基于集对分析原理建立了降雨相似性评价方法——集对分析法,并应用于东北松嫩流域的降雨相似性评价。结果表明:1957-06-16的降雨与目标降雨最为相似,其次是1969-07-11的降雨。把集对分析法的降雨相似性评价结果与综合评判物元模型方法和模糊可变集合方法的结果进行对比,发现集对分析法的评价结果更可信。集对分析法通过联系度展示了评价对象间关系的精细结构,且原理简单,计算过程直观形象,易操作。
Based on set pair analysis theory, a new method of rainstorm similarity assessment, Set Pair Analysis Method, was proposed in this paper and applied to the assessment of the similarity of rainstorm in Northeast Songnen basin. The results showed that the most similar to the target rainstorm was rainstorm in June 16,1957, followed by rainstorm in July 11,1969. The assessment results of similarity assessment of rainstorm based on Set Pair Analysis Method was more reliable by comparing with the method of matter-element model for comprehensive evaluation and the variable fuzzy sets method. It could express the detailed structure of relationship between studied variables with the connection degree, and the principle was simple, intuitive image of the calculation process, easy to operate.