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小木虫论坛-学术科研互动平台 » 化学化工区 » 电化学 » 电分析测试 » 【求助】请问用Zview拟合时warburg的各个参数代表什么
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honeyduck

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[交流] 【求助】请问用Zview拟合时warburg的各个参数代表什么已有9人参与

现在想要用到zview中的CPE和Warburg原件，请问各是什么意思，怎样的原件？CPE1—T,CPE1—p和W1-R,W1-T,W1-P各参数代表什么。以及Zview中的Wo(Warburg element(open))和Ws(Warburg element(short))有什么区别?
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1楼2009-07-01 00:08:23
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mengfan

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ratio(金币+2):谢谢应助，欢迎常来！！ 2010-04-27 18:09
Finite Length Warburg - Open Circuit Terminus        



       Z = R*ctnh([I*T*w]^P) / (I*T*w)^P



       Parameters:        Wo-R, Wo-T, Wo-P



This element is also known as a Generalized Finite Warburg element (GFW). It is an extension of another more common element, the Finite-Length Warburg (FLW).



To use the FLW equation, set Wo-P = 0.5 and set its freedom to 'fixed'.



The FLW is the solution of the one-dimensional diffusion equation of a particle, which is completely analogous to wave transmission in a finite-length RC transmission line.



In the diffusion interpretation Wo-T = L2 / D. (L is the effective diffusion thickness, and D is the effective diffusion coefficient of the particle).



The GFW is similar to this, but for it the square root becomes a continuously varying exponent Ws-P such that 0 < Ws-P < 1.



This version of the Warburg element is terminates in a open circuit. At very low frequencies, the  Z' approaches Wo-R and Z'‘ continues to increase - similar to the behavior of a capacitor.



If the data exhibits only the high frequency (45 degree slope) behavior and not the transition to low frequency behavior, either Wo-R or Wo-T must be set as Fixed(X). Alternately, a CPE can be used in this situation.
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4楼2010-04-27 10:12:08
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qiuning8878

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也想知道!
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2楼2009-07-05 20:06:05
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mengfan

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3楼2010-04-27 10:11:47
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mengfan

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Finite Length Warburg - Short Circuit Terminus        



       Z = R*tanh([I*T*w]^P) / (I*T*w)^P        Parameters: Ws-R, Ws-T, Ws-P



This element is also known as a Generalized Finite Warburg element (GFW). It is an extension of another more common element, the Finite-Length Warburg (FLW).



To use the FLW equation, set Ws-P = 0.5 and set its freedom to 'fixed'.



The FLW is the solution of the one-dimensional diffusion equation of a particle, which is completely analogous to wave transmission in a finite-length RC transmission line.



In the diffusion interpretation Ws-T = L^2 / D. (L is the effective diffusion thickness, and D is the effective diffusion coefficient of the particle).



The GFW is similar to this, but for it the square root becomes a continuously varying exponent Ws-P such that 0 < Ws-P < 1.



If the data exhibits only the high frequency (45 degree slope) behavior and not the transition to low frequency behavior, either Wo-R or Wo-T must be set as Fixed(X). Alternately, a CPE can be used in this situation.



This version of the Warburg element is terminates in a finite resistance. At very low frequencies, Z’ approaches Ws-R and Z’‘ goes to zero
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5楼2010-04-27 10:12:28
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strawboss

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如果你已经装了ZView的话，在HELP里面你想知道的就都有
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6楼2014-09-01 18:50:46
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摩天轮5920

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7楼2017-02-13 21:20:23
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逝水aa

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引用回帖:
4楼: Originally posted by mengfan at 2010-04-27 10:12:08
Finite Length Warburg - Open Circuit Terminus        



       Z = R*ctnh(^P) / (I*T*w)^P



       Parameters:        Wo-R, Wo-T, Wo-P



This element is also known as a Generalized  ...

你好，麻烦问下，你给出的这段解释是出自哪里，我这方面知识欠缺，需要学习一下，麻烦你能告知一下。非常感谢！
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努力吧
8楼2017-03-27 16:45:41
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逝水aa

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8楼: Originally posted by 逝水aa at 2017-03-27 16:45:41
你好，麻烦问下，你给出的这段解释是出自哪里，我这方面知识欠缺，需要学习一下，麻烦你能告知一下。非常感谢！...

是Zview里的帮助文件吗
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努力吧
9楼2017-03-27 16:46:31
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jhl2011

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4楼: Originally posted by mengfan at 2010-04-27 10:12:08
Finite Length Warburg - Open Circuit Terminus        



       Z = R*ctnh(^P) / (I*T*w)^P



       Parameters:        Wo-R, Wo-T, Wo-P



This element is also known as a Generalized  ...

请问
Z = R*ctnh([I*T*w]^P) / (I*T*w)^P
   Parameters:        Wo-R, Wo-T, Wo-P
公式里面这个 I 是什么？
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10楼2017-06-19 10:37:19
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