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| Presentation | 2012-06-08 14:05 Underdetermined DOA estimation by the non-linear MUSIC based on higher-order moment analysis Yuya Sugimoto, Shigeki Miyabe, Takeshi Yamada, Shoji Makino (Univ. Tsukuba)  EA2012-41 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper describes a new approach to extend MUltiple SIgnal Classification (MUSIC) to underdeter-mined direction-of-arrival (DOA) estimation in high resolution by exploiting higher-order moments. The proposed method maps the observed signals onto higher-dimensional space nonlinearly, and analyzes the covariance matrix there. The covariance matrix in the higher-dimensional space corresponds to the higher-order cross moment matrix in the original space of the observed signals. Since the dimensionality of the noise subspace is increased by the mapping, the proposed method achieves higher resolution of DOA estimation than the standard MUSIC, and also achieves the ability to estimate DOAs in underdetermined conditions. We compared the property of the proposed method with the conventional 2q-MUSIC utilizing higher-order cumulants theoretically and experimentally. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | underdetermined DOA estimation / microphone array / MUSIC / higher-order statistics / covariance matrix / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 76, EA2012-41, pp. 49-54, June 2012. | |
| Paper # | EA2012-41 | |
| Date of Issue | 2012-06-01 (EA) | |
| 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 | EA2012-41 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2012-06-08 - 2012-06-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yamaha Co. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2012-06-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Underdetermined DOA estimation by the non-linear MUSIC based on higher-order moment analysis |
| Sub Title (in English) | |
| Keyword(1) | underdetermined DOA estimation |
| Keyword(2) | microphone array |
| Keyword(3) | MUSIC |
| Keyword(4) | higher-order statistics |
| Keyword(5) | covariance matrix |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuya Sugimoto |
| 1st Author's Affiliation | University of Tsukuba (Univ. Tsukuba) |
| 2nd Author's Name | Shigeki Miyabe |
| 2nd Author's Affiliation | University of Tsukuba (Univ. Tsukuba) |
| 3rd Author's Name | Takeshi Yamada |
| 3rd Author's Affiliation | University of Tsukuba (Univ. Tsukuba) |
| 4th Author's Name | Shoji Makino |
| 4th Author's Affiliation | University of Tsukuba (Univ. Tsukuba) |
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| Speaker | Author-1 |
| Date Time | 2012-06-08 14:05:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2012-41 |
| Volume (vol) | vol.112 |
| Number (no) | no.76 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2012-06-01 (EA) |
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