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| Presentation | 2008-05-16 10:00 The Pattern Measurement Method of VHF Antenna in Small Anechoic Chamber Jun Yaezawa, Hiroyuki Arai (Yokohama National Univ.)  AP2008-18 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we present the validity of near-field antenna measurement to estimate the far-field radiation pattern at VHF band by calculating a correlation and RMS (Root Mean Square) between far- and near-field pattern. The far-field pattern measurement at VHF band require a huge measurement space and is not easy to set up inside a room. We show that a near-field complex pattern has high correlation and low error for the far-field pattern under small anechoic chamber using monopole antenna on a finite perfect ground plane and present a relationship between ground plane size and measurement distance for the VHF band measurement. In addition, we calculate the maximum and average gain using complex pattern to show the validity of evaluation with the correlation and RMS. We also verify a mutual coupling between received and transmitted antennas is almost ignored in the near-field pattern measurement. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | pattern measurement / far-field / near-field / correlation / RMS / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 30, AP2008-18, pp. 41-46, May 2008. | |
| Paper # | AP2008-18 | |
| Date of Issue | 2008-05-08 (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 | AP2008-18 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2008-05-15 - 2008-05-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Sasebo national college of technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2008-05-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The Pattern Measurement Method of VHF Antenna in Small Anechoic Chamber |
| Sub Title (in English) | |
| Keyword(1) | pattern measurement |
| Keyword(2) | far-field |
| Keyword(3) | near-field |
| Keyword(4) | correlation |
| Keyword(5) | RMS |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Jun Yaezawa |
| 1st Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 2nd Author's Name | Hiroyuki Arai |
| 2nd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-05-16 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2008-18 |
| Volume (vol) | vol.108 |
| Number (no) | no.30 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2008-05-08 (AP) |
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