NDLI: Effects of turbulence in the atmosphere of venus on pioneer venus radio, phase 2

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Effects of turbulence in the atmosphere of venus on pioneer venus radio, phase 2

Content Provider	NASA Technical Reports Server (NTRS)
Author	Woo, R. T. Kendall, W.
Copyright Year	1974
Description	Two problems related to the effects of turbulence in the atmosphere of Venus on the Pioneer entry probe radio link were studied. In the first problem, the cross correlation between the log amplitude and phase fluctuations of the Pioneer Venus communications link is examined. Data show that for fluctuation frequencies above approximately 1 Hz there is little or no correlation. For frequencies below this region the correlation is weak and the square root of the coherence has a peak value close to 0.65. The second problem consists of interferring turbulence characteristics of the Venus atmosphere from the Mariner 5 phase fluctuations. Data show that with the data processing techniques developed and currently available, the phase error due to oscillator drift, assumed trajectory delay, and spline curve fit exceed the turbulence induced fluctuations. Results show that it is not possible to interfere with the turbulence characteristics from Mariner 5 phase fluctuations.
File Size	591399
Page Count	34
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740023502
Archival Resource Key	ark:/13960/t1kh5c15t
Language	English
Publisher Date	1974-08-15
Access Restriction	Open
Subject Keyword	Radio Frequency Interference Pioneer Project Venus Atmosphere Wave Propagation Atmospheric Turbulence Atmospheric Entry Radio Communication Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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