Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.120..211v&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 120, no. 2, March 1986, p. 211-221.
Astronomy and Astrophysics
Astrophysics
1
Algorithms, Shock Discontinuity, Solar Wind, Interplanetary Magnetic Fields, Pioneer 7 Space Probe, Shock Waves
Scientific paper
A study is presented of an algorithm, based on the statistical analysis of interplanetary magnetic field data, for the real-time detection of discontinuities in the solar wind. The analysis is based on the application of a 'sliding' or 'searching' algorithm together with a minimum variance treatment. A demonstration is given for a Pioneer data set from August 29, 1966. This particular data set was chosen because it has been extensively studied (in terms of the fast forward MHD shock wave) by previous groups who utilized the three-dimensional Rankine-Hugoniot shock equations after identifying the shock on a subjective basis. The procedure differs in that it is perfectly objective because of its 'searching' technique. For this particular data set the original shock is identified with excellent agreement with the earlier studies of its normal vector, as well as an additional shock and tangential discontinuity, neither of which had been identified previously.
Danov K.
Kartalev M.
Mateev P.
Petrov P. P.
Vandev D.
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