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The Application of Hilbert-Huang Transform in Engine Test Data Procession
Author(s): 
Pages: 52-55
Year: Issue:  2
Journal: Vehicle & Power Technology

Keyword:  发动机Hilbert-Huang变换数据处理时频分析;
Abstract: Hilbert-Huang变换是最近发展起来的处理非线性非平稳信号的时频分析方法,该方法的关键部分是经验模态分解.针对经验模态分解的特点和发动机实测实验数据的特点,设计了经验模态分解过程中避免端点飞翼及有效获取数据局部极值点及包络线计算的方法,并通过实例,验证了该方法在发动机实验数据处理过程中的有效性.
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