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Paper Abstract and Keywords
Presentation 2013-11-23 11:30
Investigation on 3D migration of non-gridded GPR data
Li Yi, Kazunori Takahashi, Motoyuki Sato (Tohoku Univ.) SANE2013-69
Abstract (in Japanese) (See Japanese page) 
(in English) This paper focuses on 3-dimensional (3D) migration of non-gridded ground penetrating radar (GPR) data. We acquired a gridded dataset in a sandpit with 2.5 cm interval, which meets the Nyquist spatial sampling criterion for an antenna of 500MHz center frequency. We applied non-gridded 3D migration after re-sampling the data in two different ways, i.e. re-sample in x- and/or y- directions, random pick a part of sampling points. Based on the results, we discuss the artifacts that caused by aliasing while reconstruct the 3D GPR image. For simple targets, it is possible to reconstruct the image with larger interval than that defined by the Nyquist spatial sampling criterion. The result indicates that it is possible to reduce the data density.
Keyword (in Japanese) (See Japanese page) 
(in English) Migration / Ground penetrating radar(GPR) / Migration aliasing / Non-gridded data / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 309, SANE2013-69, pp. 87-92, Nov. 2013.
Paper # SANE2013-69 
Date of Issue 2013-11-15 (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 2013-11-22 - 2013-11-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Hagi-hall(22), C for Northeast Asian Sudies(23), Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 12th workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2013-11-SANE 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on 3D migration of non-gridded GPR data 
Sub Title (in English)  
Keyword(1) Migration  
Keyword(2) Ground penetrating radar(GPR)  
Keyword(3) Migration aliasing  
Keyword(4) Non-gridded data  
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1st Author's Name Li Yi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kazunori Takahashi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Motoyuki Sato  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2013-11-23 11:30:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2013-69 
Volume (vol) vol.113 
Number (no) no.309 
Page pp.87-92 
#Pages
Date of Issue 2013-11-15 (SANE) 


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