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。
By means of multielement analysis, 7 character indexes of 49 breeding material had been made by a main composition and cluster analysis in malting barley.
利用多元分析法对49个二棱型啤酒大麦育种材料的7个主要性状指标进行了主成份分析与聚类分析。
On the basis of practice, this paper designs a scientific and complete evaluation system, and sets up a model for the evaluation by means of fuzzy cluster analysis.
本文在实践经验的基础上，设计了科学全面的评价指标体系，并采用模糊聚类分析方法建立了供应商评价模型。
应用推荐