Based on the threshold idea of threshold regression model, the threshold factors and threshold values are introduced and determined by the correlation analysis method of best curve fitted in conventional regression model.

• 借鉴门限自回归模型的门限思想，在常规回归模型中引入门限因子和门限值，利用提出的最佳拟合相关分析法确定门限因子和门限值，建立了门限回归模型。