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.
利用高阶统计量模糊神经网络方法对液压系统故障进行诊断，解决低信噪比故障特征信号下的故障诊断问题。
A method to diagnose the fault of the hydraulic system based on the high order cumulant fuzzy neural network method is presented.
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