文章摘要信息 关键词 ： 低阶煤 原位 红外光谱 峰拟合 干燥温度 [gap=969]Keywords : low rank coal；insitu；FTIR；peak fitting；drying temperature
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Multi-peak fitting 多峰拟合
post-peak fitting curve 峰后拟合曲线
Full-energy peak fitting 全能峰拟合
gaussian multi peak fitting 高斯多峰拟合
peak value fitting 分峰拟合
Three functions of peak reflectivity and bandwidth and centroid wavelength related to roughness are obtained by fitting above results.
通过拟合计算结果，得到了峰值反射率、带宽和中心波长与粗糙度的函数关系。
Experiments proved the validity of the model. Taking Peak Signal-to-Noise Ratio (PSNR) as criterion the best preference was found by using polynomial fitting.
通过实验验证了该算法的有效性，并以峰值信噪比(PSNR)为评价准则，利用多项式拟合方法选择了最优参数。
The multi-peak distribution of signal analysed by multiplex fitting approximating method is also discussed in the paper.
文中还讨论用多次拟合逼近法对雾粒多峰分布的信号进行分析的方法。
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