Author(s): Seiho Uratsuka; Fumihiko Nishio; Hitoshi Mineno; Ken’Ichi Okamoto; Shinji Mae
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Abstract: The UHF step frequency radar experiments had been carried out on the sea ice near the Syowa Station, Antarctica in the program of the 27th Japanese Antarctic Research Expedition in order to develop the sensor for measurement of sea ice thickness remotely. The radar transmit 32 different frequencies in a stepwise fashion between 300 and 796 MHz and has the resolution of about 15 cm in sea ice at UHF band which is less attenuate in sea ice. Experimental results are shown as follows: (1) The depth of the snow on the sea ice was measured clearly by this radar system. (2) It was confirmed to measure the thickness of the sea ice by our system. However, the corresponded power with bottom of sea ice is frequently masked by confused needless peaks.
Year: 1988