Paper Abstract and Keywords |
Presentation |
2008-07-24 16:15
Performance Improvement of Reconstruction Algorithm Based on the Multigrid Optimization Method Mitsuru Tanaka, Masahiko Sano, Atsushi Kusunoki (Oita Univ.) MW2008-69 OPE2008-52 Link to ES Tech. Rep. Archives: MW2008-69 OPE2008-52 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This article considers the performance improvement of a reconstruction algorithm of estimating the relative permittivity of a lossy dielectric cylinder based on the multigrid optimization method. The inverse scattering problem can be treated as an optimization problem where the relative permittivity is determined by the minimization of a cost functional concerning the scattered electric fields measured and calculated. The multigrid optimization method consists of the modified frequency-hopping technique with a weighting factor, the multigrid method with a V-cycle, and the conjugate gradient method. Computer simulations are performed for lossy dielectric circular cylinders in free space to show the effect of the weighting factor on the reconstruction accuracy. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
inverse scattering problem / multigrid optimization method / modified frequency-hopping technique with a weighting factor / reconstruction algorithm / performance improvement / / / |
Reference Info. |
IEICE Tech. Rep., vol. 108, July 2008. |
Paper # |
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Date of Issue |
2008-07-17 (MW, OPE) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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MW2008-69 OPE2008-52 Link to ES Tech. Rep. Archives: MW2008-69 OPE2008-52 |
Conference Information |
Committee |
OPE EMT MW |
Conference Date |
2008-07-24 - 2008-07-25 |
Place (in Japanese) |
(See Japanese page) |
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(See Japanese page) |
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Paper Information |
Registration To |
EMT |
Conference Code |
2008-07-OPE-EMT-MW |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Performance Improvement of Reconstruction Algorithm Based on the Multigrid Optimization Method |
Sub Title (in English) |
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Keyword(1) |
inverse scattering problem |
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multigrid optimization method |
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modified frequency-hopping technique with a weighting factor |
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reconstruction algorithm |
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performance improvement |
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1st Author's Name |
Mitsuru Tanaka |
1st Author's Affiliation |
Oita University (Oita Univ.) |
2nd Author's Name |
Masahiko Sano |
2nd Author's Affiliation |
Oita University (Oita Univ.) |
3rd Author's Name |
Atsushi Kusunoki |
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Oita University (Oita Univ.) |
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Speaker |
Author-1 |
Date Time |
2008-07-24 16:15:00 |
Presentation Time |
25 minutes |
Registration for |
EMT |
Paper # |
MW2008-69, OPE2008-52 |
Volume (vol) |
vol.108 |
Number (no) |
no.154(MW), no.155(OPE) |
Page |
pp.123-127 |
#Pages |
5 |
Date of Issue |
2008-07-17 (MW, OPE) |
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