A beam ratio technique for microwave observation of S-component sources

Details A beam ratio technique for microwave observation of S-component sources A beam ratio technique for microwave observation of S-component sources

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983soph...83..179t&link_type=abstract

Solar Physics, vol. 83, Feb. 1983, p. 179-185.

Astronomy and Astrophysics

Astronomy

8

Atmospheric Attenuation, Beams (Radiation), Microwave Antennas, Radio Astronomy, Solar Radio Emission, Troposphere, Amplification, Antenna Feeds, Atmospheric Effects, Brightness Temperature, Noise Temperature, Radio Receivers, Solar Activity

Scientific paper

Tropospheric attenuation fluctuations are a major problem encountered during the study of S-component source variations, since the separation of solar variations from spurious effects on records made by means of single beam antenna systems can be very difficult. The proposed twin beam radio technique circumvents this problem through the derivation of a ratio, with respect to a reference beam, which is identically affected by tropospheric attenuation and receiver gain variations. Troposphere-induced fluctuations in the receiver output has been reduced by a factor of 100.

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