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Inverse Electromagnetic Scattering by a Penetrable Chiral Object: 《Journal of Applied Mathematics and Physics》2024年第9期3081-3098,共18页Sotiria Dimitroula Paraskevi Roupa Spyridon C. Athanasiadis Georgios Halikias; We consider the inverse electromagnetic scattering problem of determining the shape of a perfectly conducting core inside a penetrable chiral body. We prove the well-posedness of the corresponding direct scattering pr...; 关键词：Chiral Media Inverse Scattering Problem Chiral Mixed Reciprocity Relation

Sensitivity Analysis of Electromagnetic Scattering from Dielectric Targets with Polynomial Chaos Expansion and Method of Moments: 《Computer Modeling in Engineering & Sciences》2024年第8期2079-2102,共24页Yujing Ma Zhongwang Wang Jieyuan Zhang Ruijin Huo Xiaohui Yuan; supported by the Young Scientists Fund of the National Natural Science Foundation of China(No.62102444);a Major Research Project in Higher Education Institutions in Henan Province(No.23A560015).; In this paper,an adaptive polynomial chaos expansion method(PCE)based on the method of moments(MoM)is proposed to construct surrogate models for electromagnetic scattering and further sensitivity analysis.The MoM is a...; 关键词：Adaptive polynomial chaos expansion method method of moments radar cross section electromagnetic scattering

Electromagnetic scattering and imaging simulation of extremely large-scale sea-ship scene based on GPU parallel technology: 《Journal of Electronic Science and Technology》2024年第2期16-23,共8页Cheng-Wei Zhang Zhi-Qin Zhao Wei Yang Li-Lai Zhou Hai-Yu Zhu; supported by the Opening Foundation of the Agile and Intelligence Computing Key Laboratory of Sichuan Province under Grant No.H23004;the Chengdu Municipal Science and Technology Bureau Technological Innovation R&D Project(Key Project)under Grant No.2024-YF08-00106-GX.; Aiming to solve the bottleneck problem of electromagnetic scattering simulation in the scenes of extremely large-scale seas and ships,a high-frequency method by using graphics processing unit(GPU)parallel acceleration...; 关键词：Multi graphics processing unit Radar imaging Sea-ship Shooting and bouncing rays

Numerical Solutions of the Electromagnetic Scattering by Overfilled Cavities with Inhomogeneous Anisotropic Media: 《Communications in Computational Physics》2023年第7期530-562,共33页Meiling Zhao Jiahui He Liqun Wang; supported by the National Natural Science Foundation of China(No.12271159);the Natural Science Foundation of Hebei Province(No.A2020502003);the Fundamental Research Funds for the Central Universities(No.2021MS115);supported by the National Natural Science Foundation of China(No.12171482);the State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum(No.PRP/DX-2307).; In this paper,the electromagnetic scattering from overfilled cavities with inhomogeneous anisotropic media is investigated.To solve the scattering problem,a Petrov-Galerkin finite element interfacemethod on non-body-f...; 关键词：Electromagnetic scattering overfilled cavity inhomogeneous anisotropicmedia nonbody-fitted grids Petrov-Galerkin finite element interface method

Sparsity-based efficient simulation of cluster targets electromagnetic scattering: 《Journal of Systems Engineering and Electronics》2023年第2期299-306,共8页TIAN Yuguang LIU Yixin CHEN Xuan CHEN Penghui WANG Jun CHEN Junwen; An efficient and real-time simulation method is proposed for the dynamic electromagnetic characteristics of cluster targets to meet the requirements of engineering practical applications.First,the coordinate transform...; 关键词：geometric model of the observation scene dynamic electromagnetic scattering simulation sparsity-based method

On the Far Field Pattern for Acoustic Scattering by a Piecewise Homogeneous Obstacle in Two Dimensions: 《Journal of Applied Mathematics and Physics》2022年第10期2951-2964,共14页Evagelia S. Athanasiadou Paraskevi Roupa; A time-harmonic plane acoustic wave is scattered by a piecewise homogeneous obstacle with a penetrable or impenetrable core. We construct in the close form an integral representation for the far field pattern in which...; 关键词：Two-Dimensional Electromagnetic Scattering Piecewise Obstacle Reciprocity Principle Optical Theorem

Study of RCS characteristics of tilt-rotor aircraft based on dynamic calculation approach: 《Chinese Journal of Aeronautics》2022年第4期426-437,共12页Zeyang ZHOU Jun HUANG; supported by the Project funded by China Postdoctoral Science Foundation(Nos.BX20200035,2020M680005)。; To study the Radar Cross-Section(RCS) characteristics of the tilt-rotor aircraft, a dynamic calculation approach that takes into account rotor rotation and nacelle tilt is presented.Physical optics and physical theory...; 关键词：Dynamic electromagnetic scattering Nacelle tilt Radar cross-section(RCS) Tilt-rotor aircraft Transition mode

An efficient adaptive space partitioning algorithm for electromagnetic scattering calculation of complex 3D models被引量：1: 《Journal of Systems Engineering and Electronics》2021年第5期1071-1082,共12页HUANG Minjie ZHOU Yaoming WANG Yongchao LIU Zhongtie; This work was supported by the National Natural Science Foundation of China(61601015,91538204).; The space partitioning algorithm based on the rounding and addressing operations has been proved to be an efficient space partitioning algorithm with the potential for real-time calculation.An improvement on this kind...; 关键词：adaptive space partitioning computer graphics binary space partitioning ray tracing(RT)method stealth technology

Electromagnetic scattering characteristics of coaxial helicopter based on dynamic transformation method被引量：3: 《Chinese Journal of Aeronautics》2021年第2期516-528,共13页Zeyang ZHOU Jun HUANG Jinjun WANG; supported by the project funded by China Postdoctoral Science Foundation;the Excellence Foundation of Beihang University for Ph D;the National Natural Science Foundation of China (No. 91641123)。; With the development of coaxial rotors and high-speed helicopters, the electromagnetic scattering characteristics of coaxial helicopters have gradually become a research hotspot. In order to deal with the Radar Cross-...; 关键词：Coaxial helicopter Dynamic electromagnetic scattering Radar cross section Radar stealth ROTOR

Memory effects in scattering from accelerating bodies: 《Advanced Photonics》2020年第5期64-73,共10页Vitali Kozlov Sergei Kosulnikov Dmytro Vovchuk Pavel Ginzburg; supported in part by ERC StG“In Motion”(Grant No.802279);PAZY Foundation(Grant No.01021248); Interaction of electromagnetic,acoustic,and even gravitational waves with accelerating bodies forms a class of nonstationary time-variant processes.Scattered waves contain intrinsic signatures of motion,which manifest...; 关键词：light-matter interaction electromagnetic scattering quality factor open cavity

ELECTROMAGNETIC_SCATTERING