Ken'ichi Okamoto

19 papers C 11Journal 8
YearRankTypeTitle / Venue / Authors
2010 C conf
Surface reference normalized radar cross section over land for the improvement of the TRMM PR algorithm.
IGARSS
Ken'ichi Okamoto, Jun Komukai, Shoichi Shige, Takeshi Manabe
2009 J jnl
The GSMaP Precipitation Retrieval Algorithm for Microwave Sounders - Part I: Over-Ocean Algorithm.
IEEE Trans. Geosci. Remote. Sens.
Shoichi Shige, Tomoya Yamamoto, Takeaki Tsukiyama, Satoshi Kida, Hiroki Ashiwake, Takuji Kubota, Shinta Seto, Kazumasa Aonashi, Ken'ichi Okamoto
2007 J jnl
A Low-Power High-Resolution Broad-Band Radar Using a Pulse Compression Technique for Meteorological Application.
IEEE Geosci. Remote. Sens. Lett.
Tomoaki Mega, Kazushi Monden, Tomoo Ushio, Ken'ichi Okamoto, Zenichiro Kawasaki, Takeshi Morimoto
2007 J jnl
Global Precipitation Map Using Satellite-Borne Microwave Radiometers by the GSMaP Project: Production and Validation.
IEEE Trans. Geosci. Remote. Sens.
Takuji Kubota, Shoichi Shige, Hiroshi Hashizume, Kazumasa Aonashi, Nobuhiro Takahashi, Shinta Seto, Yukari N. Takayabu, Tomoo Ushio, Katsuhiro Nakagawa, Koyuru Iwanami, Misako Kachi, Ken'ichi Okamoto
2007 J jnl
Suppression of Surface Clutter Interference With Precipitation Measurements by Spaceborne Precipitation Radar.
IEEE Trans. Geosci. Remote. Sens.
Tetsuya Tagawa, Hiroshi Hanado, Ken'ichi Okamoto, Toshiaki Kozu
2006 C conf
Development of Over-ocean SSM/I Rain Retrieval Algorithm in the GSMaP Project.
IGARSS
Hiroshi Hashizume, Takuji Kubota, Kazumasa Aonashi, Shoichi Shige, Ken'ichi Okamoto
2006 C conf
Suppression of Surface Clutter Interference with TRMM Precipitation Radar Observation.
IGARSS
Tetsuya Tagawa, Ken'ichi Okamoto, Hiroshi Hanado, Toshiaki Kozu
2005 C conf
Development and observation of the broad-band radar for meteorological application.
IGARSS
Kazushi Monden, Tomoaki Mega, Tomoo Ushio, Ken'ichi Okamoto
2005 C conf
Measurement of scattering properties of vegetation at Ka-band by 35GHhz polarimetric scatterometer.
IGARSS
Tetsuya Tagawa, Ken'ichi Okamoto, Tomoo Ushio
2005 C conf
Sampling simulation for estimating the sampling error of space-time average rain rate for TRMM and GPM mission.
IGARSS
Yasuhisa Iida, Ken'ichi Okamoto, Tomoo Ushio, Riko Oki
2005 C conf
The global satellite mapping of precipitation (GSMaP) project.
IGARSS
Ken'ichi Okamoto, Tomoo Ushio, Toshio Iguchi, Nobuhiro Takahashi, Koyuru Iwanami
2004 C conf
Measurement of scattering coefficient dependence on soil moisture content and surface roughness by 35 GHz polarimetric scatterometer.
IGARSS
Tetsuya Tagawa, Ken'ichi Okamoto, Akira Higuchi, Tomoo Ushio, Hiroshi Hanado
2004 C conf
Suppression of surface clutter interference with precipitation measurement from space by the Dual frequency Precipitation Radar.
IGARSS
Tetsuya Tagawa, Ken'ichi Okamoto, Hiroshi Hanado, Toshiaki Kozu
2003 C conf
Calculations of surface clutter interference with precipitation measurement from space by 35.5 GHz radar for Global Precipitation Measurement Mission.
IGARSS
Tetsuya Tagawa, Ken'ichi Okamoto
2003 J jnl
Freezing height distribution in the tropics.
Int. J. Satell. Commun. Netw.
Merhala Thurai, Eri Deguchi, Toshio Iguchi, Ken'ichi Okamoto
2003 C conf
Sampling simulation of five sun synchronous orbit satellites' group and TRMM rainfall estimation using radar-AmeDAS composites.
IGARSS
Yasuhisa Iida, Ken'ichi Okamoto
2001 J jnl
Development of precipitation radar onboard the Tropical Rainfall Measuring Mission (TRMM) satellite.
IEEE Trans. Geosci. Remote. Sens.
Toshiaki Kozu, Toneo Kawanishi, Hiroshi Kuroiwa, Masahiro Kojima, Koki Oikawa, Hiroshi Kumagai, Ken'ichi Okamoto, Minoru Okumura, Hirotaka Nakatsuka, Katsuhiko Nishikawa
1995 J jnl
Development of an active radar calibrator for the TRMM precipitation radar.
IEEE Trans. Geosci. Remote. Sens.
Hiroshi Kumagai, Toshiaki Kozu, Makoto Satake, Hiroshi Hanado, Ken'ichi Okamoto
1992 J jnl
Measurement of soil backscattering with a 60-GHz scatterometer.
IEEE Trans. Geosci. Remote. Sens.
Hiromichi Yamasaki, Jun Awaka, Akira Takahashi, Ken'ichi Okamoto, Toshio Ihara