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Automatic trend estimation978-94-007-4825-5Series ISSN 2191-5423 Series E-ISSN 2191-5431人工制品 发表于 2025-3-25 17:50:51
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Introduction,ntroductory chapter we briefly present some basic notions which are used in the rest of the book. The main methods to estimate trends from noisy time series are introduced in Sect. 1.2. In the last section we discuss the properties of the order one autoregressive stochastic process AR(1) which has tEstrogen 发表于 2025-3-26 00:50:44
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Estimation of Monotonic Trend Segments from a Noisy Time Series, monotonic variations into many small fluctuations, but the global shape of the trend is recognizable because the trend local extrema have a larger time scale than those induced by noise. By rigorously defining the time scale of a local extremum we design an automatic algorithm to estimate the trend