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Geophysical and astronomical models applied in the analysis of very long baseline interferometryVery long baseline interferometry presents an opportunity to measure at the centimeter level such geodetic parameters as baseline length and instantaneous pole position. In order to achieve such precision, the geophysical and astronomical models used in data analysis must be as accurate as possible. The Mark-3 interactive data analysis system includes a number of refinements beyond conventional practice in modeling precession, nutation, diurnal polar motion, UT1, solid Earth tides, relativistic light deflection, and reduction to solar system barycentric coordinates. The algorithms and their effects on the recovered geodetic, geophysical, and astrometric parameters are discussed.
Document ID
19800020309
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ma, C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ryan, J. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Schupler, B. R. (Computer Sciences Corp. Greenbelt, Md., United States)
Date Acquired
August 10, 2013
Publication Date
July 1, 1980
Publication Information
Publication: Radio Interferometry
Subject Category
Earth Resources And Remote Sensing
Accession Number
80N28810
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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