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| Presentation | 2009-02-24 13:45 Moving targets detection using a coded acoustic signal in indoor environments Yugo Ito, Tadashi Yamaguchi (Chiba Univ.), Hiroyuki Hachiya (Tokyo Inst. of Tech.)  US2008-96 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In an indoor acoustic measurement, we examined detection characteristic of moving targets using a coded signal. The correlation gain of the reflected wave from a moving target decreases because of Doppler effect when we use M-sequence signal which is one of coded signals. When changing reference frequency, a correlation peak of a moving target becomes large, but the reflected signal from a fixed target gets mixed as correlation noise. We showed the reflected signal from a fixed target behaves as an environmental noise. The SN ratio and correlation gain were estimated quantitatively. When the reflected signal from a fixed target is large, the differential processing between consecutive received signals is effective to detect the reflected signal of the moving target. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | acoustic sensing / M-sequence signal / Doppler effect / moving target detection / PN code / acoustic imaging / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 436, US2008-96, pp. 17-22, Feb. 2009. | |
| Paper # | US2008-96 | |
| Date of Issue | 2009-02-17 (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 | US2008-96 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2009-02-24 - 2009-02-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NIHON DEMPA KOGYO CO.,LTD. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2009-02-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Moving targets detection using a coded acoustic signal in indoor environments |
| Sub Title (in English) | |
| Keyword(1) | acoustic sensing |
| Keyword(2) | M-sequence signal |
| Keyword(3) | Doppler effect |
| Keyword(4) | moving target detection |
| Keyword(5) | PN code |
| Keyword(6) | acoustic imaging |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yugo Ito |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Tadashi Yamaguchi |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Hiroyuki Hachiya |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2009-02-24 13:45:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2008-96 |
| Volume (vol) | vol.108 |
| Number (no) | no.436 |
| Page | pp.17-22 |
| #Pages | 6 |
| Date of Issue | 2009-02-17 (US) |
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