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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 25  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, KOSST 2022-10-06
16:05
Fukuoka
(Primary: On-site, Secondary: Online)
Recent increase in rain attenuation statistics of Ku-band satellite communications links and its relation to the climate change
Shoya Funo, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2022-47
Rain attenuation statistics of the Ku-band BS radio wave (11.84 GHz) measured over 30 years at Osaka Electro-Communicati... [more] SAT2022-47
pp.16-19
SAT 2021-10-08
11:00
Online Online Relationship between rain attenuation characteristics and rain area distribution on the propagation path of satellite communications links
Yasuyuki Maekawa,, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-49
Rain attenuation characteristics due to the passage of rain areas are discussed using the Ku-band BS satellite signal ob... [more] SAT2021-49
pp.32-35
RCS, SAT
(Joint)
2021-08-27
10:30
Online Online [Encouragement Talk] The effects of upper air rain area velocities on the rain attenuation characteristics in satellite communications links
Yasuyuki Maelawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-34
Rain attenuation characteristics due to rain area motion associated with rain front passage are investigated for the equ... [more] SAT2021-34
pp.33-36
SAT 2020-12-11
09:25
Online Online Rainfall Attenuation Characteristics due to Typhoon and Rain Front Passage in Satellite Communications Links
Yasuyuki Maekawa, Shunichi Sasaki, Kosuke Yamasaki, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2020-24
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] SAT2020-24
pp.7-12
US, EA
(Joint)
2018-01-24
15:35
Osaka   Uncertainty of elastic wave velocity measured by Brillouin light scattering technique
Hayato Ichihashi, Hiromichi Hayashi, Yoshiaki Shibagaki, Mami Matsukawa (Doshisha Univ.) US2017-111 EA2017-92
 [more] US2017-111 EA2017-92
pp.157-162(US), pp.53-58(EA)
SAT 2017-10-26
15:15
Okinawa Okinawa Cellular Telephone Company Yearly Variation of Rain Attenuation Characteristics of Ku-Band Satellite Communications Links in the Tropical Region
Yasuyuki Maekawa, Yu Nishimura, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2017-45
Four-year rain attenuation statistics from January 2003 to September 2006 are obtained for both up and down links of Ku-... [more] SAT2017-45
pp.51-54
AP, SAT, SANE
(Joint)
2017-07-27
11:00
Aichi Nagoya Institute of Technology A Study on Rain Attenuation Characteristics of Ku-Band Up- and Down-Link Satellite Communications in the Tropical Region
Yu Nishimura, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.-Commun. Univ.) AP2017-54 SAT2017-10
Four-year rain attenuation statistics from January 2003 to September 2006 are obtained for both up and down links of Ku-... [more] AP2017-54 SAT2017-10
pp.51-54(AP), pp.23-26(SAT)
AP, SAT, SANE
(Joint)
2017-07-27
11:25
Aichi Nagoya Institute of Technology A Study on Relationship between Ground Wind Velocity around the Earth Station and Rain Attenuation Observation at 3 Locations in Ku-Band Satellite Communications Links
Asuka Ikunami, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2017-55 SAT2017-11
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] AP2017-55 SAT2017-11
pp.55-58(AP), pp.27-30(SAT)
US 2016-07-29
15:45
Fukuoka Chikushi Campus, Kyushu University Ultrasonic wave velocity in articular cartilages measured by micro-Brillouin scattering
Mami Kawase, Yoshiaki Shibagaki, Shota Tomita, Shunki Mori, Mami Matsukawa (Doshisha Univ.) US2016-35
Hypersonic wave velocity in the articular cartilage of bovine femur was experimentally studied by a Brillouin scattering... [more] US2016-35
pp.19-22
SAT, WBS
(Joint)
2016-05-20
12:10
Aichi Nagoya Institute of Technology A Study on Relationship between Rain Front and Rain Area Velocities and Rain Attenuation Observation at 3 Locations in Ku-Band Satellite Communications Links
Naoki Kubota, Yasuyuki Maekawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2016-10
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] SAT2016-10
pp.53-56
AP, RCS, WPT, SAT
(Joint)
2015-11-06
13:35
Okinawa Okinawa Prefectural Museum & Art Museum 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
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] SAT2015-61
pp.75-78
SAT 2015-10-08
16:10
Osaka Osaka University Nakanoshima Center Relationship between Rain Attenuation Characteristics of Ku-Band Satellite Communications Links and Convective Rain Cloud Distribution in Tropical Region
Keigo Takemoto, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2015-45
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] SAT2015-45
pp.167-170
SAT 2015-10-08
16:35
Osaka Osaka University Nakanoshima Center Characteristics of Rain Attenuation Time Durations of Ku-Band Satellite Communications Links in Tropical Region
Akihiro Tama, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2015-46
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] SAT2015-46
pp.171-174
AP 2015-07-30
11:00
Hokkaido Wakkanai Sougou Bunka Center Relationship between Rain Cloud Motion along the Propagation Path and Ground Wind Velocity around the Earth Station in Ku-Band Satellite Communications Links
Yasuyuki Maekawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) AP2015-41
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] AP2015-41
pp.11-14
AP 2014-05-30
09:45
Okinawa Okinawa Industory Support Center Relationship between Rain Attenuation Duration Time of Ku-Band Satellite Communications Links and Speeds of Rain Area Motion in Equatorial Region
Yasuyuki Maekawa, Keigo Takemoto, Akihiro Tama, Yoshiaki Shibagaki (Osaka Electro-Comm. Univ.) AP2014-29
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] AP2014-29
pp.59-62
AP
(2nd)
2014-05-15
- 2014-05-16
Ishikawa The Kanazawa Theatre Effects of rain clouds in the wet season on the Ku-band satellite communications links in the tropical region
Akihiro Tama, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Rain attenuation characteristics of Ku-band satellite communications links are investigated in the wet season of the tro... [more]
AP
(2nd)
2014-05-15
- 2014-05-16
Ishikawa The Kanazawa Theatre Effects of rain clouds in the dry season on the Ku-band satellite communications links in the tropical region
Keigo Takemoto, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Rain attenuation characteristics of Ku-band satellite communications inks are investigated in the dry season of the trop... [more]
AP 2014-01-24
09:30
Kagoshima Hozan Hall (Kagoshima Prefectural Culture Center) A study on the effects of rain area motion and ground wind velocity on rain attenuation characteristics in Ku-band satellite communications links
Yasuyuki Maekawa, Yutaka Inamori, Takashi Harada, Yoshiaki Shibagaki (Osaka Electro-Comm. Univ.) AP2013-159
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] AP2013-159
pp.147-150
SAT 2013-10-25
16:50
Fukuoka IP CITY HOTEL Fukuoka A Study on the Effects of Ground and Upper Atmospheric Wind Speed on Rain Attenuation Characteristics in Ku-Band Satellite Communications Links
Yasuyuki Maekawa, Yutaka Inamori, Takashi Harada, Yoshiaki Shibagaki (Osaka Electro-Com. Univ.) SAT2013-49
Velocities of the motion of rain areas that cause the attenuation of Ku-band satellite communications links are estimate... [more] SAT2013-49
pp.167-170
AP, SAT
(Joint)
2013-07-24
09:30
Hokkaido Sun Refre Hakodate A study on effects of site diversity techniques on the rain attenuation in Ku-band satellite communications links according to the kind of rain fronts
Yasuyuki Maekawa, Yoshiaki Shibagaki, Yomoyuki Takami (Osaka Electro-Comm. Univ.) AP2013-53
The effects of site diversity techniques on Ku-band rain attenuation are investigated using two sets of simultaneous sa... [more] AP2013-53
pp.37-42
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