Mr. Tomoya Niwa Profile

Tomoya Niwa

at Japan Aerospace Exploration Agency

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Publications (4)

Proceedings Article | 28 October 2022 Presentation + Paper

Development of the wide-swath and high-resolution optical imager (WISH) onboard Advanced Land Observing Satellite-3 (ALOS-3)

Hidenori Watarai, Kei Shimomura, Tomoya Niwa, Yasutaka Fujii, Toru Matsuda, Asami Hayato

Proceedings Volume 12264, 122640A (2022) https://doi.org/10.1117/12.2636402

KEYWORDS: Modulation transfer functions, Mirrors, Telescopes, Satellites, Charge-coupled devices, Signal to noise ratio, Surface finishing, Sensors, Imaging systems, Staring arrays

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Proceedings Article | 12 July 2019 Open Access

Development of the wide-swath and high-resolution optical imager onboard advanced optical satellite (ALOS-3)

Hidenori Watarai, Haruyoshi Katayama, Tomoya Niwa, Masakazu Sagisaka

Proceedings Volume 11180, 111801Q (2019) https://doi.org/10.1117/12.2535981

KEYWORDS: Mirrors, Satellites, Sensors, Protactinium, Off axis mirrors, Imaging systems, Charge-coupled devices, Polishing, Optics manufacturing, Modulation transfer functions

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Proceedings Article | 25 September 2018 Presentation + Paper

Current development status of the wide-swath and high-resolution optical imager onboard Advanced Optical Satellite (ALOS-3)

Hidenori Watarai, Haruyoshi Katayama, Takeo Tadono, Tomoya Niwa, Masakazu Sagisaka

Proceedings Volume 10785, 107850P (2018) https://doi.org/10.1117/12.2325818

KEYWORDS: Mirrors, Charge-coupled devices, Imaging systems, Satellites, Sensors, Manufacturing, Satellite imaging, Optics manufacturing, Polishing, Surface finishing

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Proceedings Article | 29 September 2017 Paper

Overview of the Japanese Advanced Optical Satellite: mission objectives, a satellite system, and an onboard imager

Hidenori Watarai, Tomoya Niwa, Haruyoshi Katayama, Takeo Tadono, Eri Kato, Masakazu Sagisaka

Proceedings Volume 10423, 104230P (2017) https://doi.org/10.1117/12.2277306

KEYWORDS: Satellites, Adaptive optics, Onboard cameras, Cameras, Earth observing sensors, Digital image processing, Process modeling, Imaging systems, Optical resolution, Knowledge management

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