放电电流波动的分形分析
Fractal Analysis of Discharge Current Fluctuations
摘要：
利用多重分形去趋势涨落分析（MF-DFA）研究了等离子体中放电电流的涨落，发现等离子体中放电电流的涨落具有多重分形性质，表现为弱反关联过程。MF-DFA结果的原始系列与那些洗牌和替代系列的比较表明，相关的波动是负责的多重分形性质的放电电流。
英文摘要：
We use the multifractal detrended fluctuation analysis (MF-DFA) to study the electrical discharge current fluctuations in plasma and show that it has multifractal properties and behaves as a weak anti-correlated process. Comparison of the MF-DFA results for the original series with those for the shuffled and surrogate series shows that correlation of the fluctuations is responsible for multifractal nature of the electrical discharge current.
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