【作者】 汤丽华； 赵吴静； 金菊良； 张明；

【Author】 TANG Li-hua, ZHAO Wu-jing, JIN Ju-liang, ZHANG Ming ( College of Civil Engineering, Hefei University of Technology, Hefei 230009, China; Dept of Hydraulic Engineering, Anhui Technical College of Water Resources and Hydroelectric Power, Hefei 230601, China)

【机构】 合肥工业大学土建学院； 安徽水利水电职业技术学院水利工程系；

【摘要】 准确的水质评价在水资源可持续发展中具有重要的意义。运用相似理论建立评价模型的关键问题是如何合理确定样本间的相似度。提出非等权距离系数法计算相似度,并用最大信息熵原理处理权重的随机性,建立了新的水质评价模型。结果说明,新模型评价精度高、实用简便,在系统综合评价中具有应用价值。更多还原

【Abstract】 Precise evaluation of water quality is vital to the sustainable development of water resource systems. The key problem of establishing model using similitude principle is how to ascertain the similarity degrees between samples reasonably. Thus, a method of uneven weight distance coefficient used for calculating the similarity degree was put forward, and a new model was established based on the maximum information entropy principle used for dealing with the weight randomicity. The research result shows that the new model is of high precision, simple, effective, and general, and therefore can be applied to different comprehensive evaluation of systems.更多还原