Dr. Hiroshi Kumagai Profile

Dr. Hiroshi Kumagai

at NICT

SPIE Involvement:

Author

Proceedings Article | 13 October 2010 Paper

Development status of Japanese space-borne cloud profiling radar for EarthCARE mission

K. Okada, T. Kimura, H. Nakatsuka, K. Sato, Y. Seki, Y. Sakaide, H. Kumagai, N. Takahashi, Y. Ohno, H. Horie

Proceedings Volume 7826, 782609 (2010) https://doi.org/10.1117/12.866329

KEYWORDS: Clouds, Radar, Atmospheric modeling, Space operations, Profiling, Doppler effect, Earth's atmosphere, Atmospheric particles, Aerosols, Antennas

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Proceedings Article | 29 September 2009 Paper

Development status of cloud profiling radar for EarthCARE

Hirotaka Nakatsuka, Hiroaki Horie, Kazuyuki Okada, Yasuo Sakaide, Toshiyoshi Kimura, Yuichi Ohno, Kenji Sato, Nobuhiro Takahashi, Hiroshi Kumagai

Proceedings Volume 7474, 74740O (2009) https://doi.org/10.1117/12.830345

KEYWORDS: Clouds, Doppler effect, Radar, Calibration, Satellites, Data acquisition, Antennas, Profiling, Atmospheric modeling, Reflectors

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Proceedings Article | 10 October 2008 Paper

Study for external calibration method for cloud profiling radar on EarthCARE

Hiroaki Horie, Toshiyoshi Kimura, Kazuyuki Okada, Yuichi Ohno, Kenji Sato, Hiroshi Kumagai

Proceedings Volume 7106, 71060T (2008) https://doi.org/10.1117/12.802335

KEYWORDS: Calibration, Antennas, Satellites, Clouds, Radar, Reflectors, Receivers, Signal attenuation, Profiling, Doppler effect

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Proceedings Article | 1 November 2005 Paper

Observation of clouds with the newly developed cloud profiling FM-CW radar at 95 GHz

Toshiaki Takano, Ken-ichi Akita, Hiroshi Kubo, Youhei Kawamura, Hiroshi Kumagai, Tamio Takamura, Yuji Nakanishi, Teruyuki Nakajima

Proceedings Volume 5979, 597907 (2005) https://doi.org/10.1117/12.627642

KEYWORDS: Radar, Clouds, Antennas, Profiling, Particles, Scientific research, Extremely high frequency, Modulation, Atmospheric particles, Fermium

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Proceedings Article | 21 October 2005 Paper

Cloud profiling radar design study for EarthCARE

Hiroshi Kumagai, Teruaki Orikasa, Yuichi Ohno, Hiroaki Horie, Toshiyoshi Kimura

Proceedings Volume 5978, 597807 (2005) https://doi.org/10.1117/12.634370

KEYWORDS: Clouds, Radar, Doppler effect, Aerosols, LIDAR, Profiling, Signal processing, Satellites, Antennas, Atmospheric particles

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Proceedings Article | 22 August 2005 Paper

The ESA Earth Explorer EarthCARE mission

Jean-Loup Bezy, Wolfgang Leibrandt, Arnaud Heliere, Pierluigi Silvestrin, Chun-Chi Lin, Paul Ingmann, Toshiyoshi Kimura, Hiroshi Kumagai

Proceedings Volume 5882, 58820F (2005) https://doi.org/10.1117/12.619438

KEYWORDS: Clouds, Aerosols, Radar, LIDAR, Atmospheric particles, Earth's atmosphere, Imaging systems, Doppler effect, Backscatter, Radiometry

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Proceedings Article | 16 February 2004 Paper

First observational results with the newly developed cloud profiling FM-CW radar at 95 GHz

Toshiaki Takano, Yumiro Suga, Kenichi Akita, Youhei Kawamura, Hiroshi Kumagai, Tamio Takamura, Yuji Nakanishi, Teruyuki Nakajima

Proceedings Volume 5235, (2004) https://doi.org/10.1117/12.511586

KEYWORDS: Clouds, Radar, Antennas, Particles, Profiling, Extremely high frequency, Transmitters, Analytical research, Remote sensing, Scientific research

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Proceedings Article | 2 February 2004 Paper

Cloud profiling radar (CPR) for EarthCARE and synergy algorithm studies

Hiroshi Kumagai, Hiroshi Kuroiwa, Teruaki Orikasa, Yuichi Ohno, Akihide Kamei, Hajime Okamoto

Proceedings Volume 5234, (2004) https://doi.org/10.1117/12.511026

KEYWORDS: Clouds, Doppler effect, Radar, Algorithm development, LIDAR, Satellites, Profiling, Atmospheric modeling, Particles, Climatology

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Proceedings Article | 30 April 2003 Paper

Cloud profiling radar for EarthCARE mission

Hiroshi Kumagai, Hiroshi Kuroiwa, Satoru Kobayashi, Teruaki Orikasa

Proceedings Volume 4894, (2003) https://doi.org/10.1117/12.469124

KEYWORDS: Clouds, Doppler effect, Radar, Antennas, Atmospheric modeling, Earth's atmosphere, Profiling, Atmospheric sensing, Satellites, LIDAR

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Proceedings Article | 30 April 2003 Paper

Development of a cloud profiling FM-CW radar at 95 GHz and its preliminary results

Toshiaki Takano, Yumiro Suga, Kentaro Takei, Youhei Kawamura, Kurt Sakai, Hiroshi Kumagai, Tamio Takamura, Yuji Nakanishi, Teruyuki Nakajima

Proceedings Volume 4894, (2003) https://doi.org/10.1117/12.466403

KEYWORDS: Clouds, Radar, Antennas, Profiling, Particles, Extremely high frequency, Atmospheric particles, Transmitters, Receivers, System integration

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Proceedings Article | 18 April 2003 Paper

EarthCARE-Earth clouds, aerosol and radiation explorer: it's objectives and Japanese sensor designs

Toshiyoshi Kimura, Kayoko Kondo, Hiroshi Kumagai, Hiroshi Kuroiwa, Chu Ishida, Riko Oki, Akihiko Kuze, Makoto Suzuki, Hajime Okamoto, Rouichi Imasu, Teruyuki Nakajima

Proceedings Volume 4882, (2003) https://doi.org/10.1117/12.462582

KEYWORDS: Clouds, Aerosols, Fourier transforms, Sensors, Radar, LIDAR, Doppler effect, Earth's atmosphere, Satellites, Atmospheric particles

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Proceedings Article | 8 April 2003 Paper

System definition of the ESA Earth Explorer EarthCARE mission

Jean-Loup Bezy, Wolfgang Leibrandt, Pierluigi Silvestrin, Pedro Baptista, Akihito Kawamura, Riko Oki, Makoto Suzuki, Hiroshi Kumagai

Proceedings Volume 4881, (2003) https://doi.org/10.1117/12.463030

KEYWORDS: Clouds, Fourier transforms, Satellites, Sensors, Radar, Aerosols, LIDAR, Multispectral imaging, Earth's atmosphere, Atmospheric particles

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Proceedings Article | 21 December 2000 Paper

Retrieval of cloud microphysics using 95-GHz cloud radar and microwave radiometer

Hiroshi Kumagai, Hiroaki Horie, Hiroshi Kuroiwa, Hajime Okamoto, Suginori Iwasaki

Proceedings Volume 4152, (2000) https://doi.org/10.1117/12.410619

KEYWORDS: Clouds, Radar, Radiometry, Liquids, Microwave radiation, Signal attenuation, Profiling, Reflectivity, Particles, Water

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Proceedings Article | 21 December 2000 Paper

95-GHz cloud radar and lidar systems: preliminary results of cloud microphysics

Hajime Okamoto, Suginori Iwasaki, Motoaki Yasui, Hiroaki Horie, Hiroshi Kuroiwa, Hiroshi Kumagai

Proceedings Volume 4152, (2000) https://doi.org/10.1117/12.410618

KEYWORDS: Clouds, LIDAR, Radar, Signal attenuation, Signal detection, Particles, Backscatter, Active sensors, Algorithm development, Crystals

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Proceedings Article | 19 August 1993 Paper

Development of an eight-element model for TRMM precipitation radar

Hiroshi Kumagai, Ken'ichi Okamoto, Toshiaki Kozu, Toshio Ihara

Proceedings Volume 1935, (1993) https://doi.org/10.1117/12.152591

KEYWORDS: Antennas, Radar, Waveguides, Phase shifts, Satellites, Amplifiers, Transmitters, Solids, Phase shift keying, Analytical research

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Showing 5 of 15 publications

Conference Committee Involvement (2)

SPIE Asia-Pacific Remote Sensing

17 November 2008 | Noumea, New Caledonia

SPIE Asia-Pacific Remote Sensing

13 November 2006 | Goa, India

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