研究论文
李立勇,刘培桐,王华东.数据组合处理方法(GMDH)建立河流水质模型初探[J].环境科学学报,1987,7(2):150-157
数据组合处理方法(GMDH)建立河流水质模型初探
- MODELING RIVER WATER QUALITY BY A MODIFIED GMDH——A CASE STUDY OF YANG RIVER
- 摘要：本文主要探讨以PSS为准则的改进型数据组合处理方法(GMDH)在河流水质模型化中的应用,提出在建模前进行变量的预选择以及根据PSS准则、相对误差和模型的物理意义选出最佳的模型,并以洋河有机物的预测模型为实例进行了考察。改进的GMDH具有自选择变量、自组织结构、快速建模的功能,且所建的模型具有良好的物理意义。
- Abstract：The GMDH (PSS criterion) was modified for river water quality modeling. The modified GMDH could selfselect variables and selforganize the structure of model. It was suggested that the pre-selection of variables should be done prior to modeling and the model should be selected according to PSS criterion, relative error and the physical meaning of models. As an example, the method was applied to develop the predicting model of organic matter in Yang River.
- Key words：GMDH water quality model Yang River.
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