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| Presentation | 2008-01-24 10:30 Direction of Arrivals Estimation of Coherent Signal Waves Using Interpolated ESPRIT in Thinning Array Antenna Yuki Hamana, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT)  AP2007-134 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is difficult to estimate DOA(Direction-of-Arrival) of coherent signal waves by SSP(Spatial Smoothing Preprocessing) and ESPRIT with a non-uniform linear array antenna which is not able to be devided to sub-array satisfied shift invariance. For this problem, it has been proposed that SSP and Interpolated ESPRIT which converts real array data to virtual array data by an interpolation matrix and the virtual array data corresponds to one of sub-array data satisfied the shift invariance. However, SSP and Interpolated ESPRIT using virtual array have two problems. First, it is necessary to estimate a rough DOA in advance to product a virtual array. Second, an estimate accuracy of DOA drop so that SSP by virtual sub-array colors AWGN. In this study, we consider thinning array antanna. For the first problem, we have proposed zero-interpolated estimation and showed that enough rough DOA estimate accuracy can be achieved. For the second problem, we have proposed NR(Noise-Removal) and showed that RMSE performance can be improved. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | DOA Estimation / ESPRIT / Spatial Smoothing / Coherent Signal Waves / Virtual Array / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 431, AP2007-134, pp. 69-74, Jan. 2008. | |
| Paper # | AP2007-134 | |
| Date of Issue | 2008-01-16 (AP) | |
| 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 | AP2007-134 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2008-01-23 - 2008-01-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tyeruru.(Naha) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2008-01-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Direction of Arrivals Estimation of Coherent Signal Waves Using Interpolated ESPRIT in Thinning Array Antenna |
| Sub Title (in English) | |
| Keyword(1) | DOA Estimation |
| Keyword(2) | ESPRIT |
| Keyword(3) | Spatial Smoothing |
| Keyword(4) | Coherent Signal Waves |
| Keyword(5) | Virtual Array |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Hamana |
| 1st Author's Affiliation | Tokyo Univercity of Agriculture and Technology (TUAT) |
| 2nd Author's Name | Kenta Umebayashi |
| 2nd Author's Affiliation | Tokyo Univercity of Agriculture and Technology (TUAT) |
| 3rd Author's Name | Yukihiro Kamiya |
| 3rd Author's Affiliation | Tokyo Univercity of Agriculture and Technology (TUAT) |
| 4th Author's Name | Yasuo Suzuki |
| 4th Author's Affiliation | Tokyo Univercity of Agriculture and Technology (TUAT) |
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| Speaker | Author-1 |
| Date Time | 2008-01-24 10:30:00 |
| Presentation Time | 20 minutes |
| Registration for | AP |
| Paper # | AP2007-134 |
| Volume (vol) | vol.107 |
| Number (no) | no.431 |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2008-01-16 (AP) |
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