文章编号：1004-0609(2001)01-0162-05
最小方差预测法预测岩土工程变形
(石家庄铁道学院 交通工程系， 石家庄 050043)
摘 要: 根据最小方差预测理论，提出了用最小方差预测法预测岩土工程变形，对其建模机理和准则进行了论述，并对预测模型的优化方法进行了研究和探讨。在实际应用中，将最小方差预测法与其它预测方法进行了比较。结果表明，该方法建模简便，计算简单，模型更新优化快，能取得较高的预测精度。
关键字: 最小方差预测； 变形预测； 模型优化
Forecasting geotechnical engineering distortion with
least square error forecasting method
least square error forecasting method
（Department of Traffic Engineering， Shijiazhuang Railway Institute，
Shijiazhuang 050043, P.R.China）
Abstract:A method for forecasting geotechnical engineering distortion by applying the least square error forecasting theory was presented，and the model optimization was studied. In real application， modelling is more simple and easier，and model optimizing is faster than other forecasting methods. The method can get better forecasting precision.
Key words: least square error forecasting; forecasting distortion; model optimized
