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Paper Abstract and Keywords
Presentation 2011-10-06 13:05
Analysis of Boundary between Near and Far Fields for Car Antennas in UHF Band
Ryosuke Aoyama, Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.), Hiroshi Kuribayashi, Satoru Komatsu (Honda R&D Co., Ltd.) EST2011-64
Abstract (in Japanese) (See Japanese page) 
(in English) The directivity of a car antenna is changed by the car shape, the ground, frequency, antenna type and position. Therefore, it is indispensable to know the directivity of an antenna mounted on the car. In the directivity measurement, it is very important to grasp the boundary between near and far fields, and the error of directivity at a finite distance because the directivity is defined at the far field region. By the way, the car antenna in UHF band is recently necessary for the transition to terrestrial digital broadcasting. In this paper, the distance dependence of directivity has been analyzed to clarify the boundary between near and far fields for car antennas in UHF band. The FDTD method is used as the analysis method.
Keyword (in Japanese) (See Japanese page) 
(in English) Car / Antenna / Far field / Directivity / UHF band / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 224, EST2011-64, pp. 1-4, Oct. 2011.
Paper # EST2011-64 
Date of Issue 2011-09-29 (EST) 
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 EST2011-64

Conference Information
Committee EST  
Conference Date 2011-10-06 - 2011-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Prefectural Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EST 
Conference Code 2011-10-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Boundary between Near and Far Fields for Car Antennas in UHF Band 
Sub Title (in English)  
Keyword(1) Car  
Keyword(2) Antenna  
Keyword(3) Far field  
Keyword(4) Directivity  
Keyword(5) UHF band  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryosuke Aoyama  
1st Author's Affiliation Kitami Institute of Technology (Kitami Inst. of Tech.)
2nd Author's Name Suguru Imai  
2nd Author's Affiliation Kitami Institute of Technology (Kitami Inst. of Tech.)
3rd Author's Name Kenji Taguchi  
3rd Author's Affiliation Kitami Institute of Technology (Kitami Inst. of Tech.)
4th Author's Name Tatsuya Kashiwa  
4th Author's Affiliation Kitami Institute of Technology (Kitami Inst. of Tech.)
5th Author's Name Hiroshi Kuribayashi  
5th Author's Affiliation Honda R&D Co., Ltd. (Honda R&D Co., Ltd.)
6th Author's Name Satoru Komatsu  
6th Author's Affiliation Honda R&D Co., Ltd. (Honda R&D Co., Ltd.)
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Speaker Author-1 
Date Time 2011-10-06 13:05:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EST2011-64 
Volume (vol) vol.111 
Number (no) no.224 
Page pp.1-4 
#Pages 4 
Date of Issue 2011-09-29 (EST) 

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