A passive microwave radiometer operating at 37 GHz has an effective area of 0.3 m 2 ,
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A passive microwave radiometer operating at 37 GHz has an effective area of 0.3 m2, and can detect a change of 0.9 K in its antenna temperature. It is operated from an altitude of 800 km to observe a single ice floe (whose brightness temperature is 253 K) surrounded by water (brightness temperature 119 K). Calculate the area of the smallest detectable floe.
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If the fraction of the footprint occupied by ice is the antenna temperature in kelvin is 253 11...View the full answer
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