Compared with surrogate data, EEG data were confirmed to be nonlinear.
脑电数据经替代数据方法验证，具有非线性性质。
Spreadmarts are spreadsheets or desktop databases that function as surrogate data marts.
Spreadmarts是指用Excel表格或桌面数据库来完成data marts的功能。
Currently, the surrogate data method has become a widely used method in testing nonlinearity of time series.
目前，替代数据方法已逐渐成为时间序列的非线性成分检验中广为采用的一种方法。
There were significant differences of D2 and PD2 between original EEG data and phase randomization surrogate data.
原始脑电数据和经过相位随机化形成的替代数据的D2和PD2均存在着明显的差异。
In the analysis of time series, the surrogate data test is often performed in order to investigate nonlinearity in the data.
替代数据检验法是检验时间序列中是否存在确定性非线性成分的重要统计方法。
After original returns series are conducted by permuting and surrogate data, it is found that distributing character of returns is important source of multifractal spectrums.
对原始收益率序列进行置乱操作和替代数据处理，发现收益率序列的分布特征是多重分形谱产生的重要原因。
The surrogate data technique is one of the effective methods to identify the chaos in the time series. In this paper, we introduce a kind of surrogate data method based on correlation dimension.
替代数据方法是判定时间序列中是否具有混沌特性的一种有效方法，本文介绍了该方法中一种基于关联维数的混沌判据。
The results indicate that there is chaos in the real traffic flow and the improved surrogate-data technique can identify chaos exactly.
实证结果表明，我们实测的交通流中存在混沌，改进型的替代数据法能对其进行准确判别。
The results indicate that there is chaos in the real traffic flow and the improved surrogate-data technique can identify chaos exactly.
实证结果表明，我们实测的交通流中存在混沌，改进型的替代数据法能对其进行准确判别。
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