Title :
Comments on "An S-Band Radiometer Design with High Absolute Precision" [Letters]
fDate :
5/1/1975 12:00:00 AM
Abstract :
In the above paper, a highly stable noise-balancing radiometer at 2.7 GHz for satellite applications, with a claimed absolute measurement precision of 0.1 K, is reported. The purpose of this letter is to indicate a source of calibration error which can be seriously underestimated.
Keywords :
Antenna feeds; Calibration; Capacitance; Microstrip; Microwave radiometry; Noise level; Polarization; Receiving antennas; Reflection; Reflector antennas;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1975.1128597
