Ali Khenchaf
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View article: Synthetic Aperture Radar Imagery Modelling and Simulation for Investigating the Composite Scattering Between Targets and the Environment
Synthetic Aperture Radar Imagery Modelling and Simulation for Investigating the Composite Scattering Between Targets and the Environment Open
View article: Modélisation et simulation de l'effet Micro-Doppler en théorie du radar : application aux aéronefs
Modélisation et simulation de l'effet Micro-Doppler en théorie du radar : application aux aéronefs Open
International audience
View article: Benchmark entre plusieurs méthodes hybrides rapides pour modéliser et calculer la SER de cibles métalliques en milieu maritime
Benchmark entre plusieurs méthodes hybrides rapides pour modéliser et calculer la SER de cibles métalliques en milieu maritime Open
International audience
View article: A Fast Wavelet-Based Hybrid Method to Model the RCS of Metallic Targets in Maritime Environment
A Fast Wavelet-Based Hybrid Method to Model the RCS of Metallic Targets in Maritime Environment Open
International audience
View article: An Overview and Classification of Machine Learning Approaches for Radar Signal Deinterleaving
An Overview and Classification of Machine Learning Approaches for Radar Signal Deinterleaving Open
Electronic Warfare (EW) receivers are passive systems that are designed to detect and identify active radar emitters in the environment. The radar pulses emitted by multiple sources are received and must be deinterleaved, in other words, s…
View article: A Combined CNN-LSTM Network for Ship Classification on SAR Images
A Combined CNN-LSTM Network for Ship Classification on SAR Images Open
Satellite SAR (synthetic aperture radar) imagery offers global coverage and all-weather recording capabilities, making it valuable for applications like remote sensing and maritime surveillance. However, its use in machine learning-based a…
View article: Vertex-oriented Metaheuristic for Radar Lobe Detection in Electronic Warfare Context
Vertex-oriented Metaheuristic for Radar Lobe Detection in Electronic Warfare Context Open
International audience
View article: Range Cell Migration Processing Loss in Automotive Radar
Range Cell Migration Processing Loss in Automotive Radar Open
International audience
View article: Comparative performances of CNN models for SAR Targets classification
Comparative performances of CNN models for SAR Targets classification Open
International audience
View article: On the use of the parabolic wave equation to model the electromagnetic propagation in maritime environment
On the use of the parabolic wave equation to model the electromagnetic propagation in maritime environment Open
International audience
View article: Long-Range Electromagnetic Propagation Above a Polluted Sea Surface: Hybrid Modeling
Long-Range Electromagnetic Propagation Above a Polluted Sea Surface: Hybrid Modeling Open
International audience
View article: Evaluation of a two-step clustering method for radar pulse deinterleaving
Evaluation of a two-step clustering method for radar pulse deinterleaving Open
International audience
View article: Un réseau hybride CNN-LSTM pour la classification de navires à partir d'une base frugale des images SAR
Un réseau hybride CNN-LSTM pour la classification de navires à partir d'une base frugale des images SAR Open
International audience
View article: Computing the Radar Cross-Section of Dielectric Targets Using the Gaussian Beam Summation Method
Computing the Radar Cross-Section of Dielectric Targets Using the Gaussian Beam Summation Method Open
Computing the Radar Cross-Section (RCS) of a given object is a topic of major importance for many applications, e.g., target detection and stealth technology. In this context, high-frequency asymptotic methods are widely used. In this arti…
View article: Sensitivity of Shipborne GNSS Estimates to Processing Modeling Based on Simulated Dataset
Sensitivity of Shipborne GNSS Estimates to Processing Modeling Based on Simulated Dataset Open
The atmospheric water vapor is commonly monitored from ground Global Navigation Satellite System (GNSS) measurements, by retrieving the tropospheric delay under the Zenith Wet Delay (ZWD) component, linked to the water vapor content in the…
View article: Application de l'IA au désentrelacement de formes d'onde radar
Application de l'IA au désentrelacement de formes d'onde radar Open
National audience
View article: A hybrid wavelet-based method to model the electromagnetic propagation above a polluted sea surface
A hybrid wavelet-based method to model the electromagnetic propagation above a polluted sea surface Open
International audience
View article: Automatic Drones Detection using Micro Doppler Analysis, a Preliminary Modelling
Automatic Drones Detection using Micro Doppler Analysis, a Preliminary Modelling Open
International audience
View article: Quantum Illumination Radar Using Polarization States of Photons in Atmosphere: Quantum Information Approach
Quantum Illumination Radar Using Polarization States of Photons in Atmosphere: Quantum Information Approach Open
The quantum illumination radar uses pairs of entangled photons to enhance the detection sensitivity of a reflecting target.In this paper, we worked on a quantum illumination radar using a pair of entangled photons in polarization in the mi…
View article: Estimation of the Influence of a Noisy Environment on the Binary Decision Strategy in a Quantum Illumination Radar
Estimation of the Influence of a Noisy Environment on the Binary Decision Strategy in a Quantum Illumination Radar Open
A quantum illumination radar uses quantum entanglement to enhance photodetection sensitivity. The entanglement is quickly destroyed by the decoherence in an environment, although the sensitivity enhancement could survive thanks to quantum …
View article: A Two-Way Split-Step Wavelet Scheme for Tropospheric Long-Range Propagation in Various Environments
A Two-Way Split-Step Wavelet Scheme for Tropospheric Long-Range Propagation in Various Environments Open
In the context of improving the dimensioning of observation and telecommunication, the characterization of the propagation canal is very important. Thus, accurate models of propagation phenomenona in their environment and above a rough sur…
View article: A two-way split-step wavelet method for the 2D tropospheric propagation
A two-way split-step wavelet method for the 2D tropospheric propagation Open
International audience
View article: A proposal learning strategy on CNN architectures for targets classification
A proposal learning strategy on CNN architectures for targets classification Open
International audience
View article: A fast hybrid approach to model roughness effects for the 2D tropospheric maritime long-range propagation
A fast hybrid approach to model roughness effects for the 2D tropospheric maritime long-range propagation Open
International audience
View article: Analysis of Small Sea-Surface Targets Detection Performance According to Airborne Radar Parameters in Abnormal Weather Environments
Analysis of Small Sea-Surface Targets Detection Performance According to Airborne Radar Parameters in Abnormal Weather Environments Open
Along with the rapid development of marine radar, and particularly those carried on aircraft, the detection of small-sized targets which pose an increasing threat has become one of the main areas of interest. However, by considering an obs…
View article: Investigation of shipborne GNSS ZTD retrieval processing parameters by simulation
Investigation of shipborne GNSS ZTD retrieval processing parameters by simulation Open
<div> <p><span>The aim of this work is to study the impact of the processing parameterization on the estimation of the zenith total delay (ZTD) from a shipborne GNSS antenna measurement.</span></p> <p>&l…
View article: Retrieving Oil-Water Mixture Ratios of Marine Oil Spills From L-Band SAR Imagery
Retrieving Oil-Water Mixture Ratios of Marine Oil Spills From L-Band SAR Imagery Open
Retrieving the oil-water mixture ratio (M, the proportion of oil in an oil-water mixture) of the marine oil spill is of vital importance for the emergency treatment of oil pollution, which can be achieved by a copolarization ratio (PR) met…
View article: Sensitivity of Shipborne GNSS Troposphere Retrieval to Processing Parameters
Sensitivity of Shipborne GNSS Troposphere Retrieval to Processing Parameters Open
Water vapor is a key variable in meteorology and climate studies. Since the late 90s, Global Navigation Satellite System (GNSS) estimates from ground antennas are commonly used for its description. Indeed, propagation delays are due to the…
View article: Study of the entanglement Rate Influence in a Quantum Illumination Radar Scheme: Information Theory Approach
Study of the entanglement Rate Influence in a Quantum Illumination Radar Scheme: Information Theory Approach Open
International audience
View article: Gaussian beams formalism for high frequency scattering problems by metallic targets
Gaussian beams formalism for high frequency scattering problems by metallic targets Open
International audience