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模型函数 复介电常数 复平面图 Debye ${{\varepsilon }^{*}}={{\varepsilon }_{h}}+\frac{\Delta \varepsilon }{1+jw\tau }$ Cole-Cole $\begin{matrix} & {{\varepsilon }^{*}}={{\varepsilon }_{h}}+\frac{\Delta \varepsilon }{1+{{(jw\tau )}^{1-\alpha }}} \\ & \ \ \ \ \ \ (0＜\alpha ＜1) \\ \end{matrix}$ Davidson-Cole $\begin{matrix} & {{\varepsilon }^{*}}={{\varepsilon }_{h}}+\frac{\Delta \varepsilon }{1+{{(jw\tau )}^{\beta }}} \\ & \ \ \ \ \ \ (0＜\beta ＜1) \\ \end{matrix}$ Havriliak-Negami $\begin{matrix} & {{\varepsilon }^{*}}={{\varepsilon }_{h}}+\frac{\Delta \varepsilon }{{{[1+{{(jw\tau )}^{1-\alpha }}]}^{\beta }}} \\ & \ \ \ \ \ \ (0＜\alpha ＜1,\ \ 0＜\beta ＜1) \\ \end{matrix}$