The engineering practice proves that GM(1, N) model possesses rather good precision and forecast dependability comparing with GM(1,1) model , which hase some applied value on settlement forecast.
通过工程实例，证明GM（1，N）模型与GM（1，1）模型相比有较好的拟合精度和预测可靠度，对沉降预测有很大参考价值。
ARMA (1, 1) model is established to forecast the settlement during constructing subgrade and the time for next load.
建立了ARMA(1, 1)模型来对公路施工填筑期间的沉降进行短期预测，进而对下一级加载的时间进行预测。
GM (1, 1) model of unequal time span forecast of ground settlement is established based upon Grey theory. The result can be amended.
应用灰色理论，建立了不等时距的地基沉降预测GM(1, 1)模型，并可对结果进行修正。
应用推荐