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Because of their large numbers, red dwarfs may be the most abundant planet hosts in our Galaxy. In order to detect Earth-like planets around nearby red dwarfs (in particular late-M stars), it is crucial to conduct the precise radial velocity (RV) measurements at near-infrared wavelengths where these stars emit most of light. We report the development of the Infrared Doppler (IRD) spectrometer for...
We successfully generated a 12.5-GHz-spacing astro-comb ranging over 400 nm from 1350 to 1750 nm. A synthesized pulse whose repetition rate directly linked to the spacing was compressed for nonlinearity enhancement and broad astro-comb generation.
This paper presents an evaluation of the CO2 emission performance of a residential combined photovoltaic(PV), fuel cell(FC) and battery power system, whose commercialization in the near future shows promise considering that photovoltaic and fuel cell dual power generation systems are gaining popularity and residential battery power storage systems are being commercialized. A mathematical model of...
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