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Paper Abstract and Keywords
Presentation 2021-10-07 13:00
[Poster Presentation] Far field estimation from a single hemispherical near field amplitude by the PR method using an appropriate initial phase information
Yusuke Mitsui, Hiroyuki Arai (Yokohama National Univ.) AP2021-79
Abstract (in Japanese) (See Japanese page) 
(in English) The characteristics of an antenna are determined by the far field and several kinds of the near field to far field transformation have been proposed. The phase-less source reconstruction method is useful in high frequency bands, and we investigate the far field estimation using only the amplitude data on a single hemispherical surface. Based on the relationship between the amplitude and phase of the near field data, we propose to use the initial phase distributions in the Phase Retrieval (PR) method to reconstruct the source information. By introducing this relationship, the far field estimation can be achieved in high accuracy. This paper presents our proposed algorithm and verify it by the simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) near field to far field estimation / inverse problem / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 191, AP2021-79, pp. 49-50, Oct. 2021.
Paper # AP2021-79 
Date of Issue 2021-09-30 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 AP2021-79

Conference Information
Committee AP  
Conference Date 2021-10-07 - 2021-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2021-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Far field estimation from a single hemispherical near field amplitude by the PR method using an appropriate initial phase information 
Sub Title (in English)  
Keyword(1) near field to far field estimation  
Keyword(2) inverse problem  
1st Author's Name Yusuke Mitsui  
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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Date Time 2021-10-07 13:00:00 
Presentation Time 75 
Registration for AP 
Paper # IEICE-AP2021-79 
Volume (vol) IEICE-121 
Number (no) no.191 
Page pp.49-50 
#Pages IEICE-2 
Date of Issue IEICE-AP-2021-09-30 

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