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Propagation of radio waves through the lower atmosphere of VenusA simplified model of the Venus atmosphere is developed providing the loss factor profile of the atmosphere. With this profile the atmospheric attenuation as it depends upon the incidence angle is calculated for wavelengths between 2 cm and 20 cm. It is shown that the signal-to-noise ratios for a real aperture radar, a synthetic aperture radar, and communication links between a satellite and a landing probe achieve maximum values by the proper choice of the wavelengths. Furthermore, it turns out that the wavelength dependence is less crucial for the synthetic aperture radar compared to the other cases.
Document ID
19720024535
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Richter, K. R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 2, 2013
Publication Date
August 1, 1972
Subject Category
Communications
Report/Patent Number
NASA-TM-X-66046
X-730-72-323
Accession Number
72N32185
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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