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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 26件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SAT
(Joint)
2019-08-22
09:50
Aichi Nagoya University 8K120Hz Transmission Experiment with 21GHz-band through Broadcast Satellite BSAT-4a
Yuki Koizumi, Yoichi Suzuki, Shinya Abe, Kazunori Yokohata, Hisashi Sujikai (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT) SAT2019-19
NHK conducted a wide-band transmission experiment with the 21GHz-band through broadcasting satellite BSAT-4a at NHK STRL... [more] SAT2019-19
pp.13-17
SANE, SAT
(Joint)
2019-02-14
10:50
Kagoshima Tanegashima Island 21-GHz Wide-band satellite transmission experiment with BSAT-4a broadcasting satellite
Yoichi Suzuki, Yuki Koizumi, Shinya Abe, Kazunori Yokohata (NHK), Susumu Nakazawa, Osamu Yamazaki (B-SAT), Hisashi Sujikai (NHK) SAT2018-76
To achieve the wide-band transmission for full-specification 8K Super Hi-Vision and Diverse Vision, a wide-band transmis... [more] SAT2018-76
pp.109-114
AP, SANE, SAT
(Joint)
2018-07-18
14:30
Hokkaido Hokkaido Univ. Prompt Report on Wide-band Transmission Experiment with 21-GHz band Broadcasting Satellite in NHK STRL OPEN HOUSE 2018
Yoichi Suzuki, Hisashi Sujikai, Yuki Koizumi, Masafumi Nagasaka, Masaaki Kojima, Atsushi Iwasaki, Shoji Tanaka (NHK), Susumu nakazawa, Osamu Yamazaki (B-SAT) SAT2018-14
 [more] SAT2018-14
pp.19-23
CS, IE, IPSJ-AVM, ITE-BCT [detail] 2017-11-30
14:35
Aichi Nagoya University Efforts toward Transmission Experiments Utilized 21-GHz Band Transponder of Broadcasting Satellite
Masafumi Nagasaka, Susumu Nakazawa, Hisashi Sujikai, Shoji Tanaka (NHK)
 [more]
AP 2017-04-21
09:30
Osaka Osaka university A Study on 12/21-GHz Dual-circularly Polarized Feed Antenna for Satellite Broadcasting Reception
Masafumi Nagasaka, Susumu Nakazawa, Atsushi Iwasaki, Shoji Tanaka (NHK) AP2017-12
NHK started test satellite broadcasting of UHDTV by using BS-17 transponder in August 2016, and practical broadcasting w... [more] AP2017-12
pp.59-64
AP, SAT, SANE
(Joint)
2016-07-22
09:55
Hokkaido Otaru port marina Relation between Interference and the Increase of Outage Time Caused by Rain Attenuation in the Beoadcasting Satellite link
Kazuyoshi Shogen (B-SAT), Susumu Nakazawa, Shoji Tanaka (NHK) AP2016-56 SAT2016-22
We have proposed to evaluate the impact of interference on the performance of BSS (Broadcasting Satellite Services) in t... [more] AP2016-56 SAT2016-22
pp.109-113(AP), pp.63-67(SAT)
SAT, SANE
(Joint)
2016-02-17
13:10
Hiroshima Hiroshima Institute of Technology Wideband Transmission Performance over Proto-type Transponder for 21GHz-band Broadcasting Satellite under Thermal Vacuum
Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Yoichi Suzuki, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka, Tomohiro Saito (NHK) SAT2015-74
We are studying a satellite broadcasting system using 21GHz-band (21.4-22.0GHz) to provide higher realistic sensation se... [more] SAT2015-74
pp.61-64
RCS, SAT
(Joint)
2015-08-17
12:10
Fukuoka Fukuoka Univ. 8K Super Hi-Vision Satellite Broadcasting Experiment in NHK STRL OPEN HOUSE 2015
Yoichi Suzuki, Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) SAT2015-13
 [more] SAT2015-13
pp.11-15
AP 2015-02-20
10:50
Hyogo Chusho-kigyou center at Amagasaki-City [Invited Lecture] A Study on Quad-band Shaped Reflector Antenna for Broadcasting Satellite
Susumu Nakazawa, Masafumi Nagasaka, Masashi Kamei, Shoji Tanaka (NHK), Hitoshi Nakagawa, Kazuyoshi Shogen (B-SAT) AP2014-201
 [more] AP2014-201
pp.81-84
AP, SAT
(Joint)
2014-07-25
10:55
Gifu Gero Citizen Hall A Study of Rain Attenuation on Short-term Rainfall in Some Points with Different Yearly Rainfall Rates -- A Basic Study for Compensation of Rain Attenuation by Locally Variable EIRP System for 21GHz-band Broadcasting Satellites --
Masashi Kamei, Susumu Nakazawa, Shoji Tanaka (NHK) AP2014-62 SAT2014-15
Satellite broadcasting in the band 21.4 - 22.0 GHz is expected to provide advanced broadcasting services such as UHDTV a... [more] AP2014-62 SAT2014-15
pp.79-83(AP), pp.17-21(SAT)
SAT, SANE
(Joint)
2014-02-20
15:20
Yamaguchi Hotel Kamefuku (Yamaguchi) A Study on Phase Detection of 21-GHz Band Broadcasting Satellite with Array-fed Reflector Antenna
Masafumi Nagasaka, Masashi Kamei, Susumu Nakazawa, Shoji Tanaka, Tetsuomi Ikeda (NHK) SAT2013-55
A 21-GHz band satellite broadcasting system is being studied as a means to achieve a large transmission capacity for del... [more] SAT2013-55
pp.29-34
AP, ITE-BCT 2013-02-07
10:00
Tokyo AIST Tokyo Waterfront Equalized Excitation Coefficient Distribution of Array-fed Shaped Reflector Antenna for 21-GHz Broadcasting Satellite
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka (NHK)
 [more]
MW
(Workshop)
2012-08-08
- 2012-08-10
Overseas Chulalongkorn University, Bangkok, Thailand Radiation Pattern of Array-fed Imaging Reflector Antenna in 21GHz-band
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK), Kazuyoshi Shogen (B-SAT)
In order to overcome the large rain attenuation, a reconfigurable antenna with an array-fed reflector is effective for t... [more]
AP, ITE-BCT 2012-02-10
13:25
Hiroshima NHK Hiroshima A Study on 12/21GHz Dual-Band Feed for Satellite Broadcasting Receiving Antenna
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK)
The 21GHz-band satellite broadcasting system is studied for transmission channels to deliver ultra high definition TV, 3... [more]
AP, ITE-BCT 2012-02-10
13:50
Hiroshima NHK Hiroshima Transmission Test Using a Deployable Mesh Reflector Antenna for Satellite News Gathering
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Yuji Ishidou, Hiroyuki Kondou (NHK)
 [more]
AP 2012-01-10
10:35
Okinawa Tenbusu Naha Radiation Pattern of Array-fed Imaging Reflector Antenna for 21GHz-band Satellite Broadcasting System
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK), Kazuyoshi Shogen (B-SAT) AP2011-128
In order to overcome the large rain attenuation in the 21GHz band, a reconfigurable antenna with an array-fed reflector ... [more] AP2011-128
pp.5-6
AP 2010-10-15
14:55
Iwate Iwate Univ. Simulation of Service Availbility for Satellite Broadcasting using 21-GHz band
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2010-87
Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signals. We have been studying rain fad... [more] AP2010-87
pp.79-84
AP 2010-05-14
11:25
Overseas Southeast Univ. Onboard Antennas and Simulation of Service Availability for 21-GHz Band Broadcasting Satellite
Susumu Nakazawa, Masafumi Nagasaka, Shoji Tanaka, Kazuyoshi Shogen (NHK) AP2010-29
Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signal by exploiting its wide bandwidth... [more] AP2010-29
pp.87-92
AP, SAT
(Joint)
2008-07-25
11:45
Hokkaido Hokkaido University A Study on the Effect of Rain Fading Mitigation Technique for 21-GHz Band Satellite Broadcasting System -- In Case of A Phased Array Antenna Configuration using 2.2m Reflector and 61 elements --
Susumu Nakazawa, Shoji Tanaka, Kazuyoshi Shogen (NHK) SAT2008-16
Satellite broadcasting in the 21-GHz band is expected to transmit large-capacity signals such as ultrahigh-definition TV... [more] SAT2008-16
pp.55-60
AP, SAT
(Joint)
2008-07-25
13:00
Hokkaido Hokkaido University A Study on Radiation Pattern of Array-fed Imaging Reflector Antenna in 21GHz band
Shoji Tanaka, Susumu Nakazawa, Naoto Kogo, Kazuyoshi Shogen (NHK) AP2008-63
 [more] AP2008-63
pp.149-154
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