Showing 1 - 20 results of 715 for search '"sunspots"', query time: 0.14s Refine Results
  1. 1

    Sunspots and starspots / by Thomas, John H., 1941-, Weiss, N. O. (Nigel Oscar)

    Published 2008
    Subjects: “…Sunspots…”
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    Rational sunspots by Ascari, G, Lopes, P

    Published 2016
    Working paper
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    Magnetic Structure of Sunspots by Juan M. Borrero, Kiyoshi Ichimoto

    Published 2011-09-01
    Subjects: “…Sunspots…”
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    Article
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    Sunspot velocity fields by Holmes, J

    Published 1962
    “…<p>Research in sunspot velocity fields was initiated by Evershed in 1909. …”
    Thesis
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    Evolutions of various solar indices around sunspot maximum and sunspot minimum years by R. P. Kane, R. P. Kane

    Published 2002-06-01
    “…The smoothed monthly sunspot numbers showed that in many solar cycles, (a) during years around sunspot maxima, there was only one prominent maximum, but in some cycles there was a broad plateau. …”
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    Article
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    The transition region above sunspots by Hui Tian, Tanmoy Samanta, Jingwen Zhang

    Published 2018-02-01
    Subjects: “…Sunspots…”
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    Article
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    Forecasting sunspot numbers with Feedforward Neural Networks (FNN) using 'sunspot neural forecaster' system by Reza Ezuan, Samin, Muhammad Salihin, Saealal, Azme, Khamis, Syahirbanun, Isa, Ruhaila, Md. Kasmani

    Published 2011
    “…This paper presents the investigations of forecasting performance of different type of Feedforward Neural Networks (FNN) in forecasting the sunspot numbers. Feedforward Neural Network will be used in this investigation by using different learning algorithms, sunspot data models and FNN transfer functions. …”
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    Conference or Workshop Item
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    On the empirical separability of news shocks and sunspots by Marco M. Sorge

    Published 2010-12-01
    “…By means of a few simple examples, we show that, when accounting for indeterminate equilibria, empirical difficulties are likely to arise in distinguishing between determinate models driven by news shocks or rather by indeterminate ones under non-fundamental – or arbitrarily related to fundamentals – sunspot noise.…”
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    Article
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    Prediction of even and odd sunspot cycles by Asikainen Timo, Mantere Jani

    Published 2023-01-01
    Subjects: “…sunspot cycle…”
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    Article