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| Presentation | 2017-08-31 10:25 Investigation of phase error of sound propagation calculated by wide angle PE method in mid Pacific Ocean Koryu Mineshima, Shunichi Fujii, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.)  US2017-47 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | PE method is a useful method to simulate sound wave propagation in Ocean. However, accuracy of the calculation result is low with inappropriate approximation. In this paper, we calculate the propagation pulse wave in Ocean by changing Pade order. We obtain the phase error of the propagation in the mid Pacific Ocean, and we consider appropriate order from phase error of continuous wave and pulse wave. From the results of the sound field analysis of continuous wave, it is found that accurate analysis at the sound channel is necessary to the fourth order approximation. And, it is found that appropriate order needs the sixth order approximation at the deep depth. In addition, from the results of the sound field analysis of pulse wave, it is found that accurate analysis is necessary to the sixth order for accurate calculation in analyzing at all depth. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Padé approximation, / PE method / Phase error / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 190, US2017-47, pp. 7-10, Aug. 2017. | |
| Paper # | US2017-47 | |
| Date of Issue | 2017-08-24 (US) | |
| 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) | |
| Download PDF | US2017-47 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2017-08-31 - 2017-08-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-08-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of phase error of sound propagation calculated by wide angle PE method in mid Pacific Ocean |
| Sub Title (in English) | |
| Keyword(1) | Padé approximation, |
| Keyword(2) | PE method |
| Keyword(3) | Phase error |
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| 1st Author's Name | Koryu Mineshima |
| 1st Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 2nd Author's Name | Shunichi Fujii |
| 2nd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 3rd Author's Name | Takenobu Tsuchiya |
| 3rd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 4th Author's Name | Nobuyuki Endoh |
| 4th Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-08-31 10:25:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2017-47 |
| Volume (vol) | vol.117 |
| Number (no) | no.190 |
| Page | pp.7-10 |
| #Pages | 4 |
| Date of Issue | 2017-08-24 (US) |
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