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| Presentation | 2006-01-20 15:50 Examinations of the propagation characteristics on a rectangle wave using FDTD, CIP and R-CIP methods Youichi Kakuta, Shinya Watanabe, Osamu Hashimoto (AGU) Link to ES Tech. Rep. Archives:  ED2005-221 MW2005-175 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we examined the dependency of a propagated rectangle wave on 'Courant Freidrich Lewy'(CFL) conditions analyzed by using FDTD, Constrained Interpolation Profile (CIP), and Rational-function CIP (R-CIP) methods. Specifically, we analyzed the case of decreasing CFL slightly from one and changing CFL considerably to 0.5, 0.25, and 0.125. We converted analysis results into frequency spectrum using FFT. Then, we calculated errors between the theoretical and analytic values, and examined the wave propagation characteristics by each analysis method. As a result, in the case of decreasing CFL slightly from one, the analyzed spectrum conformed to the theoretical one in all methods. But, in the case that CFL is 0.9999 and 0.99, the result by FDTD methods showed divergence and vibration, and the spectrum decreased when using CIP or R-CIP method. Then, when CFL is less than or equal to 0.5, using FDTD method, the spectrum remained to match the theoretical figures, but the error of backlash alignment was large and the spectrum got unstable. Using CIP method, thespectrum decreased in a high frequency range compared with the one by FDTD method, and using R-CIP method, the spectrum decreased in an even lower frequency range. Therefore, when using CIP or R-CIP methods, it was confirmed the analyzed wave became more diffused. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | CIP Method / R-CIP Method / FDTD Method / CFL Condition / Rectangle Wave / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 105, no. 525, MW2005-175, pp. 69-74, Jan. 2006. | |
| Paper # | MW2005-175 | |
| Date of Issue | 2006-01-13 (ED, MW) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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) | |
| Download PDF | Link to ES Tech. Rep. Archives: ED2005-221 MW2005-175 |
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| Conference Information | |
| Committee | ED MW |
| Conference Date | 2006-01-18 - 2006-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Compound Semiconductor IC and High-Speed, High-Frequency Devices |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2006-01-ED-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Examinations of the propagation characteristics on a rectangle wave using FDTD, CIP and R-CIP methods |
| Sub Title (in English) | |
| Keyword(1) | CIP Method |
| Keyword(2) | R-CIP Method |
| Keyword(3) | FDTD Method |
| Keyword(4) | CFL Condition |
| Keyword(5) | Rectangle Wave |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Youichi Kakuta |
| 1st Author's Affiliation | Aoyama Gakuin University (AGU) |
| 2nd Author's Name | Shinya Watanabe |
| 2nd Author's Affiliation | Aoyama Gakuin University (AGU) |
| 3rd Author's Name | Osamu Hashimoto |
| 3rd Author's Affiliation | Aoyama Gakuin University (AGU) |
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| Speaker | Author-1 |
| Date Time | 2006-01-20 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | ED2005-221, MW2005-175 |
| Volume (vol) | vol.105 |
| Number (no) | no.522(ED), no.525(MW) |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2006-01-13 (ED, MW) |
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