The results show that, in case of high-order dispersion, the positive and negative quintic nonlinearity also intensifies and weakens the cross-phase modulation instability, respectively.

研究表明，在高阶色散下，正负五阶非线性的存在仍然分别对交叉相位调制不稳定性起加强和削弱的作用；

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ConclusionBeing a quantitative method of non-Gaussianilty and nonlinearity for EEG study, the bispectral analysis can give more useful high-order information.

结论作为脑电信号非线性定量分析的一种研究方法，双谱分析可显示出常规脑电分析时无法显示的有价值的高阶信息。

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