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Paper Abstract and Keywords
Presentation 2022-06-23 10:30
1-D Circular Near Field to Far Field Radar Cross Section Transformation by Using a Weight Function Based on Cylindrical Wave Expansion
Yoshihiko Akamine, Takashi Tomura, Joro Hirokawa (Titech) EMT2022-2
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a new near field to far field transformation method for radar cross section measure ments with a one-dimensional circular measurement system. The new method is based on the Born approximation and has advantages of: (1) single frequency measurement, (2) computational efficiency, (3) applicable in the near region closer than the Fresnel region, and (4) ease of implementation in programming code. Algorithm of the method has three simple steps: (1) inverse Fourier transformation (FT) is implemented with measurements of near field samples, (2) the samples with inverse FT is multiplied by a weight function, and (3) far field is estimated by implementing the FT of the weighted samples. Results of the proposed method are compared with existing methods by numerical simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Radar Cross Section / Near Field to Far Field Transformation / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 87, EMT2022-2, pp. 7-12, June 2022.
Paper # EMT2022-2 
Date of Issue 2022-06-16 (EMT) 
ISSN 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 EMT2022-2

Conference Information
Committee EMT IEE-EMT  
Conference Date 2022-06-23 - 2022-06-23 
Place (in Japanese) (See Japanese page) 
Place (in English) The Institute of Electrical Engineers of Japan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Electromagnetic Theory, etc. 
Paper Information
Registration To EMT 
Conference Code 2022-06-EMT-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 1-D Circular Near Field to Far Field Radar Cross Section Transformation by Using a Weight Function Based on Cylindrical Wave Expansion 
Sub Title (in English)  
Keyword(1) Radar Cross Section  
Keyword(2) Near Field to Far Field Transformation  
1st Author's Name Yoshihiko Akamine  
1st Author's Affiliation Tokyo Institute of Technology (Titech)
2nd Author's Name Takashi Tomura  
2nd Author's Affiliation Tokyo Institute of Technology (Titech)
3rd Author's Name Joro Hirokawa  
3rd Author's Affiliation Tokyo Institute of Technology (Titech)
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Speaker Author-1 
Date Time 2022-06-23 10:30:00 
Presentation Time 25 minutes 
Registration for EMT 
Paper # EMT2022-2 
Volume (vol) vol.122 
Number (no) no.87 
Page pp.7-12 
Date of Issue 2022-06-16 (EMT) 

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