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ldy1985木蟲(chóng) (正式寫(xiě)手)
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[交流]
【求助】高價(jià)求一阻抗擬合
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擬合數(shù)據(jù) 說(shuō)明:儀器有限,此數(shù)據(jù)高頻段只有1/4的弧,可以盡量擬合,我用的是r(c(r(q(r(qr)))))。在低頻段,會(huì)出現(xiàn)在0以下的數(shù)據(jù),如果不好擬合,可以將此段去掉,只擬合三個(gè)容抗弧部分,謝謝了。! Freq/Hz Z'/ohm Z"/ohm Z/ohm Phase/deg 9.67E+04 1.42E+01 -9.75E+00 1.72E+01 -34.4 8.11E+04 1.56E+01 -9.61E+00 1.83E+01 -31.6 6.64E+04 1.73E+01 -9.22E+00 1.96E+01 -28.1 5.47E+04 1.85E+01 -8.77E+00 2.05E+01 -25.4 4.59E+04 1.96E+01 -8.30E+00 2.13E+01 -23 3.71E+04 2.06E+01 -7.49E+00 2.19E+01 -20 3.13E+04 2.10E+01 -7.29E+00 2.23E+01 -19.1 2.54E+04 2.19E+01 -6.93E+00 2.30E+01 -17.6 2.15E+04 2.26E+01 -6.79E+00 2.36E+01 -16.7 1.76E+04 2.32E+01 -6.54E+00 2.41E+01 -15.8 1.47E+04 2.37E+01 -6.50E+00 2.46E+01 -15.3 1.17E+04 2.41E+01 -6.68E+00 2.50E+01 -15.5 9.67E+03 2.47E+01 -6.70E+00 2.56E+01 -15.2 8.11E+03 2.53E+01 -6.97E+00 2.62E+01 -15.4 6.64E+03 2.59E+01 -7.39E+00 2.69E+01 -15.9 5.47E+03 2.66E+01 -7.86E+00 2.78E+01 -16.5 4.59E+03 2.73E+01 -8.40E+00 2.86E+01 -17.1 3.71E+03 2.83E+01 -9.14E+00 2.97E+01 -17.9 3.13E+03 2.92E+01 -9.83E+00 3.08E+01 -18.6 2.54E+03 3.05E+01 -1.07E+01 3.23E+01 -19.4 2.15E+03 3.17E+01 -1.16E+01 3.38E+01 -20.1 1.76E+03 3.34E+01 -1.24E+01 3.56E+01 -20.4 1.47E+03 3.51E+01 -1.33E+01 3.76E+01 -20.7 1.17E+03 3.76E+01 -1.39E+01 4.01E+01 -20.3 9.67E+02 3.96E+01 -1.48E+01 4.23E+01 -20.4 8.11E+02 4.19E+01 -1.49E+01 4.45E+01 -19.6 6.64E+02 4.43E+01 -1.49E+01 4.67E+01 -18.6 5.47E+02 4.66E+01 -1.45E+01 4.88E+01 -17.2 4.59E+02 4.84E+01 -1.40E+01 5.04E+01 -16.1 3.71E+02 5.03E+01 -1.33E+01 5.20E+01 -14.8 3.13E+02 5.18E+01 -1.28E+01 5.33E+01 -13.9 2.54E+02 5.32E+01 -1.21E+01 5.45E+01 -12.9 2.15E+02 5.42E+01 -1.18E+01 5.55E+01 -12.3 1.76E+02 5.53E+01 -1.16E+01 5.65E+01 -11.8 1.47E+02 5.63E+01 -1.16E+01 5.75E+01 -11.6 1.17E+02 5.75E+01 -1.17E+01 5.86E+01 -11.5 9.77E+01 6.17E+01 -1.31E+01 6.31E+01 -12 8.14E+01 6.32E+01 -1.37E+01 6.47E+01 -12.2 6.98E+01 6.49E+01 -1.45E+01 6.65E+01 -12.6 5.74E+01 6.68E+01 -1.55E+01 6.86E+01 -13 4.65E+01 6.88E+01 -1.64E+01 7.07E+01 -13.4 3.76E+01 7.16E+01 -1.77E+01 7.37E+01 -13.9 3.15E+01 7.42E+01 -1.88E+01 7.66E+01 -14.2 2.57E+01 7.75E+01 -1.98E+01 8.00E+01 -14.3 2.12E+01 8.11E+01 -2.04E+01 8.36E+01 -14.1 1.74E+01 8.51E+01 -2.08E+01 8.77E+01 -13.7 1.44E+01 8.89E+01 -2.05E+01 9.12E+01 -13 1.19E+01 9.31E+01 -1.98E+01 9.52E+01 -12 9.77E+00 9.73E+01 -1.84E+01 9.90E+01 -10.7 8.07E+00 1.01E+02 -1.68E+01 1.02E+02 -9.4 6.64E+00 1.04E+02 -1.45E+01 1.05E+02 -8 5.49E+00 1.07E+02 -1.25E+01 1.07E+02 -6.7 4.54E+00 1.08E+02 -9.54E+00 1.09E+02 -5 3.74E+00 1.10E+02 -7.39E+00 1.10E+02 -3.8 3.09E+00 1.11E+02 -5.13E+00 1.11E+02 -2.6 2.55E+00 1.12E+02 -2.99E+00 1.12E+02 -1.5 2.11E+00 1.12E+02 -9.10E-01 1.12E+02 -0.5 1.74E+00 1.13E+02 8.75E-01 1.13E+02 0.4 1.43E+00 1.11E+02 2.23E+00 1.11E+02 1.1 1.18E+00 1.12E+02 3.86E+00 1.12E+02 2 9.77E-01 1.11E+02 5.57E+00 1.11E+02 2.9 8.07E-01 1.11E+02 6.18E+00 1.11E+02 3.2 6.64E-01 1.12E+02 7.64E+00 1.12E+02 3.9 5.49E-01 1.12E+02 8.69E+00 1.12E+02 4.5 4.54E-01 1.12E+02 1.01E+01 1.12E+02 5.2 3.74E-01 1.12E+02 1.03E+01 1.12E+02 5.3 3.09E-01 1.12E+02 1.13E+01 1.12E+02 5.8 2.55E-01 1.12E+02 1.16E+01 1.13E+02 5.9 2.11E-01 1.15E+02 1.28E+01 1.16E+02 6.3 1.74E-01 1.17E+02 1.14E+01 1.17E+02 5.6 1.43E-01 1.20E+02 1.18E+01 1.21E+02 5.6 1.18E-01 1.25E+02 1.15E+01 1.25E+02 5.3 [ Last edited by ldy1985 on 2010-9-4 at 19:58 ] |
榮譽(yù)版主 (知名作家)

木蟲(chóng) (正式寫(xiě)手)
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[quote]Originally posted by zlin at 2010-09-05 10:18:23: 你這是電池體系吧? 低頻段出現(xiàn)感抗是很經(jīng)常的事情 我試著將你低頻段去掉之后,然后采用R(QR)(QR)(QR)等效電路擬合,by the way,出現(xiàn)這樣的容抗弧還是采用這樣并聯(lián)的電路擬合比較好! 告訴我你的郵箱, ... [/quote 我這是關(guān)于黃銅礦鈍化膜l的,那就是說(shuō)低頻出現(xiàn)的感抗可以不用管?我也用R(QR)(QR)(QR)進(jìn)行擬合過(guò),但看那個(gè)誤差好像很多都大于10了。ldy19853044@163.com 這是郵箱,以后請(qǐng)多多指教!謝謝 |
榮譽(yù)版主 (知名作家)

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