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Paper Abstract and Keywords
Presentation 2014-06-12 12:30
Evaluation of Ranging Error Fluctuation Caused by Baiu-front Movement using Ray-tracing
Atsushi Kezuka, Takayuki Yoshihara, Susumu Saito, Naoki Fujii (ENRI) AP2014-40
Abstract (in Japanese) (See Japanese page) 
(in English) GNSS is widely used in aircraft navigation. On the other hand, APNT (Alternate Position, Navigation and Timing) is required to know an own position in case of GNSS signal losses. One of the candidates is a DME/DME positioning system which uses 2 stations of legacy DME (Distance Measurement Equipment). However, high accuracy position measurement is required for APNT, because it should replace the GNSS. So, some improvements should be required for legacy DME. Many researches have been conducted in recent years. One of the error factors is atmospheric propagation delay which is caused by tropospheric propagation. Though correction of a nominal component in atmospheric delay is not difficult with an error correction model, it is difficult to correct fluctuations of the ranging errors caused by changes of meteorological phenomena. The fluctuations should be clarified in order to estimate the accuracy of APNT. This report shows the amount of the ranging errors caused by the meteorological phenomena. At first, this report shows the fluctuation caused by changings of air masses.
Keyword (in Japanese) (See Japanese page) 
(in English) GNSS loss / APNT / DME / DME/DME / Atmospheric propagation delay / Baiu-front / Ray-tracing /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 76, AP2014-40, pp. 1-5, June 2014.
Paper # AP2014-40 
Date of Issue 2014-06-05 (AP) 
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 AP2014-40

Conference Information
Committee AP  
Conference Date 2014-06-12 - 2014-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-06-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Ranging Error Fluctuation Caused by Baiu-front Movement using Ray-tracing 
Sub Title (in English)  
Keyword(1) GNSS loss  
Keyword(2) APNT  
Keyword(3) DME  
Keyword(4) DME/DME  
Keyword(5) Atmospheric propagation delay  
Keyword(6) Baiu-front  
Keyword(7) Ray-tracing  
Keyword(8)  
1st Author's Name Atsushi Kezuka  
1st Author's Affiliation Electronic Navigation Research Institute (ENRI)
2nd Author's Name Takayuki Yoshihara  
2nd Author's Affiliation Electronic Navigation Research Institute (ENRI)
3rd Author's Name Susumu Saito  
3rd Author's Affiliation Electronic Navigation Research Institute (ENRI)
4th Author's Name Naoki Fujii  
4th Author's Affiliation Electronic Navigation Research Institute (ENRI)
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Speaker Author-1 
Date Time 2014-06-12 12:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2014-40 
Volume (vol) vol.114 
Number (no) no.76 
Page pp.1-5 
#Pages 5 
Date of Issue 2014-06-05 (AP) 

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