只帮你做了前面半圆的拟合。
R1||C1+R2||CPE2
结果:553.220611997253(R1) 8.97503091259312e-10(C1) 50.5364388231405(R2) 1.92370011206794e-15(CPE2) 0.555078565255783(CPE的指数)
123.097563491472 -186.754405491789
150.633689460907 -212.970456142543
185.966790528639 -237.868642824821
229.261431947493 -258.711678078747
278.419228596744 -272.284578345793
331.095486210332 -276.582112870650
383.202812638583 -270.870763107947
430.997182380721 -256.375379821478
473.369876022856 -234.802131297389
507.626386362255 -209.619514543768
534.758355936178 -182.785826544738
555.047390657201 -156.762665401010
569.387294944885 -133.539328387016
579.865399220445 -112.456734477807
587.201382418989 -94.2593242969896
592.402877297946 -78.4373537939483
595.970095471823 -65.1708532391294
598.432270738863 -54.0129352455264
600.113364924102 -44.7488313279026
601.279286116987 -36.9402665647890
602.056304611954 -30.6262527455255
602.595963305982 -25.3172156722826
602.969816431043 -20.8534531323857
603.219100414056 -17.2420356967133
603.390778371140 -14.2290980139565
603.507413017896 -11.7479515538968
603.586389200358 -9.71371712264492
603.641103944636 -8.00641323457124
603.678030527667 -6.60918317409202
603.703240447146 -5.45325605316867
603.720324511106 -4.50425249127349
603.732112511402 -3.71047862811043
603.739941128092 -3.07197461613480
603.745365459494 -2.53699267676580
603.749117059322 -2.08828704531314
603.751615821032 -1.72586485766533
603.753335381711 -1.42384293333130
603.754480966380 -1.18049767656285
603.755299427888 -0.969942508447106
603.755840798775 -0.800807409873066
603.756218420516 -0.657559981542812
603.756458944330 -0.547103949562078
603.756638820447 -0.447003056831704
603.756751113863 -0.371064388921650
603.756833217957 -0.303755079748457
603.756883652038 -0.253704549977024
603.756919860992 -0.210557531461196
603.756948605847 -0.168618622083259
603.756963353479 -0.142385227160303
603.756975029947 -0.117532535454616
第一列Zr,第二列Zi