V. M. Zhuravlev, S. V. Letunovskiy, “Analysis of the long-term evolution of solar activity based on a series of Wolf numbers (I. Methodology)”, University proceedings. Volga region. Physical and mathematical sciences, 2010, Issue 4,Pages <nobr>120

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Physics

Analysis of the long-term evolution of solar activity based on a series of Wolf numbers (I. Methodology)

V. M. Zhuravlev^a, S. V. Letunovskiy^b

^a Mordovia State Pedagogical University named after M. E. Evsevyev, Saransk
^b Ulyanovsk State University (affiliated branch in Dimitrovgrad)

Abstract: Statistical characteristics of Volf number and number of groups sequence distributions and their evolution in time on scales about 100 years are investigated. The statistical semi-empirical model this distributions are represented. The statistical moment's method in application to a problem of evaluation Volf numbers distribution parameters is discussed.

Keywords: solar activity, Volf numbers, statistics, distribution evolution, moments method.

UDC: 533.933; 533.932