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详细阐述了灰色模型的基本内容和动态灰色模型的实现,并成功将其应用于陕西省某路段软土地基的沉降预测。实践及理论证明,动态灰色预测模型由于实时加入系统的最新数据,提高灰区间的白度,预测精度比传统灰色模型高,表明动态灰色模型理论正确,精度合格,能够满足实际工程应用。用MATLAB编制了动态灰色模型预测程序,使应用该模型进行预测变得简便易行,大大节省了工作量。
The basic contents of the gray model and the realization of the dynamic gray model are elaborated in detail and applied to the settlement prediction of the soft ground in a section of Shaanxi Province successfully. The practice and theory prove that the dynamic gray forecast model is more accurate than the traditional gray model due to adding the latest data of the system in real time to improve the whiteness of the gray interval. It shows that the dynamic gray model is correct and the precision is qualified, which can meet the practical engineering application. The dynamic gray model prediction program is compiled with MATLAB, making it easy to predict using this model, which saves a lot of workload.