The variations of mmw attentuation due to cloudy atmosphere in radio-astronomical observations

G. A. Andreyev

doi:10.1117/12.2303295

30 November 2017 The variations of mmw attentuation due to cloudy atmosphere in radio-astronomical observations

G. A. Andreyev

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 22507Q (2017) https://doi.org/10.1117/12.2303295
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

cloudness leads to the variations f NNW attenuation in atmosphere nickness and brings difficulties during radio-astronomical neasure- nents. It Is advantageous to evaluate .*:hem using the derived dependence with radio-brightness temperature variations. Under cloudy atmosphere conditions there were carried out in :AM-Wave band the measurements of radio-brightness temperature variations that gave the opportunity to evaluate variations of attenuation, on their basis. As follows from the obtained r.m.s. values of attenuation variations and their temporal correian intervals, the usage of adaptive receiving makes it ?ossible to reduce attenuation variations and thereby to Increase the :.1---1co of radio-astronomical observations.

Citation Download Citation

G. A. Andreyev "The variations of mmw attentuation due to cloudy atmosphere in radio-astronomical observations", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22507Q (30 November 2017); https://doi.org/10.1117/12.2303295

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