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| Presentation | 2008-10-31 17:30 A Study on The Suppression Method of Undesired Wave in Digital TV-based Bistatic Radar Junji Asada, Iwao Sasase (Keio Univ.)  SANE2008-62 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the bistatic radar using broadcasting waves, the sidelobes of the undesired waves can not be ignored compared to the desired signals. This means suppressing the undesired waves plays an important role to improve the radar performance. As the conventional methods, the adaptive filter with NLMS(Normalized Least Mean Square) and the sidelobe canceller are used for suppression. In former method, it has the problems which relate to the convergence time and the degradation of the target signal when the tap length is larger than the target delay. In latter method, it is difficult to suppress precisely without delay times measured with high resolution. In conventional method, the delay times are estimated by the cross-correlation between reference and undesired signals. This resolution is limited by the bandwidth of the signal, which does not always satisfy required resolution. In this paper, we estimate the delays of the undesired waves with MUSIC using SP (Scattered Pilot) signals included in broadcasting. We make the replica of the undesired waves by considering the delays and bandlimitation. We suppress the undesired waves by subtracting the replica from noisy received signals including both the desired and the undesired signals. We show the computational simulation results with comparing the conventional method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Bistatic Radar / Broadcasting wave / Suppression / MUSIC / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 267, SANE2008-62, pp. 53-58, Oct. 2008. | |
| Paper # | SANE2008-62 | |
| Date of Issue | 2008-10-24 (SANE) | |
| 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 | SANE2008-62 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2008-10-31 - 2008-10-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | ISAS:Sagamihara campus (JAXA) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Astronautical science, satellite technology, and general |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2008-10-SANE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on The Suppression Method of Undesired Wave in Digital TV-based Bistatic Radar |
| Sub Title (in English) | |
| Keyword(1) | Bistatic Radar |
| Keyword(2) | Broadcasting wave |
| Keyword(3) | Suppression |
| Keyword(4) | MUSIC |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Junji Asada |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Iwao Sasase |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-10-31 17:30:00 |
| Presentation Time | 25 minutes |
| Registration for | SANE |
| Paper # | SANE2008-62 |
| Volume (vol) | vol.108 |
| Number (no) | no.267 |
| Page | pp.53-58 |
| #Pages | 6 |
| Date of Issue | 2008-10-24 (SANE) |
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