2011 年 131 巻 4 号 p. 300-301
We have experimentally evaluated the equivalent noise temperature (ENT) of a microwave standard noise source. The resistivity and its temperature coefficient of a transmission line (TL) of the noise source were determined by the curve fitting technique based on the TL theory. As a result, the ENT was estimated as 133.3-144.4 K in the frequency range of 0.01-18 GHz.
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