太阳日冕物质抛射特性的模糊分类研究

Fuzzy Classification of Solar Coronal Mass Ejection Properties

应用模糊集理论对日冕物质抛射(CME)特性进行分类研究.根据CME形态特性和特征因子之间的关系,重点阐明构造每个特性的隶属函数和确定权重因子的基本原理与方法.通过数据处理,对CME特性进行聚类分析.结果表明,模糊分类方法要优于传统的统计分析,对于CME特性按重要性分类,为空间环境的预报提供了-个具有实用价值的方法.

Fuzzy set theory is applied to a quantitative study of coronal mass ejection properties for importance category. The membership function can be determined according to statistical results and the correlation between CME morphology properties and characteristic factors. CME importance category has been obtained by data reduction. A useful software of data reduction has been successfully compiled. The results show that the fuzzy comprehensive evaluation is better than the classic statistical analysis.