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| Paper Abstract and Keywords | ||
| Presentation | 2008-04-17 15:45 A Study on Adaptive Recursive Filter Based on Lagrange-White's Algorithm Masaki Kobayashi, Chi Wang (Chubu Univ.)  SIP2008-12 IE2008-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a new adaptive recursive filter that has innovated the Lagrange multiplier method into the adaptive White’s algorithm. The adaptive White’s algorithm is known as a typical algorithm of the adaptive recursive filter in which the cost function is the output error. This algorithm is a recursive algorithm in which the gradient concerning the tap coefficient of the cost function is calculated almost accurately. However, this adaptive recursive filter has the problem that the plural local minimums exist even if the degree of the adaptive filter is greater than the degree of unknown system (exact model) and the input signal is a white signal. The purpose of this paper is to give a solution of this problem. The adaptive algorithm that minimizes the mean square value of the output error under the condition of the equality of the output power of the adaptive filter and the unknown system can converge to the optimum value when the Lagrange multiplier is zero. It is also verified that the local minimum can be avoided by the numerical simulation compared with the White’s algorithm. In addition, the influence of the near end noise is considered. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Local Minimum / Convergence Value / Lagrange Multiplier / Output Error / Adaptive Recursive Filter / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 3, SIP2008-12, pp. 67-72, April 2008. | |
| Paper # | SIP2008-12 | |
| Date of Issue | 2008-04-10 (SIP, IE) | |
| 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 | SIP2008-12 IE2008-12 |
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| Conference Information | |
| Committee | SIP IE |
| Conference Date | 2008-04-17 - 2008-04-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2008-04-SIP-IE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Adaptive Recursive Filter Based on Lagrange-White's Algorithm |
| Sub Title (in English) | |
| Keyword(1) | Local Minimum |
| Keyword(2) | Convergence Value |
| Keyword(3) | Lagrange Multiplier |
| Keyword(4) | Output Error |
| Keyword(5) | Adaptive Recursive Filter |
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| Keyword(8) | |
| 1st Author's Name | Masaki Kobayashi |
| 1st Author's Affiliation | Chubu University (Chubu Univ.) |
| 2nd Author's Name | Chi Wang |
| 2nd Author's Affiliation | Chubu University (Chubu Univ.) |
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| Speaker | Author-2 |
| Date Time | 2008-04-17 15:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SIP |
| Paper # | SIP2008-12, IE2008-12 |
| Volume (vol) | vol.108 |
| Number (no) | no.3(SIP), no.4(IE) |
| Page | pp.67-72 |
| #Pages | 6 |
| Date of Issue | 2008-04-10 (SIP, IE) |
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