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Discrete direction method in nonlinear problem of incoherent scattering spectrum fitting

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Abstract

A new fitting technique based on functional partition by simplexes of the nth order is developed to determine ionospheric plasma parameters with spectral measurement data from the Irkutsk incoherent scatter radar. In this approach, the search for a minimum of a multidimensional functional is reduced to a minimized calculation of model functions in each iteration. The algorithm also allows simplification of the search-stop criterion.

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Authors and Affiliations

  1. Institute of Solar-Terrestrial Physics, Siberian Branch, Russian Academy of Sciences, ul. Lermontova 126a, Irkutsk, 664033, Russia

    B. G. Shpynev & A. L. Voronov

Authors
  1. B. G. Shpynev
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  2. A. L. Voronov
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Original Russian Text © B.G. Shpynev, A.L. Voronov, 2009, published in Solnechno-Zemnaya Fizika, 2009, Vol. 14, pp. 77–81.

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Shpynev, B.G., Voronov, A.L. Discrete direction method in nonlinear problem of incoherent scattering spectrum fitting. Geomagn. Aeron. 50, 908–913 (2010). https://doi.org/10.1134/S0016793210070133

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