The Generalized Stationary Scattering Problems
Sign Up to like & getrecommendations! Published in 2018 at "Complex Analysis and Operator Theory"
DOI: 10.1007/s11785-017-0700-6
Abstract: We introduce and investigate the important notion of the generalized stationary scattering function for Schrödinger and Dirac radial equations. In particular, this notion is fruitful in the case of Coulomb-type potentials. Although generalized dynamical scattering… read more here.
Keywords: generalized stationary; notion; stationary scattering; scattering problems ... See more keywords
Fast solver for uncertainty EM scattering problems by the perturbed-based MLFMA
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Analysis With Boundary Elements"
DOI: 10.1016/j.enganabound.2020.10.020
Abstract: Abstract A novel fast algorithm is proposed to analyze the EM scattering from electrically large conducting targets with varying geometrical shapes. Firstly, the target surface can be constructed with several control points by using the… read more here.
Keywords: uncertainty scattering; fast solver; problems perturbed; scattering problems ... See more keywords
A frequency domain method for scattering problems with moving boundaries
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DOI: 10.1016/j.wavemoti.2021.102717
Abstract: We propose a multi-harmonic numerical method for solving wave scattering problems with moving boundaries, where the scatterer is assumed to move smoothly around an equilibrium position. We first develop an analysis to justify the method… read more here.
Keywords: frequency domain; domain method; method; problems moving ... See more keywords
Inverse elastic scattering problems with phaseless far field data
Sign Up to like & getrecommendations! Published in 2019 at "Inverse Problems"
DOI: 10.1088/1361-6420/ab2a35
Abstract: This paper is concerned with uniqueness, phase retrieval and shape reconstruction methods for inverse elastic scattering problems with phaseless far field data. Systematically, we study two basic models, i.e., inverse scattering of plane waves by… read more here.
Keywords: far field; field; field data; point ... See more keywords
Uniqueness in phaseless inverse scattering problems with known superposition of incident point sources
Sign Up to like & getrecommendations! Published in 2019 at "Inverse Problems"
DOI: 10.1088/1361-6420/ab3373
Abstract: This paper is concerned with the uniqueness in inverse acoustic scattering problems with the modulus of the far-field patterns co-produced by the obstacle (resp. medium) and the point sources. Based on the superposition of point… read more here.
Keywords: point sources; incident; point; scattering problems ... See more keywords
A New Scheme for Solving Highly Nonlinear Inverse Scattering Problems With Noise Disturbance
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3137322
Abstract: In this letter, a new scheme based on contraction integral equation (CIE) method is proposed to solve the highly nonlinear inverse scattering problems with noise disturbance. By controlling the weight factor in the new scheme… read more here.
Keywords: new scheme; nonlinear inverse; scheme; highly nonlinear ... See more keywords
Evaluations of a Class of Integrals That Arise in Wave Scattering Problems by Using the Taylor Product Theorem
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2778758
Abstract: Taylor product theorem is applied to the evaluation of a class of integrals that arise in high-frequency wave scattering problems. We expand a term $1/(t^{2}+1)$ under the integral into exponentiated powers of $t$ that are… read more here.
Keywords: integrals arise; product theorem; taylor product; wave scattering ... See more keywords
Novel Single-Source Surface Integral Equation for Scattering Problems by 3-D Dielectric Objects
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DOI: 10.1109/tap.2017.2781740
Abstract: A new single-source integral equation is proposed for the solution of electromagnetic wave scattering problems. The traditional volume electric field integral equation is reduced to the new single-source surface integral equation by representing the electric… read more here.
Keywords: integral equation; single source; source surface; scattering problems ... See more keywords
Deep Learning-Based Inversion Methods for Solving Inverse Scattering Problems With Phaseless Data
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.2998171
Abstract: Without phase information of the measured field data, the phaseless data inverse scattering problems (PD-ISPs) counter more serious nonlinearity and ill-posedness compared with full data ISPs (FD-ISPs). In this article, we propose a learning-based inversion… read more here.
Keywords: inversion; learning based; phaseless data; inverse scattering ... See more keywords
Adjoint-Based Accelerated Adaptive Refinement in Frequency Domain 3-D Finite Element Method Scattering Problems
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DOI: 10.1109/tap.2020.3016162
Abstract: We present the application of adjoint analysis to 3-D finite-element method scattering problems for a posteriori error estimation and adaptive refinement. Adjoint-based methodologies, though underutilized in computational electromagnetics (CEM), enable significant improvements for both efficiency… read more here.
Keywords: refinement; adaptive refinement; finite element; method scattering ... See more keywords
Massively Parallel Discontinuous Galerkin Surface Integral Equation Method for Solving Large-Scale Electromagnetic Scattering Problems
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DOI: 10.1109/tap.2021.3078558
Abstract: In this communication, we present flexible and efficient solutions of large-scale electromagnetic scattering problems using the parallel discontinuous Galerkin (DG) surface integral equation (SIE) method. A simplified formulation of the conventional DG is used by… read more here.
Keywords: scale electromagnetic; electromagnetic scattering; method; large scale ... See more keywords