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Parametric identification of time-varying systems from free vibration using intrinsic chirp componen
[期刊论文] 作者：Sha Wei,Shiqian Chen,Xingjian,
来源：力学学报:英文版 年份：2020
Time-varying systems are applied extensively in practical applications,and their related parameter identification techniques are of great significance for struc...
Modal identification of multi-degree-of-freedom structures based on intrinsic chirp component decomp
[期刊论文] 作者：Sha WEI,Shiqian CHEN,Zhike PEN,
来源：应用数学和力学:英文版 年份：2019
Modal parameter identification is a mature technology.However,there are some challenges in its practical applications such as the identification of vibration sy...
Modal identification of multi-degree-of-freedom structures based on intrinsic chirp component decomp
[期刊论文] 作者：Sha WEI,Shiqian CHEN,Zhike PEN,
来源：黑龙江科技学院学报 年份：2019
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Application of variational nonlinear chirp mode decomposition for the analysis of sound signal in th
[会议论文] 作者：Shiqian Chen,Zhike Peng,Xingjian Dong,Sha Wei,
来源：The 5th International Conference on Dynamics, Vibration and 年份：2018
Sound signals in the sea contain abundant information about the underwater environment and marine animals.Accurately extracting the signal features is very...
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