摘要
ThewaterdistributionsystemofoneresidentialdistrictinTianjinistakenasanexampletoanalyzethechangesofwaterquality.Partialleastsquares(PLS)regressionmodel,inwhichtheturbidityandFeareregardedascontrolobjectives,isusedtoestablishthestatisticalmodel.TheexperimentalresultsindicatethatthePLSregressionmodelhasgoodpredictedresultsofwaterqualitycomparedwiththemonitoreddata.Thepercentagesofabsoluterelativeerror(below15%,20%,30%)are44.4%,66.7%,100%(turbidity)and33.3%,44.4%,77.8%(Fe)onthe4thsamplingpoint;77.8%,88.9%,88.9%(turbidity)and44.4%,55.6%,66.7%(Fe)onthe5thsamplingpoint.
出版日期
2009年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
