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Paper Abstract and Keywords
Presentation 2013-01-24 16:00
Ocean Surface Current Radar Resolution Improvement by the Khatri-Rao Product Array Processing
Naoki Ozawa, Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.), Keizo Hirano, Hiroyuki Ito (Nagano Japan Radio) SANE2012-136
Abstract (in Japanese) (See Japanese page) 
(in English) Ocean surface current radar is a Doppler radar to observe oceanographic information using the Bragg scattering resonance mechanism.
In this paper, we consider angular resolution improvement of the radar. The radar employs an antenna array with FMICW operation, then it can resolve
angular distribution by Digital Beam Forming (DBF) and distance by Fourier transform of the beat signal obtained by the FMICW radar.
In order to obtain sufficient angular resolution, large array length or aperture with increasing the number of elements is needed, that is often difficult to realize in the HF/VHF ocean surface current radar.
In this paper we propose to apply the Khatri-Rao (KR) product array processing to the radar.
To verify effectiveness of the KR product array processing in angular resolution enhancement for the ocean surface current radar, we apply the KR product array to actual experimental data set of the radar, and show that the method is available to angular resolution enhancement and Doppler spectrum improvement.
Keyword (in Japanese) (See Japanese page) 
(in English) Ocean Surface Current Radar / DOA estimation / Khatri-Rao product / Resolution Improvement / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 391, SANE2012-136, pp. 55-60, Jan. 2013.
Paper # SANE2012-136 
Date of Issue 2013-01-17 (SANE) 
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 SANE2012-136

Conference Information
Committee SANE  
Conference Date 2013-01-24 - 2013-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Prefectural Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Positioning, navigation and general 
Paper Information
Registration To SANE 
Conference Code 2013-01-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Ocean Surface Current Radar Resolution Improvement by the Khatri-Rao Product Array Processing 
Sub Title (in English)  
Keyword(1) Ocean Surface Current Radar  
Keyword(2) DOA estimation  
Keyword(3) Khatri-Rao product  
Keyword(4) Resolution Improvement  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Naoki Ozawa  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Hiroyoshi Yamada  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yoshio Yamaguchi  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Keizo Hirano  
4th Author's Affiliation Nagano Japan Radio Co., Ltd. (Nagano Japan Radio)
5th Author's Name Hiroyuki Ito  
5th Author's Affiliation Nagano Japan Radio Co., Ltd. (Nagano Japan Radio)
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Speaker Author-1 
Date Time 2013-01-24 16:00:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2012-136 
Volume (vol) vol.112 
Number (no) no.391 
Page pp.55-60 
#Pages 6 
Date of Issue 2013-01-17 (SANE) 

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