Physics of relativistic collisionless shocks: The scattering-center frame.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.100.013205
Abstract: In this first paper of a series dedicated to the microphysics of unmagnetized, relativistic collisionless pair shocks, we discuss the physics of the Weibel-type transverse current filamentation instability that develops in the shock precursor, through… read more here.
Keywords: frame; weibel frame; physics; relativistic collisionless ... See more keywords
Time-Domain Evaluation of Full-Wave Scattering Center Models
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.2981998
Abstract: This letter describes how to evaluate a previously derived full-wave scattering center model directly in time domain. The direct time-domain evaluation is particularly important in the case of moving targets, where the time dependency of… read more here.
Keywords: time; full wave; wave scattering; time domain ... See more keywords
SCMA: A Scattering Center Model Attack on CNN-SAR Target Recognition
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2023.3253189
Abstract: Convolutional neural networks (CNNs) have been widely used in synthetic aperture radar (SAR) target recognition, which can extract feature automatically. However, due to its own structural flaws, CNNs are easy to be fooled by adversarial… read more here.
Keywords: scma; center model; attack; scattering center ... See more keywords
Attributed Scattering Center Extraction Algorithm Based on Sparse Representation With Dictionary Refinement
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2673764
Abstract: Compared with the point-scattering model, the attributed scattering center model (ASCM) is able to describe the frequency and aspect dependence of canonical scattering objects using solutions from both physical optics and the geometric theory of… read more here.
Keywords: dictionary refinement; algorithm; sparse representation; attributed scattering ... See more keywords
Improvement in Computation Time of 3-D Scattering Center Extraction Using the Shooting and Bouncing Ray Technique
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2708078
Abstract: We present a fast 3-D scattering center extraction algorithm using the shooting and bouncing ray technique. The proposed algorithm generates a 3-D inverse synthetic aperture radar image from which a set of 3-D scattering centers… read more here.
Keywords: computation time; scattering center; time; center extraction ... See more keywords
A Bistatic Attributed Scattering Center Model for SAR ATR
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3083817
Abstract: In this article, a 2-D bistatic attributed scattering center (BASC) model is developed to represent the bistatic return from a perfect electric conducting (PEC) target, based on the derived analytic scattering solutions of seven canonical… read more here.
Keywords: attributed scattering; bistatic attributed; basc model; model ... See more keywords
Scattering response modeling scheme based on combined neural network inspired by the equivalent scattering center.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449621
Abstract: A novel scheme is proposed in this paper to model the complex scattering pattern of radar target with a small training data set. By employing the ideal equivalent scattering center as transfer function, the frequency… read more here.
Keywords: neural network; scattering center; scheme; model ... See more keywords