Upon using linear regression model,a new pH value model in Nanning was developed by means of empirical orthogonal functions(EOF) as predictors of previous meteorological,polluted and diffused data,and selecting the high relative principal components.

 
  • 對南寧市降水pH值的前期氣象場(chǎng)、污染特征和擴散條件等相關(guān)初選預報因子進(jìn)行EOF展開(kāi),并取其中與預報量相關(guān)顯著(zhù)、且方差貢獻大的主成分,結合逐步回歸技術(shù),建立了一種新的降水pH值預報模型。
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