Rchr
J-GLOBAL ID：200901009952290350
Update date: Jan. 31, 2024
Maezawa Hiroyuki
マエザワ ヒロユキ | Maezawa Hiroyuki
Affiliation and department：
Research field (1)：
Astronomy
Research keywords (6)：
ヘテロダインセンシグ
, 超伝導デバイス
, テラヘルツ
, 地球大気計測
, 惑星大気
, 電波天文学
Research theme for competitive and other funds (29)：
- 2018 - 2023 Chemical Composition of Disk Forming Regions of Solar-type Protostars and its Evolution to Planetary Systems
- 2019 - 2022 分子雲/原始惑星系/彗星で生成する核酸塩基構造異性体は生命の進化に寄与したか?
- 2019 - 2021 非磁化CO2大気の地球型惑星/金星大気の物質循環と中心星の活動の影響評価
- 2016 - 2020 Unveiling the material circulation in the Venusian atmosphere with coordinated spacecraft and ground-based observations
- 2017 - 2019 Formation processes of interstellar nucleobases studied by mass spectrometer and THz heterodyne spectrospcpy
- 2014 - 2018 Dvelopment of 1.9THz-band waveguide-type hot-electron bolometer mixer for astronomical heterodyne spectroscopy
- 2014 - 2018 Revealing the origin of dark gas around molecular clouds using the velocity-dispersion method
- 2014 - 2018 Detailed study of molecular gas along the Galactic Plane with ulta-wideband mm observations
- 2013 - 2018 Chemical Diversity of Protoplanetary Systems and its Evolution
- 2014 - 2016 Developments of High sensitive Quantum Dot Detectors for Radio and Infrared Astronomy
- 2011 - 2015 Observational study of atmospheric change in the polar mesosphere due to energetic particle precipitation during the solar maximum
- 2012 - 2014 Application development of QC laser for THz band multi-beam heterodyne receiver
- 2011 - 2014 Development of a measuring system of column-averaged mixing ratio of greenhouse gases with an optical spectrum analyzer operated in near infrared region
- 2009 - 2014 Exploring Chemical Evolution from Star Forming Cores to Protoplanetary Disks by Multi-Wavelength Line Survey
- 2010 - 2012 Millimeter-Wave Band Monitoring Observationsof the Planetary Middle Atmospheres of the Solar System with 10m Single-dish Ground Based Telescope.
- 2008 - 2012 A study of influence on stratospheric composition in mid-latituderegion by Antarctic ozone hole based on ground-based millimeter-wave measurements
- 2009 - 2009 複合冷却機構を利用した新しいテラヘルツ帯HEBミクサの開発
- 2007 - 2009 Development of THz Band Heterodyne Receiver for Semote-Sensing Spectroscopy of OH Radical and Atomic Oxygen in Middle Atmosphere
- 2006 - 2009 Observational study of the stratospheric and mesospheric water vapor isotopomers and ozone over Atacama highland in Chile
- 2006 - 2009 Observational study of water vapor and ozone in the middle atmosphere by using a quasi-millimeter wave spectroscopic radiometer
- 2006 - 2008 A study of chemical composition changes in the mesosphere related with penetration of magnetospheric high energy electrons
- 2005 - 2006 対流圏OHラジカルの非破壊定常観測のためのTHz帯ヘテロダインHEB検出器の開発
- 2006 - 太陽系惑星
- 2006 - Observation of Planetary Atmosphere
- 2003 - 2004 Simultaneous observations of stratospheric and mesospheric water vapor isotopomers in a tropical part of Chile
- 2001 - テラヘルツ・ヘテロダインセンシング
- 2001 - Terahertz Heterodyne Sensing
- 1996 - 天文学
- 1996 - Astronomy
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Papers (59)：
-
Atsushi Nishimura, Takeru Matsumoto, Yudai Matsue, Teppei Yonetsu, Yuka Nakao, Shinji Fujita, Hiroyuki Maezawa, Kengo Tachihara, Toshikazu Onishi, Hideo Ogawa. A Study on a Delay-Line-Based Ramp-Compare ADC for Radio Astronomical Applications. 2022 Asia-Pacific Microwave Conference (APMC). 2022
-
Atsushi Nishimura, Takeru Matsumoto, Teppei Yonetsu, Yuka Nakao, Shinji Fujita, Hiroyuki Maezawa, Toshikazu Onishi, Hideo Ogawa. Observational demonstration of a low-cost fast Fourier transform spectrometer with a delay-line-based ramp-compare ADC implemented on FPGA. Publications of the Astronomical Society of Japan. 2021. 73. 3. 692-700
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Yutaka Hasegawa, Hiroyuki Maezawa, Hideo Ogawa. Novel 500-GHz Band Waveguide Stepped Septum-Type Circular Polarizer with a New High-Accuracy and Very Small Waveguide Flange. Journal of Infrared, Millimeter, and Terahertz Waves. 2021. 42. 1. 1-16
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S. Ochiai, P. Baron, Y. Irimajiri, T. Nishibori, Y. Hasegawa, Y. Uzawa, H. Maezawa, T. Manabe, A. Mizuno, T. Nagahama, et al. Conceptual Study of Superconducting Submillimeter-Wave Limb-Emission Sounder-2 (Smiles-2) Receiver. International Geoscience and Remote Sensing Symposium (IGARSS). 2019. 8792-8795
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Satoshi Ochiai, Philippe Baron, Yoshihisa Irimajiri, Toshiyuki Nishibori, Yutaka Hasegawa, Yoshinori Uzawa, Hiroyuki Maezawa, Makoto Suzuki, Akinori Saito, Masato Shiotani. Study for proposal of SMILES-2 to JAXA M-class mission. ISSTT 2019 - 30th International Symposium on Space Terahertz Technology, Proceedings Book. 2019. 216-219
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Books (1)：
-
シリーズ 現在の天文学 宇宙の観測II
日本評論社 2009
Education (1)：
- - 2001 The University of Tokyo
Professional career (1)：
- Doctor of Science (The University of Tokyo)
Association Membership(s) (3)：
日本天文学会
, 日本地球惑星科学連合
, Japan Geoscience Union
