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Wind speeds in lower atmosphere of Venus: Status report on possible measurement via differential VLBI tracking of entry probesThe potential of very-long-baseline interferometry (VLBI) is examined for use in the determination of wind speeds in Venus' lower atmosphere via the differential tracking of entry probes. A simplified mathematical model is presented in detail. An incomplete error analysis based on this model permits an educated guess to be made: an uncertainty in wind speed determination of no more than about 100/t m/sec, where t l is the corresponding time resolution in seconds, is an achievable goal, without the use of transponders on the miniprobes. If transponders are available on all probes, there should be little difficulty in estimating wind speeds with useful precision.
Document ID
19740014334
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Shapiro, I. I.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Date Acquired
September 3, 2013
Publication Date
May 1, 1972
Subject Category
Space Sciences
Report/Patent Number
NASA-CR-138128
Accession Number
74N22447
Funding Number(s)
CONTRACT_GRANT: NGR-22-009-694
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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