论文标题

恒定相元素的简单电路当量

Simple Circuit Equivalents for the Constant Phase Element

论文作者

Holm, Sverre, Holm, Thomas, Martinsen, Ørjan Grøttem

论文摘要

电流和电压之间具有频率无关的负相位的恒定相元件(CPE)在例如生物阻抗和电化学领域。它的物理含义只被部分理解。在这里,我们表明,通用电容CPE以及电感CPE的响应与简单的RL和RC电路的响应完全相同,在该电感和RC电路中,电感器或电容器的值随时间线性线性增加。通过使用Micro-CAP模拟程序模拟发现并验证了最终的步骤和脉冲响应。时间变化组件的实现与应用程序中已知的时变属性相关。

The constant phase element (CPE) with a frequency-independent negative phase between current and voltage is used extensively in e.g. the bioimpedance and electrochemistry fields. Its physical meaning is only partially understood. Here we show that the responses of both the common capacitive CPE as well as the inductive CPE are exactly the same as those of simple RL and RC circuits where the inductor's or capacitor's value increases linearly with time. The resulting step and impulse responses are found and verified by simulation with the Micro-Cap simulation program. The realization with time-varying components correlates with known time-varying properties in applications.

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