Multilevel Physical Optics Algorithm for Near-Field Double-Bounce Scattering

Moty Roudstein; Yaniv Brick; Amir Boag

doi:10.1109/TAP.2015.2481491

Multilevel Physical Optics Algorithm for Near-Field Double-Bounce Scattering

Moty Roudstein, Yaniv Brick, Amir Boag

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

A fast algorithm for the evaluation of the double-bounce (DB) contributions to the physical optics scattering integrals, over a range of aspect angles and frequencies, is presented. The work extends the preceding far-field algorithm, to encompass three-dimensional and near-field scenarios. The algorithm relies on multilevel sampling and interpolation of phase-and amplitude-compensated contributions of subdomain pairs. A particular design of the phase-and amplitude-compensation functions and sampling grids, tailored to the DB near-field case, is presented. The improved performance and error controllability are demonstrated via representative examples.

Original language	English
Article number	7274661
Pages (from-to)	5015-5025
Number of pages	11
Journal	IEEE Transactions on Antennas and Propagation
Volume	63
Issue number	11
DOIs	https://doi.org/10.1109/TAP.2015.2481491
State	Published - 1 Nov 2015
Externally published	Yes

Keywords

High-frequency methods
fast algorithms
physical optics
scattering cross-section

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TAP.2015.2481491

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title = "Multilevel Physical Optics Algorithm for Near-Field Double-Bounce Scattering",

abstract = "A fast algorithm for the evaluation of the double-bounce (DB) contributions to the physical optics scattering integrals, over a range of aspect angles and frequencies, is presented. The work extends the preceding far-field algorithm, to encompass three-dimensional and near-field scenarios. The algorithm relies on multilevel sampling and interpolation of phase-and amplitude-compensated contributions of subdomain pairs. A particular design of the phase-and amplitude-compensation functions and sampling grids, tailored to the DB near-field case, is presented. The improved performance and error controllability are demonstrated via representative examples.",

keywords = "High-frequency methods, fast algorithms, physical optics, scattering cross-section",

author = "Moty Roudstein and Yaniv Brick and Amir Boag",

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AU - Brick, Yaniv

AU - Boag, Amir

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N2 - A fast algorithm for the evaluation of the double-bounce (DB) contributions to the physical optics scattering integrals, over a range of aspect angles and frequencies, is presented. The work extends the preceding far-field algorithm, to encompass three-dimensional and near-field scenarios. The algorithm relies on multilevel sampling and interpolation of phase-and amplitude-compensated contributions of subdomain pairs. A particular design of the phase-and amplitude-compensation functions and sampling grids, tailored to the DB near-field case, is presented. The improved performance and error controllability are demonstrated via representative examples.

AB - A fast algorithm for the evaluation of the double-bounce (DB) contributions to the physical optics scattering integrals, over a range of aspect angles and frequencies, is presented. The work extends the preceding far-field algorithm, to encompass three-dimensional and near-field scenarios. The algorithm relies on multilevel sampling and interpolation of phase-and amplitude-compensated contributions of subdomain pairs. A particular design of the phase-and amplitude-compensation functions and sampling grids, tailored to the DB near-field case, is presented. The improved performance and error controllability are demonstrated via representative examples.

KW - High-frequency methods

KW - fast algorithms

KW - physical optics

KW - scattering cross-section

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ER -

Multilevel Physical Optics Algorithm for Near-Field Double-Bounce Scattering

Abstract

Keywords

ASJC Scopus subject areas

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