摘要
利用灰色关联分析,可挑选出与需水量关系较为紧密的影响因子,而利用前期的影响因子进行计算,可以使物元分析具有预测功能。讨论了物元分析的方法步骤及应用。结果表明:根据物元分析来预测未来义乌市需水量的变化趋势是较为理想的。
By the utilization of grey correlation analysis,the paper pick out impact factors in close relationship with water resources demand and use of previous impact factors to calculate,witch make matter element analysis possess forecast function.The paper discussed steps and applications of matter element analysis.The result showed that the forcast of future change tendency of water resources demand in Yiwu accordance with matter element analysis is relatively ideal.
出处
《水资源与水工程学报》
2012年第5期51-54,58,共5页
Journal of Water Resources and Water Engineering
基金
国家自然科学基金项目(41171430
40771044)
关键词
水资源
水资源需水量
物元分析
灰色关联分析
water resources
water resources demand
matter element analysis
gray correlation analysis
