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| Presentation | 2007-01-26 16:05 Method of Far Field Estimation Considering with Unevenness of Radiation Source Modeling Results Noriyuki Matuo, Yoshito Okubo, Nobuo Kuwabara (KIT), Masato Kawabata (Fukuoka Industrial Technology Center)  EMCJ2006-109 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The method have been studied to estimate radiated emission at distance of 10m by modeling the radiation source from the measured data at distance of 3m because the measurement facilities applied the measurement at distance of 10m is expensive. However, the deviation between the measured and estimated value became more than 10dB under a certain condition. In this report, we investigate how to improve the estimation accuracy considering that the deviation between the estimation and measurement value is changed by the trial, and the probability obtaining the small deviation is more prior than that of the large deviation. In the investigation, we have 100 trials at the 150 MHz where the large deviation appears. The investigation present the trial results is categorized by the two groups, where one group has the small deviation and the other group has the large deviation, and the percentages of the trials with the small deviation group are more than 70 percent. These results indicate that the measurement accuracy can be improved to select only the small deviation group. The method was applied to estimate the calculated field radiated from the imitated equipment. The results indicated that the maximum deviation reduced from 10dB to 5dB for the horizontal polarization in the frequency range of 100MHz to 200MHz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | CISPR / Far Field / Source Modeling / estimate radiated emission / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 508, EMCJ2006-109, pp. 63-68, Jan. 2007. | |
| Paper # | EMCJ2006-109 | |
| Date of Issue | 2007-01-19 (EMCJ) | |
| 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 | EMCJ2006-109 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2007-01-26 - 2007-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2007-01-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Method of Far Field Estimation Considering with Unevenness of Radiation Source Modeling Results |
| Sub Title (in English) | |
| Keyword(1) | CISPR |
| Keyword(2) | Far Field |
| Keyword(3) | Source Modeling |
| Keyword(4) | estimate radiated emission |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Noriyuki Matuo |
| 1st Author's Affiliation | Graduate School of Kyushu Institute of Technology (KIT) |
| 2nd Author's Name | Yoshito Okubo |
| 2nd Author's Affiliation | Graduate School of Kyushu Institute of Technology (KIT) |
| 3rd Author's Name | Nobuo Kuwabara |
| 3rd Author's Affiliation | Graduate School of Kyushu Institute of Technology (KIT) |
| 4th Author's Name | Masato Kawabata |
| 4th Author's Affiliation | Fukuoka Industrial Technology Center (Fukuoka Industrial Technology Center) |
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| Speaker | Author-1 |
| Date Time | 2007-01-26 16:05:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2006-109 |
| Volume (vol) | vol.106 |
| Number (no) | no.508 |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2007-01-19 (EMCJ) |
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