更高阶特征 Higher-order features
为解决因高阶统计特征 Higher order statistics ; HOS
高阶分形特征 high-order fractal feature
该方法的关键是依据高阶统计量原理，分析地震信号的高阶统计量特征。
The key of the method is to analyze the feature of high order statistic of seismic signal based on high order statistic.
用高阶谱分析方法，对肺音信号进行了特征提取。
The lung sound feature were extracted by using higher-order spectral technique.
而高阶煤的成浆稳定性，主要依赖于分散剂的结构特征。
The CWS stability of high rank coal depends mainly on the structure characteristic of dispersant.
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