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Paper Abstract and Keywords
Presentation 2006-05-19 10:25
An Application of Wavelet-based Method of Moments to Scattering Problems with Discontinuous Impedance Matrix
Hidetoshi Chiba, Yoshio Inasawa, Naofumi Yoneda, Shigeru Makino (Mitsubishi Electric Corp.) AP2006-20
Abstract (in Japanese) (See Japanese page) 
(in English) A huge computation time is required for a method such as the method of moments (MoM) which estimates a physical quantity by descretizing an integral equation to a set of simultaneous linear equations, because its system matrix, impedance matrix in MoM, is dense in general. It has been reported that the wavelet transform can be used to make dense impedance matrix sparse for reduction of the calculation complexity [1]-[6]. However, if the impedance matrix has discontinuity in the space domain, it oscillates in the spectral domain. Consequently enough sparcification can not be realized by the wavelet transform. In this paper, a new transformation based on a wavelet transform is proposed to overcome the case where the impedance matrix becomes discontinuous in the space domain with validation of its effectiveness.


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Keyword (in Japanese) (See Japanese page) 
(in English) Method of Moments / Wavelet Transform / Scattering Problems / Hadamard Matrix / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 40, AP2006-20, pp. 65-70, May 2006.
Paper # AP2006-20 
Date of Issue 2006-05-11 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
Download PDF AP2006-20

Conference Information
Committee AP SAT  
Conference Date 2006-05-18 - 2006-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications and Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2006-05-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Application of Wavelet-based Method of Moments to Scattering Problems with Discontinuous Impedance Matrix 
Sub Title (in English)  
Keyword(1) Method of Moments  
Keyword(2) Wavelet Transform  
Keyword(3) Scattering Problems  
Keyword(4) Hadamard Matrix  
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1st Author's Name Hidetoshi Chiba  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Yoshio Inasawa  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Naofumi Yoneda  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
4th Author's Name Shigeru Makino  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2006-05-19 10:25:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2006-20 
Volume (vol) vol.106 
Number (no) no.40 
Page pp.65-70 
#Pages
Date of Issue 2006-05-11 (AP) 


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