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| Presentation | 2015-09-04 09:30 Feasibility of low-frequency ultrasound imaging using compressed parametric sound source Hideyuki Nomura, Hideo Adachi, Tomoo Kamakura (UEC)  US2015-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The penetration depth of high-frequency ultrasound is limited, since the ultrasound at high frequency is much attenuated by medium viscosity, and the available range of high-frequency ultrasound image becomes shallow. In this study, to resolve this problem, we propose low-frequency ultrasound imaging using compressed parametric sound sources. In order to verify the proposed imaging method, imaging of a brass rod as a target using the compressed parametric sound in water was attempted. A ring type transducer with the center hole was used to transmit modulated primary ultrasounds, and a hydrophone placed within the hole of transmitter was used to receive chirp-modulated parametric sound echoes generated from the nonlinear interaction of the emitted ultrasounds. After receiving parametric sound echo signals, a pulse compression technique was applied to the signals in order to improve the range resolution and signal-to-noise ratio. The obtained B mode images reveal the feasibility of low-frequency ultrasound imaging using compressed parametric sounds. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Acoustic imaging / Nonlinear sound propagation / Parametric sound source / Chirp signal / Pulse compression / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 207, US2015-54, pp. 47-50, Sept. 2015. | |
| Paper # | US2015-54 | |
| Date of Issue | 2015-08-27 (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 | US2015-54 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2015-09-03 - 2015-09-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2015-09-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Feasibility of low-frequency ultrasound imaging using compressed parametric sound source |
| Sub Title (in English) | |
| Keyword(1) | Acoustic imaging |
| Keyword(2) | Nonlinear sound propagation |
| Keyword(3) | Parametric sound source |
| Keyword(4) | Chirp signal |
| Keyword(5) | Pulse compression |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hideyuki Nomura |
| 1st Author's Affiliation | University of Electronic Communications (UEC) |
| 2nd Author's Name | Hideo Adachi |
| 2nd Author's Affiliation | University of Electronic Communications (UEC) |
| 3rd Author's Name | Tomoo Kamakura |
| 3rd Author's Affiliation | University of Electronic Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2015-09-04 09:30:00 |
| Presentation Time | 30 minutes |
| Registration for | US |
| Paper # | US2015-54 |
| Volume (vol) | vol.115 |
| Number (no) | no.207 |
| Page | pp.47-50 |
| #Pages | 4 |
| Date of Issue | 2015-08-27 (US) |
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