《Table 3–Curve-fitting results of all spectra from both soot samples using two-band (2 L) fitting me

《Table 3–Curve-fitting results of all spectra from both soot samples using two-band (2 L) fitting me   提示：宽带有限、当前游客访问压缩模式
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《Raman spectroscopy of diesel and gasoline engine-out soot using different laser power》


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As the first step，two band fitting method（D1 and G bands）is considered.Three different functions，including Gaussian Lorentzian，and Voigt，are used to fit the two bands.To identify the best fitting，different combinations of the three fitting functions（Gaussian，Lorentzian，Voigt）were tested on the spectrum taken with 0.1 mW from diesel soot sample Effectiveness of the fitting curve is evaluated based on the value of COD（R2）.“1”indicates a perfect fitting，while“0”indicates the worst fitting.The results are listed in Table 2.All fittings involving Gaussian lineshape show relatively low COD while fittings involving Lorentzian lineshape consistently give the highest COD.Performance of Voigt function is between Gaussian and Lorentzian.The combination of Lorentzian+Lorentzian（2L）gives the best fit to the experimental data.

图表编号XD0052053600    严禁用于非法目的
绘制时间2019.05.15
作者Haiwen Ge、Zhipeng Ye、Rui He
绘制单位Department of Mechanical Engineering, Texas Tech University、Department of Electrical and Computer Engineering, Texas Tech University、Department of Electrical and Computer Engineering, Texas Tech University
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