In this paper, we analysis signal model of multi-path environment, and use high order cumulant method, together with some general DOA estimating method, to estimate DOA of multi-path accurately.
本文针对多径的影响，分析了多径情况下的信号模型，并采用基于高阶累积量的方法来解决多径情况下的DOA估计。
A method to diagnose the fault of the hydraulic system based on the high order cumulant fuzzy neural network method is presented.
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。
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