP.2009.2037767⟩
Journal articles hal-00556621v1

High-frequency surface wave radar based on a sea floating antenna concept

Anthony Bourges , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
IET Microwaves Antennas and Propagation, 2009, 3 (8), pp.1237-1244. ⟨10.1049/iet-map.2008.0214⟩
Journal articles hal-00447873v1

Approximated method neglecting coupling for conformal antenna

François Chauvet , Régis Guinvarc'H , Marc Hélier
Applied Computational Electromagnetics Society Journal, 2007, 22 (1), pp.105-111
Journal articles hal-00272113v1

On the use of HF surface wave radar in congested waters: influence of masking effects on detection of small ships

Régis Guinvarc'H , Marc Lesturgie , Rémy Durand , Anil Cheraly
IEEE Journal of Oceanic Engineering, 2006, 31 (4), pp.894-903. ⟨10.1109/JOE.2006.886227⟩
Journal articles hal-00272152v1
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Neural network scoring for efficient computing

Hugo Waltsburger , Erwan Libessart , Chengfang Ren , Anthony Kolar , Régis Guinvarc'H
56th International Symposium on Circuits and Systems (ISCAS), 2023, IEEE; IEEE CAS Society, May 2023, Monterey, California, USA, United States. pp.1-5, ⟨10.1109/ISCAS46773.2023.10181766⟩
Conference papers hal-04151361v1
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Temporal Stack Speckle and Target Filtering for Environmental Applications

Florent Michenot , Régis Guinvarc'H , Laetitia Thirion-Lefevre
IGARSS 2022, Jul 2022, Kuala Lumpur, Malaysia. ⟨10.1109/IGARSS46834.2022.9884100⟩
Conference papers hal-03771853v1
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Characterization and Extraction of Roads Using Polarimetry Methods in L-Band SAR Images

Paillou Nathan , Laetitia Thirion-Lefevre , Regis Guinvarc'H
IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium, Jul 2021, Brussels, France. pp.327-330, ⟨10.1109/IGARSS47720.2021.9553904⟩
Conference papers hal-03616696v1
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Use of Sentinel-1 Time-Series for Archaeological Structures Detection

Florent Michenot , Giovanni Manfredi , Régis Guinvarc'H , Laetitia Thirion-Lefevre
IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium, Jul 2021, Brussels, Belgium. pp.5183-5186, ⟨10.1109/IGARSS47720.2021.9555144⟩
Conference papers hal-03616691v1
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A Multifunction Antenna: Radar and QPSK Comms

Samir Ouedraogo , Israël Hinostroza , Raphaël Gillard , Régis Guinvarc
2021 IEEE International Conference on Antenna Measurements and Applications, Nov 2021, Antibes Juan-les-Pins, France. ⟨10.1109/CAMA49227.2021.9703513⟩
Conference papers hal-03498287v1
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Double bounce mechanism and deterministic targets in SAR remote sensing

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Elise Colin-Koeniguer
EUSAR 2021, Mar 2021, VIRTUEL, Germany
Conference papers hal-03244900v1
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Deep Temporal Convolutional Autoencoder for Unsupervised Representation Learning of Incoherent Polsar Time-Series

Thomas Di Martino , Regis Guinvarc'H , Laetitia Thirion-Lefevre , Elise Koeniguer
IGARSS 2021, Jul 2021, Bruxelles (virtual), Belgium
Conference papers hal-03345533v1

Monostatic Radar Cross Section Simulation of Small Unmanned Aerial Vehicles in UHF band

Dihia Sidi Ahmed , Laetitia Thirion-Lefèvre , Regis Guinvarch , Israël Hinostroza , Giovanni Manfredi
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Jul 2020, Montréal, Canada
Conference papers hal-03130200v1
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Reconfigurable 4-Arm Spiral Antenna for Dual Polarization

Israël Hinostroza , Régis Guinvarc' , Randy L Haupt
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Jul 2020, Quebec, Canada. ⟨10.1109/IEEECONF35879.2020.9329949⟩
Conference papers hal-03194789v1
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Interest of Temporal Methods over Spatial Methods in Order to Detect Small Targets

Paillou Nathan , Laetitia Thirion-Lefevre , Regis Guinvarc'H
IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, Sep 2020, Waikoloa, France. pp.1767-1769, ⟨10.1109/IGARSS39084.2020.9324539⟩
Conference papers hal-03616697v1

Benefit of Xpol for Urban Classification Using SAR Images

R. Guinvarc'H , L. Thirion-Lefevre , D. Atwood
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Jul 2019, Yokohama, Japan. pp.983-985, ⟨10.1109/IGARSS.2019.8898777⟩
Conference papers hal-02492671v1

Comparative Analysis of the Relative Polarimetric Radar Signature of Vegetation and Cities Districts

L. Thirion-Lefevre , R. Guinvarc'H , Elise Colin-Koeniguer
International Geoscience and Remote Sensing Symposium, Jul 2019, YOKOHAMA, Japan. pp.5221-5223, ⟨10.1109/IGARSS.2019.8899829⟩
Conference papers hal-02492698v1

The Double Brewster Angle Effect and the Radar Polarimetric Responses of Forests

Laetitia Thirion-Lefevre , Régis Guinvarc'H
ESA LPS, 2019, Milan, Italy
Conference papers hal-02492678v1

L-band Polarimetric Change Detection on Sar Images : Fire Burn Scars in California

Thibault Taillade , Laetitia Thirion-Lefevre , Régis Guinvarc'H
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Jul 2019, Yokohama, Japan. pp.9956-9959, ⟨10.1109/IGARSS.2019.8900081⟩
Conference papers hal-02492666v1

Using a Single SAR Image at P Band for Deforestation Detection in Tropical Forest

Régis Guinvarc'H , Laetitia Thirion-Lefevre
ESA LPS, 2019, Milan, Italy
Conference papers hal-02492680v1
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Time Modulated Array -A Database Approach

Jérome Euziere , Régis Guinvarc'H , Israel Hinostroza Sáenz , Raphaël Gillard , Bernard Uguen
EuSIPCO, Sep 2019, La Corogne, Spain. ⟨10.23919/EUSIPCO.2019.8902834⟩
Conference papers hal-02433202v1

The essential contribution of HV to radar remote sensing

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Elise Colin Koeniguer
ASC/CSA Advanced SAR workshop, 2019, Saint-Hubert, Canada
Conference papers hal-02492699v1

A new framework for polarimetric change detection in time series SAR images: the empty scene

Thibault Taillade , Régis Guinvarc'H , Laetitia Thirion-Lefevre
ASC/CSA Advanced SAR workshop, 2019, Saint-Hubert, Canada
Conference papers hal-02492675v1
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Distributing deep neural networks for maximising computing capabilities and power efficiency in swarm

Victor Gacoin , Anthony Kolar , Chengfang Ren , Régis Guinvarc'H
2019 IEEE International Symposium on Circuits and Systems (ISCAS), May 2019, Sapporo, Japan. ⟨10.1109/ISCAS.2019.8702672⟩
Conference papers hal-02434837v1

Concentric ring array of connecting spirals with interleaved WAVES

Pedro Mendes Ruiz , Israël Hinostroza , Régis Guinvarc'H , Randy Haupt
2018 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Jan 2018, Boulder, United States
Conference papers hal-02414057v1

Antenna Pattern Effects in a Low Sidelobe Circularly Polarized Planar Array Due to Element Errors

Pedro Mendes Ruiz , Randy Haupt , Israel David Hinostroza Saenz , Regis Guinvarcrh
2018 International Conference on Electromagnetics in Advanced Applications (ICEAA), Sep 2018, Cartagena des Indias, France. pp.103-105, ⟨10.1109/iceaa.2018.8520483⟩
Conference papers hal-02124608v1

Moisture Retrieval Using Monostatic Radar Double Bounce

Orian Couderc , Laetitia Thirion-Lefèvre , Regis Guinvarch
IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, Jul 2018, Valencia, Spain. pp.9098-9101, ⟨10.1109/igarss.2018.8518702⟩
Conference papers hal-02124501v1
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Resonances in Receiving Two-Arm Spiral Antennas

Naga Devarapalli , Israel Hinostroza , Regis Guinvarcrh , Randy Haupt
2018 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), Sep 2018, Cartagena des Indias, Colombia. ⟨10.1109/apwc.2018.8503796⟩
Conference papers hal-02124613v1

Antenne Multifonction à Modulation Directe et Agilité de Faisceau

Samir Ouedraogo , Israel Hinostroza , Régis Guinvarc'H , Raphaël Gillard
JNM2017, May 2017, Saint Malo, France
Conference papers hal-01723743v1

Genetic algorithm optimization of a dual polarized concentric ring array

Pedro Mendes Ruiz , Israel D. Hinostroza Saenz , Régis Guinvarc'H , Randy L. Haupt
2017 International Applied Computational Electromagnetics Society Symposium - Italy (ACES), Mar 2017, Florence, France. ⟨10.23919/ROPACES.2017.7916409⟩
Conference papers hal-01692600v1

Impact of Rotation on the Polarimetric Signature of the Double Bounces and Alternatives

Laetitia Thirion-Lefevre , Régis Guinvarc'H , D. Atwood
PIERS 2017, Nov 2017, Singapour, Singapore
Conference papers hal-01692813v1

A multifunction antenna with direct modulation and beam agility

S. Ouédraogo , I. Hinostroza , R. Guinvarc'H , R. Gillard
11th European Conference on Antennas and Propagation, EUCAP 2017, Mar 2017, Paris, France. ⟨10.23919/EuCAP.2017.7928176⟩
Conference papers hal-01622471v1

Concentric ring array of connecting spirals with WAVES

Pedro Mendes Ruiz , Israël Hinostroza , Regis Guinvarcah , Randy L. Haupt
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Jul 2017, San Diego, France. ⟨10.1109/APUSNCURSINRSM.2017.8072566⟩
Conference papers hal-01692595v1

Frequency Variation of the polarimetric Scattering Mechanisms of Forests and its Consequences on Interferometric Height

Laetitia Thirion-Lefevre , Régis Guinvarc'H
Earth Observation Summit 2017, Jun 2017, Montreal, Canada
Conference papers hal-01692830v1

Inversion of the Permittivities for a Double Bounce Mechanism

Francois Doyelle , Orian Couderc , Laetitia Thirion-Lefevre , Régis Guinvarc'H
PIERS 2017, Nov 2017, SINGAPOUR, Singapore
Conference papers hal-01692825v1

Is it possible to retrieve the complex permittivities using double bounce?

Orian Couderc , Laetitia Thirion-Lefevre , Régis Guinvarc'H
2016 IEEE International Symposium on Antennas and Propagation (APSURSI 2016), Jun 2016, Puerto Rico, United States. ⟨10.1109/APS.2016.7696703⟩
Conference papers hal-01460031v1

Low frequency bandwidth in connected spiral arrays

Israel D. Hinostroza Saenz , Régis Guinvarc'H , Randy L. Haupt
2016 IEEE International Symposium on Phased Array Systems and Technology (PAST 2016) , Oct 2016, Waltham, United States. ⟨10.1109/ARRAY.2016.7832616⟩
Conference papers hal-01449655v1

Large Bandwidth Analysis in Multifunction Antenna for Radar and Communication Applications

Samir Ouedraogo , Israel D. Hinostroza Saenz , Régis Guinvarc'H , Raphaël Gillard
2016 IEEE International Symposium on Phased Array Systems and Technology (PAST 2016) , Oct 2016, Waltham, United States. ⟨10.1109/ARRAY.2016.7832636⟩
Conference papers hal-01449646v1

Phase error analysis of a dual polarized concentric ring array

Pedro Mendes Ruiz , Israel D. Hinostroza Saenz , Regis Guinvarch , Randy L. Haupt
2016 IEEE International Symposium on Antennas and Propagation (APSURSI 2016), Jun 2016, Puerto Rico, United States. pp.1947-1491 ⟨10.1109/APS.2016.7696167⟩
Conference papers hal-01449627v1

Antenna system for simultaneous radar and communication applications

S. Ouédraogo , I. Hinostroza , R. Guinvarc'H , R. Gillard
10th European Conference on Antennas and Propagation, EuCAP 2016, Apr 2016, Davos, Switzerland. pp.7481490, ⟨10.1109/EuCAP.2016.7481490⟩
Conference papers hal-01368112v1

Optimizing communication in TMA for radar

J. Euziere , R. Guinvarc'H , I. Hinostroza , Bernard Uguen , R. Gillard
2016 IEEE International Symposium on Antennas and Propagation (APSURSI 2016), Jun 2016, Puerto Rico, United States. pp.705--706, ⟨10.1109/APS.2016.7696061⟩
Conference papers hal-01416327v1

The brewster effect on polarimetric information

Laetitia Thirion-Lefèvre , Régis Guinvarc'H
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Jul 2015, Milan, Italy. pp.227-230, ⟨10.1109/IGARSS.2015.7325741⟩
Conference papers hal-02414023v1

Quad-polarized wideband phased array with reduced sidelobes by interstitial-packing

Hongzhao Ray Fang , Ramanan Balakrishnan , Régis Guinvarc'H , Koenraad Mouthaan
The 9th European Conference on Antennas and Propagation (EuCAP 2015), Apr 2015, Lisbonne, Portugal. pp 1-5
Conference papers hal-01266141v1

Time Modulated Array for dual function radar and communication

Jérome Euziere , Régis Guinvarc'H , Israel Hinostroza , Bernard Uguen , Raphaël Gillard
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting , Jul 2015, Vancouver, Canada. pp 806-807, ⟨10.1109/APS.2015.7304790⟩
Conference papers hal-01265684v1

The signature of rotated double bounces in urban areas," in Synthetic Aperture Radar

Régis Guinvarc'H , Laetitia Thirion-Lefevre
2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR 2015) , Sep 2015, Singapour, Singapore. pp 462-465, ⟨10.1109/APSAR.2015.7306249⟩
Conference papers hal-01265675v1

Wideband digital 5-bit phase shifters for wideband phased arrays

Hongzhao Ray Fang , Ramanan Balakrishnan , Koenraad Mouthaan , Régis Guinvarc'H
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting , Jul 2015, Vancouver, Canada. pp 2535-2536, ⟨10.1109/APS.2015.7305656⟩
Conference papers hal-01266149v1

The polarimetric signatures of double bounces in cities and forests. The double Brewster effect.

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Panagiotis Piteros , Marc Lambert
The Advanced SAR workshop, Oct 2015, Quebec, Canada
Conference papers hal-01265743v1

Propagation in urban areas. Orientation, permittivity and entropy

Régis Guinvarc'H , Laetitia Thirion-Lefevre
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2015), Jul 2015, Milan, Italy. pp.1594-1597 ⟨10.1109/IGARSS.2015.7326088⟩
Conference papers hal-01265767v1

Low frequency radar signatures of shadow areas in cities

Laetitia Thirion-Lefevre , Régis Guinvarc'H
2015 Joint Urban Remote Sensing Event (JURSE 2015) , Mar 2015, Lausanne, Switzerland. pp 1-4, ⟨10.1109/JURSE.2015.7120522⟩
Conference papers hal-01265747v1

Comparison of phased array configurations of spiral antennas

Hongzhao Ray Fang , Ramanan Balakrishnan , Régis Guinvarc'H , Koenraad Mouthaan
The 9th European Conference on Antennas and Propagation (EuCAP 2015), Apr 2015, Lisbonne, Portugal. pp 1-5
Conference papers hal-01266154v1

Wideband dual-circular polarized spiral antenna phased array

Hongzhao Ray Fang , Ramanan Balakrishnan , Koenraad Mouthaan , Régis Guinvarc'H
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting , Jul 2015, Vancouver, Canada. pp 21-22, ⟨10.1109/APS.2015.7304396⟩
Conference papers hal-01265797v1

Size constraint in design of concentric ring array

Pedro Mendes Ruiz , Israel Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting , Jul 2015, Vancouver, Canada. pp 2455-2456, ⟨10.1109/APS.2015.7305616⟩
Conference papers hal-01266165v1

Two stacked orthogonally wound spirals with connected arms

Israel Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting , Jul 2015, Vancouver, Canada. pp 1976-1977, ⟨10.1109/APS.2015.7305377⟩
Conference papers hal-01266168v1
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Cognitive radar applied to forest and kriging-based metamodel

Panagiotis Piteros , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lambert
2014 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2014), Jul 2014, Quebec, Canada. 4 p
Conference papers hal-01103273v1

Propagation mechanisms in urban canyons. Distorsions and entropy

Laetitia Thirion-Lefevre , Régis Guinvarc'H , Elise Colin Koeniguer , Azza Mokadem
10th European Conference on Synthetic Aperture Radar (EUSAR 2014), VDE, Jun 2014, Berlin, Germany. pp.1-4
Conference papers hal-01103890v1

PEC cavity for a ring array of spiral antennas

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI 2014), IEEE, Jul 2014, Memphis, United States. pp.939-940, ⟨10.1109/APS.2014.6904798⟩
Conference papers hal-01103943v1

Dual-linear polarized cavity-backed sinuous antenna with non-sequential feeding

Ramanan Balakrishnan , Hongzhao Ray Fang , Israël Hinostroza , Régis Guinvarc'H , Koenraad Mouthaan
8th European Conference on Antennas and Propagation (EuCAP 2014) , IEEE, Apr 2014, The Hague, Netherlands. pp.1199 - 1201, ⟨10.1109/EuCAP.2014.6901988⟩
Conference papers hal-01104550v1

Dual function Radar Communication Time-Modulated Array

Jérome Euziere , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard , Marc Lesturgie
2014 International Radar Conference , SEE, Oct 2014, Lille, France. ⟨10.1109/RADAR.2014.7060416⟩
Conference papers hal-01104787v1

A wideband omnidirectional conformal array for passive radar

Régis Guinvarc'H , Mohammed Serhir , Fabrice Boust , Nicolas Ribiere-Tharaud
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI 2014), IEEE, Jul 2014, Memphis, United States. pp.237-238, ⟨10.1109/APS.2014.6904450⟩
Conference papers hal-01103909v1
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Cognitive kriging metamodels for forest characterization and target detection

Panagiotis Piteros , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lambert
2014 International Radar Conference , Oct 2014, Lille, France. 5 p., ⟨10.1109/RADAR.2014.7060325⟩
Conference papers hal-01103268v1

Dual-circular polarized planar array of connected sinuous antennas

Ramanan Balakrishnan , Koenraad Mouthaan , Israël Hinostroza , Régis Guinvarc'H
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI 2014), Jul 2014, Memphis, United States. pp.Pages 941-942, ⟨10.1109/APS.2014.6904799⟩
Conference papers hal-01103494v1

Radar applications and instantaneous control in time-domain arrays

Jérome Euziere , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI 2014), IEEE, Jul 2014, Memphis, United States. pp.1752-1753, ⟨10.1109/APS.2014.6905202⟩
Conference papers hal-01103742v1

Low profile cavity-backed four-arm Archimedean spiral antenna with 8:1 bandwidth

Hongzhao Ray Fang , Mohammed Serhir , Ramanan Balakrishnan , Régis Guinvarc'H , Koenraad Mouthaan
8th European Conference on Antennas and Propagation (EuCAP 2014) , IEEE, Apr 2014, The Hague, Netherlands. pp.2528 - 2531, ⟨10.1109/EuCAP.2014.6902333⟩
Conference papers hal-01104549v1

Phase Only Synthesis For Time Modulated Array

Jérome Euziere , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
2013 IEEE International Symposium on Phased Array Systems and Technology , Oct 2013, Waltham, United States. ⟨10.1109/ARRAY.2013.6731891⟩
Conference papers hal-00934298v1

Narrow band resonances in planar array of spiral antennas without ground plane

Israel Hinostroza , Régis Guinvarc'H , Randy Haupt
2013 IEEE International Symposium on Phased Array Systems and Technology , Oct 2013, Waltham, United States. ⟨10.1109/ARRAY.2013.6731886⟩
Conference papers hal-00934291v1

Connected Spiral Antennas for Wideband Circularly Polarized Antenna Array, Experimental Investigations

Mohammed Serhir , Régis Guinvarc'H
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Conference papers hal-00933672v1

Time Modulated Array for Radar Applications

Jérome Euziere , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Conference papers hal-00935387v1

Time-Modulated Array for Radar applications

Jérome Euziere , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
2013 International Conference on Electromagnetics in Advanced Applications (ICEAA 2013), Sep 2013, Turin, Italy. pp.138 - 139, ⟨10.1109/ICEAA.2013.6632207⟩
Conference papers hal-00935478v1

Analysing urban areas in the frame of non line of sight target detection. Electromagnetic modelling, validation and application to real data in Ka-band

Azza Mokadem , Laetitia Thirion-Lefevre , Elise Colin Koeniguer , Régis Guinvarc'H
2013 International Conference on Electromagnetics in Advanced Applications (ICEAA 2013), Sep 2013, Turin, Italy. pp.543 - 546, ⟨10.1109/ICEAA.2013.6632297⟩
Conference papers hal-00934302v1
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Connected Spiral Antennas for Wideband Circularly Polarized Antenna Array, Experimental Investigations

Mohammed Serhir , Régis Guinvarc'H
7th European Conference on Antennas and Propagation (EuCAP 2013), Apr 2013, Gothenburg, Sweden. pp.1-4
Conference papers hal-00834795v1

Wideband dual polarized array with spiral antennas

Israël Hinostroza , Régis Guinvarc'H , Randy Haupt , Karim Louertani
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Conference papers hal-00935383v1

Cognitive radar for forest characterization

Panagiotis Piteros , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Marc Lambert
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Conference papers hal-00935427v1

The polarimetric information in urban areas. The specific case of urban canyons

Azza Mokadem , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
ASAR 2013, Oct 2013, Longueil, Canada
Conference papers hal-00935450v1

On the interpretation of anechoic chamber data using FEKO

Azza Mokadem , Laetitia Thirion-Lefèvre , Régis Guinvarc'H , Elise Colin-Koeniguer
3rd SONDRA Workshop, Jun 2013, Hyères - La Londe les Maures, France
Conference papers hal-00935421v1

Schelkunoff Multi Diagrams Receive Arrays

Jérome Euziere , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
IEEE APS Symposium, Jul 2012, Chicago, United States
Conference papers hal-00781207v1

Development of pulsed antennas measurement facility near field antennas measurement in time domain

Mohammed Serhir , Nicolas Ribière-Tharaud , Dominique Picard , François Jouvie , Régis Guinvarc'H
2012 15 International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM 2012), Jun 2012, Toulouse, France. ⟨10.1109/ANTEM.2012.6262395⟩
Conference papers hal-00772476v1
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A cavity-backed dual polarized array of connected spiral antennas

Régis Guinvarc'H , Mohammed Serhir , Nicolas Ribière-Tharaud
2012 IEEE International Symposium on Antennas and Propagation (APSURSI 2012), Jul 2012, Chicago, United States. pp.1-2, ⟨10.1109/APS.2012.6348808⟩
Conference papers hal-00773386v1

A dual polarized planar phased spiral antenna array

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2012 IEEE International Symposium on Antennas and Propagation (APSURSI 2012), Jul 2012, Chicago, United States. pp.1-2, ⟨10.1109/APS.2012.6348807⟩
Conference papers hal-00782318v1

Simulator of High Frequency Surface Wave Radar (HFSWR) With Offshore Receiver

Jacques El Khoury , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
IEEE APS Symposium, Jul 2011, Washington, United States
Conference papers hal-00658006v1

The design of wide band planar arrays of spiral antennas

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2011 IEEE International Symposium on Antennas and Propagation (APSURSI 2011) , Jul 2011, Spokane, United States. 4 p., ⟨10.1109/APS.2011.5996784⟩
Conference papers hal-00659481v1

Technique d'optimisation de réseaux 2D d'antennes spirales

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt
Journées Nationales Microondes 2011, May 2011, Brest, France
Conference papers hal-00659495v1

A dual polarization phased array with connected spirals

Régis Guinvarc'H , Randy L. Haupt
2010 IEEE Antennas and Propagation Society International Symposium (APSURSI 2010), Jul 2010, Toronto, Canada. 4 p., ⟨10.1109/APS.2010.5561247⟩
Conference papers hal-00556625v1

Improving Axial Ratio of a Planar Phased Array of Spirals

Israël Hinostroza , Régis Guinvarc'H , Randy Haupt
2010 IEEE Antennas and Propagation Society International Symposium (APSURSI 2010), Jul 2010, Toronto, Canada. ⟨10.1109/APS.2010.5561413⟩
Conference papers hal-00556233v1

Experimentation on a Floating Active Antenna and on a Passive Antenna Moving on the Coast for HFSWR

Jacques El Khoury , Pierre Flament , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
2nd SONDRA Workshop , May 2010, Cargèse, France
Conference papers hal-00556636v1

On the design of dual polarization spiral antenna array

Régis Guinvarc'H , Randy L. Haupt
2nd SONDRA Workshop, May 2010, Cargèse, France
Conference papers hal-00557845v1

External and coplanar feeding for spiral antenna

Karim Louertani , Régis Guinvarc'H , Nicolas Ribière-Tharaud , Marc Hélier
2010 IEEE Antennas and Propagation Society International Symposium (APSURSI 2010), Jul 2010, Toronto, Canada. ⟨10.1109/APS.2010.5560994⟩
Conference papers hal-00556630v1

Improving axial ratio of planar phased array of spirals

Israël Hinostroza , Régis Guinvarc'H , Randy L. Haupt
2nd SONDRA Workshop , May 2010, Cargèse, France
Conference papers hal-00557867v1

Externally fed spiral antenna for radar applications

Karim Louertani , Régis Guinvarc'H , Nicolas Ribière-Tharaud , Marc Hélier
2nd SONDRA Workshop , May 2010, Cargèse, France
Conference papers hal-00557860v1

Optimization of a dual polarization interleaved wideband spiral phased array

Régis Guinvarc'H , Randy Haupt
2009 IEEE Antennas and Propagation Society International Symposium (APSURSI 2009), Jun 2009, Charleston, United States. ⟨10.1109/APS.2009.5171615⟩
Conference papers hal-00447679v1
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Robustness of a correction method applied to a vertically deformed HFSWR on buoys

Jacques El Khoury , Anthony Bourges , Régis Guinvarc'H , Raphaël Gillard , Bernard Uguen
2009 International Radar Conference "Surveillance for a Safer World" (RADAR 2009), Oct 2009, Bordeaux, France
Conference papers hal-00444553v1

Solution d'alimentation planaire pour antenne spirale

Karim Louertani , Nicolas Ribière-Tharaud , Régis Guinvarc'H , Marc Hélier
JNM 2009, May 2009, Grenoble, France
Conference papers hal-00597213v1

Coplanar feeding solution for spiral antenna

Karim Louertani , Nicolas Ribière-Tharaud , Régis Guinvarc'H , Marc Hélier
2009 IEEE Antennas and Propagation Society International Symposium (APSURSI 2009), Jun 2009, Charleston, United States. ⟨10.1109/APS.2009.5172294⟩
Conference papers hal-00447692v1

Experimentation on a floating antenna for a high frequency surface wave radar

Jacques El Khoury , Anthony Bourges , Régis Guinvarc'H , Pierre Flament
Radio Wave Oceanography Workshop, May 2009, Split, Croatia
Conference papers hal-00447868v1

A wideband antenna for P-band airborne SAR applications

Régis Guinvarc'H , Nicolas Ribière-Tharaud
IEEE International Symposium on Antennas and Propagation, Jul 2008, San Diego, United States. pp.407.9
Conference papers hal-00352239v1

Design of a spiral antenna with coplanar feeding solution

Karim Louertani , Régis Guinvarc'H , Nicolas Ribière-Tharaud , Muriel Darces
IEEE International Symposium on Antennas and Propagation, Jul 2008, San Diego, United States. pp.214.6
Conference papers hal-00352235v1

A Simple Correction Approach For HF Surface Wave Radar On Buoys

Anthony Bourges , Raphaël Gillard , Régis Guinvarc'H , Bernard Uguen
Radar Oceanography Workshop 2007, May 2007, Cancun, Mexico
Conference papers hal-00162931v1

Réseau large bande conformé sur dirigeable

François Chauvet , Régis Guinvarc'H , Marc Hélier
XVèmes Journées Nationales Micro-Ondes, May 2007, Toulouse, France. 4 p. sur CD-ROM
Conference papers hal-00272438v1

Dual-polarization wide-band interleaved spiral antenna array

Régis Guinvarc'H
2007 IET International Conference on Radar Systems, Oct 2007, Edinburgh, United Kingdom. ⟨10.1049/cp:20070570⟩
Conference papers hal-00272364v1

Polarized scanning possibilities of a conformal wideband array

François Chauvet , Régis Guinvarc'H , Marc Hélier
International Symposium on Antennas and Propagation, Aug 2007, Niigata, Japan. 4 p. CD-ROM Proceedings
Conference papers hal-00272369v1

Exact modelling of the scattering of realistic sea surfaces for HFSWR applications

Yaël Demarty , Vincent Gobin , Laetitia Thirion-Lefevre , Régis Guinvarc'H , Marc Lesturgie
2007 IEEE International Geoscience and Remote Sensing Symposium, Jul 2007, Barcelone, Spain. ⟨10.1109/IGARSS.2007.4422970⟩
Conference papers hal-00272356v1

Non uniformly curved wideband array

François Chauvet , Régis Guinvarc'H , Marc Hélier
2006 First European Conference on Antennas and Propagation (EuCAP 2006), Nov 2006, Nice, France. 5 p. sur CD-ROM
Conference papers hal-00278567v1

A simple pattern correction approach for high frequency surface wave radar on buoys

Anthony Bourges , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
2006 First European Conference on Antennas and Propagation (EuCAP 2006), Nov 2006, Nice, France. ⟨10.1109/EUCAP.2006.4584484⟩
Conference papers hal-00278582v1

Coupling between spiral antenna elements of a conformal wideband array

François Chauvet , Régis Guinvarc'H , Marc Hélier
ACES 2006, Mar 2006, Miami, United States. 5 p. sur CD-ROM
Conference papers hal-00278566v1

Swell Compensation for High Frequency Antenna Array on Buoys

Anthony Bourges , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
IEEE APS 2006, 2006, United States
Conference papers hal-00085415v1

Swell compensations for High Frequency antenna array on buoys

Anthony Bourges , Régis Guinvarc'H , Bernard Uguen , Raphaël Gillard
2006 IEEE Antennas and Propagation Society International Symposium , Jul 2006, Albuquerque, United States. ⟨10.1109/APS.2006.1711712⟩
Conference papers hal-00278570v1

A novel PE-MoM hybrid technique to study the over-sea electromagnetic propagation

Régis Guinvarc'H , Bernard Uguen , Gérard Chassay
Radar 2002 Conference, Oct 2002, Edinburg, United Kingdom
Conference papers hal-00952828v1

Prediction of the over-sea electromagnetic wave propagation by a novel PE-MoM hybrid technique

Régis Guinvarc'H , Bernard Uguen , Gérard Chassay
International Symposium and USNC/URSI National Radio Science Meeting, Jun 2002, San Antonio, United States
Conference papers hal-00952822v1