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在利用红外光谱进行多组分混合气体定量分析建模中，须根据各目标气体成分的光谱特点进行光谱维数降维和特征变量选择。以甲烷、乙烷、丙烷、异丁烷、正丁烷、异戊烷和正戊烷等7种气体为分析目标，采用最小绝对收缩和选择算子（LASSO）与弹性网络（ElasticNet）方法进行目标气体数据预处理。针对LASSO 和ElasticNet方法参数优化选择的问题，采用均方误差和预测偏差最小两个准则进行参数的优化选取。...
Evolution of Statistic Moments of 2D-Distributions of Biological Liquid Crystal Net Mueller Matrix Elements in the Process of Their Birefringent Structure Changes
Mueller-matrix birefringence matrix image kurtosis values
2011/4/21
This research is aimed to investigate the reliability of Mueller-matrix differentiation of birefringence change of optically thick layers of biological liquid crystals at the early stages of the chang...
The Degree of Mutual Anisotropy of Biological Liquid Crystals Net during the Diagnostics of Human Tissues Birefringence
birefringent consistency of parameters biological tissues
2011/4/21
To characterize the degree of consistency of parameters of the optically uniaxial birefringent liquid crystals (protein fibrils) nets of biological tissues a new parameter-complex degree of mutual ani...
Net emission coefficients of low temperature thermal iron-helium plasma
net emission coefficients iron-helium plasma
2011/5/5
Net emission coefficients of low temperature thermal iron-helium plasma mixture at atmospheric pressure are presented. The calculations are made assuming the plasma is in the local thermodynamic equil...