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| Presentation | 2015-11-06 13:35 A Study on Relationship between Rain Area Velocities and Rain Attenuation Observations at 3 Locations in Ku-Band Satellite Communications Links Yasuyuki Maekawa, Naoki Kubota, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.)  SAT2015-61 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links are estimated from the broadcast satellite (BS) signal levels simultaneously obtained at Osaka Electro-Communication University (Neyagawa, Osaka), Research Institute of Sustainable Humanosphere of Kyoto University (Kyoto, Uji), and Shigaraki MU Observatory (Shiga, Koga). The speeds and directions of rain area motion are compared with those of rain fronts obtained from image analyses of real time weather charts published in the website by Japan Meteorological Agency for 112 rainfall events during the years of 2007-2012. In the case of warm and cold fronts, the speeds and directions of the rain area motions estimated from the BS signal observations are comparatively in good agreement with those of rain fronts obtained from the real time weather charts of the website. In the case of stationary fronts, however, the speeds of the rain area motions by the BS signals are much slower than the speeds of rain front motions by the real time weather charts, while the directions of the rain area motions are still in fairly good agreement with the directions of the rain front motions by the website. So, the information of real time weather charts that is readily obtained from websites compared with those printed in newspapers seem to be useful for more effective operation of site diversity techniques in a number of earth stations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Satellite communications / Rain attenuation / Ku band / Rain area motion / Rain fronts / Real time weather charts / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 287, SAT2015-61, pp. 75-78, Nov. 2015. | |
| Paper # | SAT2015-61 | |
| Date of Issue | 2015-10-28 (SAT) | |
| 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 | SAT2015-61 |
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| Conference Information | |
| Committee | AP RCS WPT SAT |
| Conference Date | 2015-11-04 - 2015-11-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Prefectural Museum & Art Museum |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2015-11-AP-RCS-WPT-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Relationship between Rain Area Velocities and Rain Attenuation Observations at 3 Locations in Ku-Band Satellite Communications Links |
| Sub Title (in English) | |
| Keyword(1) | Satellite communications |
| Keyword(2) | Rain attenuation |
| Keyword(3) | Ku band |
| Keyword(4) | Rain area motion |
| Keyword(5) | Rain fronts |
| Keyword(6) | Real time weather charts |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yasuyuki Maekawa |
| 1st Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Commun. Univ.) |
| 2nd Author's Name | Naoki Kubota |
| 2nd Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Commun. Univ.) |
| 3rd Author's Name | Yoshiaki Shibagaki |
| 3rd Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Commun. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-11-06 13:35:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2015-61 |
| Volume (vol) | vol.115 |
| Number (no) | no.287 |
| Page | pp.75-78 |
| #Pages | 4 |
| Date of Issue | 2015-10-28 (SAT) |
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