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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMD, R 2019-02-15
14:30
Osaka   Medium wave transmitting antenna impedance measurement method -- For improving system reliability --
Wataru Arita, Kazuma Shimizu, Kazuhiko Nozaki, Shunto Utsumi (NHK), Taishi Shirakubo, Fumiya Yano (NHK ITEC), Kyoko Kanamori, Masahiko Yamazoe (NHK) R2018-55 EMD2018-56
It is important to maintain an entire medium wave transmitting system including transmitting antenna for improving the s... [more] R2018-55 EMD2018-56
pp.19-24
IE, CS, IPSJ-AVM, ITE-BCT [detail] 2015-12-03
11:35
Hyogo   Development of a orthogonal combined type Medium-wave AM transmitter using PSM
Tatsuru Moriyama (NHK), Wataru Sakai (NHK ITEC), Ryohei Kaneko, Kazuto Kubota, Masahiko Yamazoe (NHK)
 [more]
R 2014-10-17
15:55
Kagoshima   Reliability management and field data analysis by design review of high power Medium Wave transmitting station.
Shinya Kawaji (NHK), Hiroyuki Kimura, Wataru Sakai (NHKitec), Masahiko Yamazoe (NHK) R2014-59
Any failure of the large-scale system of a high power Medium Wave transmitting station has a great impact to listeners. ... [more] R2014-59
pp.25-30
EMCJ, ITE-BCT 2013-03-08
15:35
Tokyo Kikai-Shinko-Kaikan Bldg. Medium wave antenna impedance measurment method and application under the high induction voltage environment of the exogenous radio wave
Kenji Okita, Takuya Okamoto, Masahiko Yamazoe (NHK) EMCJ2012-132
It was impossible to measure antenna impedance under the high induction voltage environment of the exogenous radio wave.... [more] EMCJ2012-132
pp.85-90
EE 2009-07-30
13:00
Shimane   Development of a Fully Solid State Wide band Short-wave Transmitter of PSM modulation method using DC to RF conversion technology
Masahiko Yamazoe (NHK), Kazuhisa Haeiwa (Hiroshima City Univ.), Shoji Hirose (NHK), Masayoshi Fukumoto (NEC), Hideo Sato (NIHON KOUSHUHA) EE2009-7
We developed an evolutional wideband (3M~26MHz) short-wave transmitter with an output of 1kW using PSM (Pulse Step Modul... [more] EE2009-7
pp.1-6
R 2008-07-11
15:45
Hokkaido   A system performance for the reliability design of radio Transmitting equipment
Masahiko Yamazoe, Koichi Misu, Hiroyuki Nishimori (NHK), Yuya Fujimoto (NHK ITEC) R2008-26
 [more] R2008-26
pp.35-40
EE 2007-11-19
13:55
Tokyo   [Special Talk] Hight efficiency amplifiers in MF and HF transmitter
Masahiko Yamazoe (NHK), Kazuhisa Haeiwa (HIroshima City Univ), Hiroyuki Nishimori, Kouichi Misu (NHK) EE2007-41
This paper describes hight efficiency amplifiers in MF and HF transmitter. First , we fabricated a new power amplifier o... [more] EE2007-41
pp.39-44
EMD, R 2007-02-16
14:35
Osaka   Transition and reliability analysis of the medium wave transmitter
Masahiko Yamazoe, Koiti Misu, Toru Mizokami (NHK)
 [more] R2006-50 EMD2006-71
pp.17-22
R, EMD 2005-02-18
13:25
Kyoto Omron An analysis of transient phenomena in medium wave power amplifier within load impedance characteristics
Masahiko Yamazoe, Kazuaki Wakai (NHK), Tomohide Kakutani (ITEC), Ikuji Fujitani (NHK)
This paper describes transient phenomena in solid state power amplifiers(PA) on the two types of medium wave transmitter... [more]
 Results 1 - 9 of 9  /   
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