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Inconsistency in maturation of saccharinan kelp due to changes in the marine environment is a problem in terms of securing seedlings for aquaculture. In Hokkaido, the main producing area of Saccharina japonica, it has become a challenge to stably secure the parental algae of the species for aquaculture. When maturation was induced by short‐day conditions in naturally collected S. japonica sporophytes...
This paper describes the analysis of the transmission characteristics on O/E and E/O conversion for Radio-on-Fiber (RoF) of wireless OFDM signals. RoF system is one of promising candidates for feature mobile wireless communication systems and several demonstrations were performed. The transmission performances of RoF are directly depended on the characteristics of O/E and E/O conversions. However,...
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