Influence of the troposphere on radio-interferometer differential coordinate measurements

Details Influence of the troposphere on radio-interferometer differential coordinate measurements Influence of the troposphere on radio-interferometer differential coordinate measurements

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979azh....56.1100d&link_type=abstract

Astronomicheskii Zhurnal, vol. 56, Sept.-Oct. 1979, p. 1100-1104. In Russian.

Astronomy and Astrophysics

Astronomy

1

Astronomical Coordinates, Atmospheric Turbulence, Frequency Measurement, Radio Interferometers, Troposphere, Very Long Base Interferometry, Error Analysis, Ionospheric Disturbances, Isotropic Turbulence, Phase Deviation, Time Lag

Scientific paper

In the present paper, the constraints placed by tropospheric turbulence on the accuracy of phase and frequency coordinate measurements are evaluated within the framework of a power-law model of the eikonal structure function describing the properties of the troposphere. It is shown that, in contrast to differential phase measurements, the angular precision of a very-long-base interferometer is impaired in the case of frequency measurements.

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