Electromagnetic inverse scattering problems

... phaseless data (PD) inverse scattering problem 4 Chapter Introduction Figure 1.1: Setup for Inverse Scattering Experiment 1.2 Review of the approaches to inverse scattering problems 1.2 Review ... The forward scattering problem is to determine 1.1 What is inverse scattering problem? the scattered electromagnetic signal basing on the characteristics of the scatterer The...

Ngày tải lên: 09/09/2015, 18:49

... in solving electromagnetic inverse scattering problems for point-like scatterers is presented Second, the inversion technique based on EFIE for solving the electromagnetic inverse scattering problems ... MUSIC methods for solving electromagnetic inverse scattering problems for point-like scatterers, so as to obtain a better resolution; Second, to in...

Ngày tải lên: 14/09/2015, 08:39

... the mixed boundary inverse problem which involves reconstruction of PEC and dielectric scatterers together In this mixed boundary inverse scattering problem, we will identify PEC scatterers and ... electromagnetic inverse scattering problems for PEC scatterers Secondly, to investigate SOM for solving the mixed boundary problem, so as to provide a full...

Ngày tải lên: 09/09/2015, 18:57

... studies two- dimensional inverse scattering problems of small scatterers, extended scatterers, and anisotropic scatterers For small scatterers, the impact of the choice of test source and signal ... thesis, inverse scattering problems for three categories of scatterers are considered These three categories are small scatterers, extended scatterers...

Ngày tải lên: 11/09/2015, 09:58

... Annals of Mathematics, 162 (2005), 885–918 Inverse spectral problems and closed exponential systems ´ ´ By Miklos Horvath* Abstract Consider the inverse eigenvalue problem of the Schr¨dinger ... between the closedness of exponential systems and that of cosine systems Lemma 5.4 Let zn , n ≥ 1, be arbitrary different complex numbers and let d > 0, ≤ p ≤ ∞ The system {co...

Ngày tải lên: 22/03/2014, 20:20

Ngày tải lên: 08/05/2014, 12:49

... Spectral analysis of the problem on the half-line was studied by Fulton 22 Also, physical application of the problem with the linear spectral parameter appearing in the boundary conditions on the ... Section 2, the scattering data for the boundary value problem 1.1 – 1.3 are defined In Section 3, the fundamental equation for the inverse...

Ngày tải lên: 21/06/2014, 16:20

... Spectral analysis of the problem on the half-line was studied by Fulton 22 Also, physical application of the problem with the linear spectral parameter appearing in the boundary conditions on the ... Section 2, the scattering data for the boundary value problem 1.1 – 1.3 are defined In Section 3, the fundamental equation for the inverse...

Ngày tải lên: 21/06/2014, 16:20

... Inverse Problems in Array Processing 30. 1 Introduction 30. 2 Background Theory Wave Propagation • Spatial Sampling • Spatial Frequency 30. 3 Narrowband Arrays Look-Direction Constraint • ... (30. 24), (30. 29), and (30. 30), comprises the RAP method for array processing 30. 6 Simulation Results Several simulations were performed to compare the inverse formulation of the...

Ngày tải lên: 25/12/2013, 06:16

... Adaptive Beamforming Formulated as an Inverse Problem • Multiple Beamforming 32. 3 Matched Filtering 32. 4 Diophantine Inverse Filtering Using the Multiple Input-Output (MINT) Model 32. 5 Results A.C ... Inverse Problems in Microphone Arrays 32. 1 Introduction: Dereverberation Using Microphone Arrays 32. 2 Simple Delay-and-Sum Beamformers A Brief Look at Adaptive Array...

Ngày tải lên: 25/12/2013, 06:16

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Ngày tải lên: 01/06/2014, 01:16

... wave by a stratified radially uniaxial anisotropic spherical scatterer 3.1 12 Configuration of scattering of an incident plane wave by a radially uniaxial anisotropic spherical scatterer ... potentials in anisotropic media 13 2.3 Harmonic expansion of plane wave and formulation of Debye potentials 26 2.4 Formulation of boundary conditions and derivation of s...

Ngày tải lên: 09/09/2015, 18:50

... techniques for parameter inverse identification in science and engineering problems These inverse procedures will be applied for two parameter identification inverse problems in dental implant research ... 137 7.3 Finite Element and Reduced Basis Approximation 140 7.3.1 Finite Element and Reduced Basis Approximation 140 7.3.2 Numerical Results 141 7.4 Inver...

Ngày tải lên: 09/09/2015, 18:56