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ERA modal identification method for hydraulic structures based on order determination and noise reduction of singular entropy[J] LIAN JiJian1; LI HuoKun1;2 & ZHANG JianWei1 1 School of Civil Engineering; Tianjin University; Tianjin 300072; China; 2 School of Civil Engineering; Nanchang University; Nanchang 330031; China Science in China(Series E:Technological Sciences) 2009, 02
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