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Paper Abstract and Keywords
Presentation 2011-08-24 13:30
RCS Near-field to Far-field Transformation for Cylindrical Scanning
Hirokazu Kobayashi (Niigata Univ.), Andrey Osipov (DLR), Hirosuke Suzuki (KEYCOM) SANE2011-56
Abstract (in Japanese) (See Japanese page) 
(in English) When the scattering pattern of radar cross section (RCS) is measured, the characteristic is usually evaluated in the far-field area. In that case it is measured in the radio anechoic chamber to reduce unnecessary reflected wave and likely to deviate from the condition of the far-field according to the size or the measuring frequency. In this paper, we present a 3-dimension cylindrical scanning surface which is extended from an improved image-based circular near-field to far-field transformation (NF-FFT) developed recently by the authors for smaller measurement facilities and for large targets with pronounced scattering centers offset from the center of the imaging area. Scanning over a surface instead of a circle permits RCS estimations for targets whose size in the direction perpendicular to the measurement plane is comparable to their extension in the measurement plane. The approach consists in near-field imaging of the target, followed by integration of the image. The focusing operator, which is used to generate the image, is built in such a way so that the image of an electrically small PEC sphere is exactly the delta function.
Keyword (in Japanese) (See Japanese page) 
(in English) Near-field measurement / Radar cross section (RCS) / Cylindrical scanning / Radar reflectivity map / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 177, SANE2011-56, pp. 1-6, Aug. 2011.
Paper # SANE2011-56 
Date of Issue 2011-08-17 (SANE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee SANE  
Conference Date 2011-08-24 - 2011-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Environmental measurement and general 
Paper Information
Registration To SANE 
Conference Code 2011-08-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) RCS Near-field to Far-field Transformation for Cylindrical Scanning 
Sub Title (in English)  
Keyword(1) Near-field measurement  
Keyword(2) Radar cross section (RCS)  
Keyword(3) Cylindrical scanning  
Keyword(4) Radar reflectivity map  
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1st Author's Name Hirokazu Kobayashi  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Andrey Osipov  
2nd Author's Affiliation German Aerospace Center (DLR) (DLR)
3rd Author's Name Hirosuke Suzuki  
3rd Author's Affiliation KEYCOM Corporation (KEYCOM)
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Speaker Author-1 
Date Time 2011-08-24 13:30:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2011-56 
Volume (vol) vol.111 
Number (no) no.177 
Page pp.1-6 
#Pages
Date of Issue 2011-08-17 (SANE) 


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