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pro vyhledávání: '"Kiyohiko Ishikawa"'
Autor:
Kiyohiko Ishikawa, Masaru Takahashi, Gen Ichimura, Hiroharu Satoh, Yoshiaki Kusunoki, Yoshihiro Morioka, Yoshikazu Mihara, Takayoshi Yamaguchi
Publikováno v:
The Journal of The Institute of Image Information and Television Engineers. 64:1154-1162
Publikováno v:
The Journal of The Institute of Image Information and Television Engineers. 62:1042-1049
Publikováno v:
The Journal of the Institute of Image Information and Television Engineers. 56:1657-1662
In broadcasting stations, the data transfer rate of phase change optical disk systems for HDTV must be more than 100Mb/s. A conventional phase change disk system must drive a laser diode with multipulse in order to record data. However, using this me
Publikováno v:
Planetary and Space Science. 39:425-434
The effect of the plasmapause on whistler-mode wave propagation and generation is investigated by means of the two-dimensional ray tracings started at the equator over a wide frequency range, 0.1 0.5) waves. These theoretical findings are discussed w
Publikováno v:
Proceedings of the NIPR Symposium on Upper Atmosphere Physics. 3:70-78
The previous direction finding measurements of chorus emissions with different spectral shapes (rising, falling, and constant tones) near the equator have indicated that those chorus emissions are generated around the equator with their wave normals
Autor:
Arisa Fujii, Yusei Nishimoto, Takeshi Kimura, Shunji Sunasaki, Kiyohiko Ishikawa, Satoshi Fujitsu
Publikováno v:
CCNC
Digital broadcasting has already been operational in Japan for years. All content and copyrights are protected by conditional access system (CAS). The next new services will be launched in 2007. This is broadcasting based on home servers. Broadcastin
Publikováno v:
Environmental and Space Electromagnetics ISBN: 9784431681649
The purpose of this paper is to investigate the ray focussing of whistler-mode waves which results in an enhanced wave-particle interaction. The critical frequency in a slightly inhomogeneous magneto plasma is studied, at which the refractive index s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24821e6e01e8982e7e682cd2b016e2e1
https://doi.org/10.1007/978-4-431-68162-5_22
https://doi.org/10.1007/978-4-431-68162-5_22
Autor:
Kiyohiko Ishikawa
Publikováno v:
IEICE Communications Society Magazine. 2007:2_117-2_127
Autor:
Kiyohiko Ishikawa
Publikováno v:
The Journal of The Institute of Image Information and Television Engineers. 61:36-36
Publikováno v:
Japanese Journal of Applied Physics. 43:4900
Optical disk systems have advantages over video cassette recorders for broadcasting because they provide excellent random access, reliability and archiving performance. However, the transfer data rates of optical disks are inadequate for use in broad