Keiji Imaoka

24 papers C 16Journal 7Unranked 1
YearRankTypeTitle / Venue / Authors
2024 J jnl
Intersensor Calibration of Spaceborne Passive Microwave Radiometers and Algorithm Tuning for Long-Term Sea Ice Trend Analysis Based on AMSR-E Observations.
Remote. Sens.
Mieko Seki, Masahiro Hori, Kazuhiro Naoki, Misako Kachi, Keiji Imaoka
2016 C conf
Characteristics of AMSR-E slow rotation data.
IGARSS
Keiji Imaoka, Misako Kachi, Takashi Maeda, Satoko Miura, Susumu Saitoh, Yuji Taniguchi
2016 J jnl
GCOM-W1 AMSR2 Level 1R Product: Dataset of Brightness Temperature Modified Using the Antenna Pattern Matching Technique.
IEEE Trans. Geosci. Remote. Sens.
Takashi Maeda, Yuji Taniguchi, Keiji Imaoka
2015 J jnl
Intercalibration of Advanced Microwave Scanning Radiometer-2 (AMSR2) Brightness Temperature.
IEEE Trans. Geosci. Remote. Sens.
Arata Okuyama, Keiji Imaoka
2015 C conf
The water-related parameters and datasets derived from GCOM-W/AMSR2.
IGARSS
Misako Kachi, Takashi Maeda, Hiroyuki Tsutsui, Keiji Imaoka
2014 C conf
Status of validation of AMSR2 on board the GCOM-W1 satellite.
IGARSS
Misako Kachi, Masahiro Hori, Takashi Maeda, Keiji Imaoka
2013 C conf
AMSR2 validation results.
IGARSS
Misako Kachi, Kazuhiro Naoki, Masahiro Hori, Keiji Imaoka
2011 C conf
Protection of 6-7GHZ band spaceborne microwave radiometer from interferences to derive sea surface temperature and others.
IGARSS
Korehiro Maeda, Akira Shibata, Keiji Imaoka
2010 C conf
AMSR instruments on GCOM-W1/2: Concepts and applications.
IGARSS
Taikan Oki, Keiji Imaoka, Misako Kachi
2010 J jnl
Global Change Observation Mission (GCOM) for Monitoring Carbon, Water Cycles, and Climate Change.
Proc. IEEE
Keiji Imaoka, Misako Kachi, Hideyuki Fujii, Hiroshi Murakami, Masahiro Hori, Akiko Ono, Tamotsu Igarashi, Keizo Nakagawa, Taikan Oki, Yoshiaki Honda, Haruhisa Shimoda
2009 — conf
AMSR-E and its Follow-on, AMSR2.
IGARSS (3)
Elena S. Lobl, Roy W. Spencer, Keiji Imaoka, Keizo Nakagawa
2007 J jnl
Physical Validation of Microwave Properties of Winter Precipitation Over the Sea of Japan.
IEEE Trans. Geosci. Remote. Sens.
Kazumasa Aonashi, Toshio Koike, Ken-ichiro Muramoto, Keiji Imaoka, Nobuhiro Takahashi, Guosheng Liu, Yoo-Jeong Noh
2006 C conf
Radio-frequency Interference Signals in the AMSR and Aircraft C-band Measurements.
IGARSS
Keiji Imaoka, Yasuhiro Fujimoto, Yoriko Arai, Akira Shibata, Shinichi Morokuma, Yoshio Sasaki
2005 C conf
A comparison of in situ precipitation with soil moisture retrieved from AMSR-E.
IGARSS
Hidekazu Mikai, Yoriko Arai, Taroh Mutoh, Keiji Imaoka, Akira Shibata
2005 C conf
Evaluation of AMSR and AMSR-E brightness temperature dataset.
IGARSS
Keiji Imaoka, Yasuhiro Fujimoto, Makoto Yoshikawa, Taroh Mutoh, Akira Shibata
2005 C conf
Evaluation of AMSR-E main reflector characteristics using AMSR-E data in aqua roll maneuver.
IGARSS
Yoriko Arai, Keiji Imaoka, Akira Shibata
2005 C conf
Investigation of radio frequency interference over Japan using AMSR and AMSR-E data.
IGARSS
Yoriko Arai, Taroh Mutoh, Keiji Imaoka, Yasuhiro Fujimoto, Akira Shibata
2005 C conf
Multi-year analysis of AMSR-E brightness temperature over homogeneous regions.
IGARSS
Keiji Imaoka, Yasuhiro Fujimoto, Makoto Yoshikawa, Akira Shibata
2004 C conf
On the application of oxygen band channels on Midori-II AMSR.
IGARSS
Keiji Imaoka, Kei Shiomi, Akira Shibata
2003 J jnl
AMSR/AMSR-E level 2 and 3 algorithm developments and data validation plans of NASDA.
IEEE Trans. Geosci. Remote. Sens.
Akira Shibata, Keiji Imaoka, Toshio Koike
2003 C conf
AMSR/AMSR-E sea surface temperature algorithm development.
IGARSS
Akira Shibata, Keiji Imaoka, Misako Kachi, Yasuhiro Fujimoto, Taroh Mutoh
2003 C conf
Post-launch calibration and data evaluation of AMSR-E.
IGARSS
Keiji Imaoka, Yasuhiro Fujimoto, Misako Kachi, Toshiaki Takeshima, Kei Shiomi, Hidekazu Mikai, Taroh Mutoh, Makoto Yoshikawa, Akira Shibata
2003 J jnl
The Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E), NASDA's contribution to the EOS for global energy and water cycle studies.
IEEE Trans. Geosci. Remote. Sens.
Toneo Kawanishi, Toshihiro Sezai, Yasuyuki Ito, Keiji Imaoka, Toshiaki Takeshima, Yoshio Ishido, Akira Shibata, Masaharu Miura, Hiroyuki Inahata, Roy W. Spencer
2002 C conf
Instrument characteristics and calibration of AMSR and AMSR-E.
IGARSS
Keiji Imaoka, Toshihiro Sezai, Toshiaki Takeshima, Toneo Kawanishi, Akira Shibata