Among current methods analyzing grounding grids in power current, the nodal method of analysis is the easiest and least exponentnumber of matrix in calculation.
节点电压法是当前分析接地网最简单、计算中矩阵的阶数最小的方法之一。
2
A linear ar model is set up to be applied in real-time flood forecasting. Two criterion AIC and BIC are used to decide the exponentnumber of the linear ar model.
建立线性自回归模型，应用于洪水实时预报，并应用aic、BIC这两种准则以确定自回归模型的阶数。
3
ADAR(ADaptive AR) predicting model is presented, whose parameters and exponentnumber can be adaptively tuned according to the characteristic variation of harmonic.