Recherche - ENSTA Bretagne - École nationale supérieure de techniques avancées Bretagne Accéder directement au contenu

Filtrer vos résultats

302 Résultats
hal_authIdPerson_i : 745377

RCS of Complex Targets: Original Representation Validated by Measurements-Application to ISAR Imagery

Yacine Bennani , Fabrice Comblet , Ali Khenchaf
IEEE Transactions on Geoscience and Remote Sensing, 2012, 50 (10), pp.3882 - 3891. ⟨10.1109/TGRS.2012.2186972⟩
Article dans une revue hal-00704383v1

Transfer learning on CNN architectures for ship classification on SAR images

Abdelmalek Toumi , Jean-Christophe Cexus , Ali Khenchaf , Antoine Tartivel
Sea Tech Week - Session Remote Sensing, Oct 2020, Brest, France
Communication dans un congrès hal-03109596v1

Modélisation de la diffusion électromagnétique en haute fréquence d’une surface de mer en présence d’une cible complexe

Majid Rochdi , Ali Khenchaf
ENVIREM 2015, Onera; Centrale Supelec; SEE, Jun 2015, Gif sur Yvette, France
Communication dans un congrès hal-01171084v1

Diffusion Electromagnétique par une Surface Maritime en Présence de Polluants : Comparaison entre Méthodes Rigoureuses et Asymptotiques

Helmi Ghanmi , Ali Khenchaf , Fabrice Comblet
ENVIREM 2015, Onera; Centrale Supelec; SEE, Jun 2015, Gif sur Yvette, France
Communication dans un congrès hal-01171012v1

Bistatic scattering from a contaminated sea surface observed in C, X and Ku bands

Helmi Ghanmi , Ali Khenchaf , Fabrice Comblet
SPIE Remote Sensing, Sep 2014, Amsterdam, Netherlands
Communication dans un congrès hal-01170766v1

Normalized radar cross sections of sea surface estimated using asymptotic and semi-empirical methods in C band

Honglei Zheng , Ali Khenchaf , Helmi Ghanmi , Yunhua Wang , Chaofang Zhao et al.
International Geoscience and Remote Sensing Symposium 2018 (IGARSS 2018), Jul 2018, Valencia, Spain
Communication dans un congrès hal-01867385v1

Estimating Ambiguity and Using Model Weight To Improve the Positioning Accuracy of a Stand-alone Receiver

Ngoc Tan Truong , Ali Khenchaf , Fabrice Comblet
13th European Conference on Antennas and Propagation, EuCAP 2019, Mar 2019, Krakow, Poland. pp.8739397
Communication dans un congrès hal-02434619v1
Image document

A two-way split-step wavelet method for the 2D tropospheric propagation

Thomas Bonnafont , Ali Khenchaf
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC), May 2022, Gran Canaria, Spain. pp.1-4, ⟨10.23919/AT-AP-RASC54737.2022.9814431⟩
Communication dans un congrès hal-03718216v1

Retrieval of Six Years of ZTD Over the Oceans from a French Oceanographic Fleet Vessel Shipborne GNSS Antenna

Aurélie Panetier , Aubin Bleriot Tsapong-Tsague , Pierre Bosser , Ali Khenchaf
AGU Fall Meeting 2022, Dec 2022, Chicago, United States
Communication dans un congrès hal-03914120v1

Modélisation de la diffusion électromagnétique par trois types de vagues côtières déferlantes : glissant, plongeant, gonflant

Refzul Khairi , Arnaud Coatanhay , Ali Khenchaf
JNM 2013 - Journées Nationales Micro-Ondes, May 2013, France. pp.XX
Communication dans un congrès hal-00827403v1

Estimation of Water Quality Parameters Using the Regression Model with Fuzzy K-Means Clustering

Muntadher A. Shareef , Abdelmalek Toumi , Ali Khenchaf
International journal of advanced computer science and applications (IJACSA), 2014, 5,6, ⟨10.14569/IJACSA.2014.050624⟩
Article dans une revue hal-01062373v1

Investigation of shipborne GNSS ZTD retrieval processing parameters by simulation

Aurélie Panetier , Pierre Bosser , Ali Khenchaf
EGU General Assembly 2022, May 2022, Vienna, Austria. ⟨10.5194/egusphere-egu22-5237⟩
Communication dans un congrès hal-03679131v1
Image document

Sensitivity of Shipborne GNSS Troposphere Retrieval to Processing Parameters

Aurélie Panetier , Pierre Bosser , Ali Khenchaf
International Association of Geodesy Symposia, Springer, pp 1-7, 2022, ⟨10.1007/1345_2022_177⟩
Chapitre d'ouvrage hal-03834685v1

EM BISTATIC SCATTERING BY SEA SURFACE AND EXPERIMENTAL STUDY OF THE HYDRODYNAMIC PHENOMENA

Slahedine Ben Khadra , Ali Khenchaf
IGARSS 2012, Jul 2012, Munich, Germany
Communication dans un congrès hal-00729996v1

Signature électromagnétigue des vagues déferlantes observées en configuration bistatique et en bande X

Slah-Edine Ben Khadra , Ali Khenchaf
Traitement du Signal, 2013, 3-4-5, pp.273-300. ⟨10.3166/TS.30.273-300⟩
Article dans une revue hal-00924373v1

Depolarization of Electromagnetic Waves from Bare Soil Surfaces

Naheed Sajjad , Ali Khenchaf , Arnaud Coatanhay
SCEE'10, Oct 2010, Toulouse, France. pp.107, ⟨10.1007/978-3-642-22453-9_12⟩
Communication dans un congrès istex hal-00703831v1
Image document

Experimental Measurement of Time Difference Of Arrival

Hugo Seuté , Cyrille Enderli , Jean-François Grandin , Ali Khenchaf , Jean-Christophe Cexus et al.
International Radar Symposium 2016 - IRS2016, May 2016, Krakow, Poland. 4 p
Communication dans un congrès hal-01326376v1

Performances of a multi-static model of sound scattering by rough surfaces

Virginie Jaud , Cedric Gervaise , Ali Khenchaf
Acoustics`08/ECUA08, address = Paris, France, year = 2008, month = 29 June-4 July, nat = 0, pdf = 1,, 2008, France. pp.Non renseigne
Communication dans un congrès hal-00518586v1

Simulation of a GNSS signal for a receiver near a time-evolving sea surface

Arnaud Coatanhay , Andreas Arnold-Bos , Ali Khenchaf
International Conference on Electromagnetic in Advanced Applications, Sep 2007, Torino, Italy. pp.Non renseigne
Communication dans un congrès hal-00518624v1

Bistatic scattering from an anisotropic sea surface: Numerical comparison between the first-order SSA and the TSM models

Ahmad Awada , Mohamed Ayari , Ali Khenchaf , Arnaud Coatanhay
Waves in Random and Complex Media, 2006, pp.Non renseigne
Article dans une revue hal-00518655v1

HFSW Radar model: Simulation and measurement

Samuel Grosdidier , Alexandre Baussard , Ali Khenchaf
IEEE Transactions on Geoscience and Remote Sensing, 2010, 48 (9), pp.3539-3549
Article dans une revue hal-00518509v1

Using ISAR images for aircraft recognition

Abdelmalek Toumi , Ali Khenchaf
SET-160 Symposium on "NCI/ATR in Air-Ground and Maritime Applications based on Radar and Acoustics", address = Greece, year = 2010, month = october, pdf = 0, nat = 0, keyword = signal processing,, 2010, France. pp.Non renseigne
Communication dans un congrès hal-00518511v1

Système Automatique de reconnaissance de cibles radar : Problématique de l`extraction de la forme

Mn Saidi , Abdelmalek Toumi , Brigitte Hoeltzener , Ali Khenchaf , D. Aboutajdine et al.
Atelier Fouille de données complexes dans un processus d`extraction de connaissance, Extraction et Gestion des Connaissances (EGC), address = Strasbourg, France, year = 2009, month = 27-30 January, pdf = 1, nat = 1, keyword = FAD,, 2009, France. pp.Non renseigne
Communication dans un congrès hal-00518561v1

An improved two-scale model for the ocean surface bistatic scattering

Naheed Sajjad , Ali Khenchaf , Arnaud Coatanhay , Ahmad Awada
IGARSS, Jun 2008, Boston, United States. pp.Non renseigne
Communication dans un congrès hal-00518566v1

Chimney gas detection in seismic imaging using morphology and optical flow

Mounir Dhibi , Helene Thomas , Ali Khenchaf
IEEE-Computational Intelligence Society, ICAISC 2008, address = Zakopane, Poland, year = 2008, month = 22-26 June, nat = 0, pdf = 1,, 2008, France. pp.Non renseigne
Communication dans un congrès hal-00518577v1

Contribution to Sea Scattering estimation for various Wind Direction

Ahmad Awada , Ali Khenchaf , Arnaud Coatanhay
IGARSS, Jul 2006, Denver, United States. pp.Non renseigne
Communication dans un congrès hal-00518674v1

Seabed classification using belief multi-class support vector machines

Hicham Laanaya , A. Martin , D. Aboutajdine , Ali Khenchaf
Caractérisation du milieu marin, address = Brest, France, year = 2006, month = 16-19 October, pdf = 1, nat = 1, keyword = FAD; classification; SVM; sonar; image,, 2006, France. pp.Non renseigne
Communication dans un congrès hal-00518694v1

Segmentation of Radar images by combining watershed and Fisher techniques for target classification

Bannour Belkhaoui , Abdelmalek Toumi , A. Khalfallah , Ali Khenchaf , M.S. Bouhlel et al.
CODIT'2013, May 2013, Hammamet, Tunisia
Communication dans un congrès hal-00843331v1
Image document

Experimental Evaluation and Numerical Simulation of RCS of Target using GBL and GBS

Helmi Ghanmi , Ali Khenchaf , Philippe Pouliguen
IEEE Conference on Antenna Measurements & Applications 2018 (CAMA 2018), Sep 2018, Västerås, Sweden. ⟨10.1109/CAMA.2018.8530507⟩
Communication dans un congrès hal-01936484v1

Retrieval of Surface Wind Fields at High Spatial Resolutions from C-band Sentinel-1 Data

Ali Khenchaf , Carole Nahum , Fabrice Comblet , Tran Vu La
BDAW'16, Nov 2016, Blagoevgrad, Bulgaria
Communication dans un congrès hal-01653481v1