The analysis on dynamic property of BSS show that the vertical vibration modes is primary, and the geometrical stiffness has little influence on the natural vibration characteristics.
对结构动力特性的分析表明其振动以竖向振型为主，几何刚度对结构自振特性影响很小。
According to signals sparsity by Curvelet transform, the mixed matrix can be estimated with C-means cluster analysis, and the estimated value is looked as initial value of BSS algorithm.
该方法利用Curvelet多尺度几何分析后信号的稀疏性特点，采用了C - means聚类方法寻求混合矩阵估计值，把该估计值作为算法初始值。
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