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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 51件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT 2019-10-11
09:00
Fukuoka JR HAKATA CITY {10F RoomA+B} Rain Attenuation Characteristics due to Typhoon Passage in Ku-band Satellite Links
Shunichi Sasaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2019-56
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] SAT2019-56
pp.51-54
SAT 2019-10-11
09:50
Fukuoka JR HAKATA CITY {10F RoomA+B} A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links
Kosuke Yamasaki, Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) SAT2019-57
A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from l... [more] SAT2019-57
pp.61-64
AP 2018-10-18
15:05
Okayama Okayama Univ. [Special Talk] Studies on Radiowave Propagation and Remote Sensing -- Experiencing both Research Fields --
Yasuyuki Maekawa (OECU)
 [more]
SAT, RCS
(Joint)
2018-08-09
09:30
Iwate Iwate University [Encouragement Talk] Characteristic Variations of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2018-29
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] SAT2018-29
pp.7-10
SAT, WBS
(Joint)
2018-05-24
13:55
Kagoshima Kagoshima University Recent Increasing Trend in Rain Attenuation Statistics of Ku-Band Satellite Communications Links
Yasuyuki Maekawa (Osaka Electro-Commun. Univ) SAT2018-3
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] SAT2018-3
pp.11-14
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
SAT 2017-10-26
15:40
Okinawa Okinawa Cellular Telephone Company Recent Tendencies of Increase in Yearly Cumulative Time Percentages of Rain Attenuation in Ku-Band Satellite Communications Links
Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2017-46
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] SAT2017-46
pp.55-58
AP 2017-10-19
14:25
Aomori Hchinohe-Shoukou-Kaikan Statistical Analyses of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2017-96
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-96
pp.11-14
AP, SAT, SANE
(Joint)
2017-07-27
10:35
Aichi Nagoya Institute of Technology Estimation of Cross-Polarization Discrimination Degradation of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) AP2017-53 SAT2017-9
Increase and decrease of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused... [more] AP2017-53 SAT2017-9
pp.47-50(AP), pp.19-22(SAT)
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)
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University Characteristics of Rapid Change in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun. Univ.)
Characteristics of rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by th... [more]
AP 2017-04-20
15:15
Osaka Osaka university Relationship between Tropospheric Scintillation and Atmospheric Turbulence in High Elevation Angle Satellite Communications Links
Yasuyuki Maekawa (Osaka Electro-Comun. Univ.) AP2017-9
Variations of Ku-band satellite signal level with periods from a few to a few ten minutes caused by tropospheric scintil... [more] AP2017-9
pp.47-50
AP, WPT
(Joint)
2017-01-19
13:20
Hiroshima Hiroshima Institute of Technology Estimation of Changes in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Lightning Discharges
Yasuyuki Maekawa (Osaka Electro-Commun, Univ.) AP2016-131
Rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by thunder- storm events... [more] AP2016-131
pp.13-16
AP, SAT, SANE
(Joint)
2016-07-22
10:20
Hokkaido Otaru port marina Long-term Statistics of Changes in Cross-Polarization Discrimination of Ka-band Satellite Communication Signals due to Thunderstorm
Yasuyuki Maekawa (Osaka Eletcro-Com. Univ.) AP2016-57 SAT2016-23
Rapid changes in cross-polarization discrimination (XPD) of Ka-band satellite radio wave caused by thunder- storm events... [more] AP2016-57 SAT2016-23
pp.115-118(AP), pp.69-72(SAT)
AP, SAT, SANE
(Joint)
2016-07-22
10:55
Hokkaido Otaru port marina Long-term Statistics of Rain Attenuation and Their Recent Trend in Ku-Band Satellite Communications Links
Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Com. Univ.) AP2016-58 SAT2016-24
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] AP2016-58 SAT2016-24
pp.119-122(AP), pp.73-76(SAT)
AP 2016-05-19
14:50
Hyogo kobe Univ. Long-term Yearly Variation of Rain Attenuation Statistics in Ku-Band Satellite Communications Links
Yasuyuki Maekawa, Hidemi Miura (Osaka Electro-Commun. Univ.) AP2016-20
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] AP2016-20
pp.23-26
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
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