Suppression of atmospheric radio emission fluctuations in radio astronomical observations

Details Suppression of atmospheric radio emission fluctuations in radio astronomical observations Suppression of atmospheric radio emission fluctuations in radio astronomical observations

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..82..317k&link_type=abstract

Astrophysics and Space Science, vol. 82, no. 2, Mar. 1982, p. 317-341.

Astronomy and Astrophysics

Astronomy

Atmospherics, Noise Reduction, Radio Astronomy, Radio Emission, Atmospheric Effects, Brightness Temperature, Centimeter Waves, Cloud Cover, Filtration, Fluctuation Theory, High Frequencies, Millimeter Waves

Scientific paper

The atmospheric radio emission fluctuations which are a significant limiting factor in cosmic radio source observations at cm and mm wavelengths are frequently suppressed by the dual-beam method, which involves the differential reception of the signal from two, slightly different, directions. This method, which is currently undergoing development, as well as novel methods which may overcome present limitations on the sizes of sources under observation, are evaluated. The novel methods may collectively be characterized as those of atmospheric noise suppression by means of high-frequency filtration.

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