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针对A~2Π-X~2∑类型电子跃迁,建立了双原子分子或线性多原子分子电子跃迁谱线的标识方法及视图人机交互式计算机辅助标识程序。以CS~+A~2Π_(3/2)(v=1)←X~2∑~+(v=0)跃迁的速度调制光谱为例,介绍了这类转动分辨电子吸收光谱的标识方法,并按CS~+分子能级结构的代数模型,对标识后的谱线数据进行了最小二乘拟合,得到CS~+初步的分子结构参数,为CS~+谱线的完备分析提供了重要信息。
Aiming at A ~ 2Π-X ~ 2Σ type electronic transitions, the identification method of diatomic molecular or linear polyatomic molecular electronic transition spectrum and the view of human-computer interactive computer-aided identification program are established. Taking the speed modulation spectrum of CS ~ + A ~ 2Π_ (3/2) (v = 1) ← X ~ 2Σ ~ + (v = 0) transitions as an example, the identification methods of these rotationally resolved electron absorption spectra are introduced. According to the algebraic model of energy structure of CS ~ +, the least square fitting was performed on the identified spectral data to obtain the preliminary molecular structure parameters of CS ~ +, which provided important information for the complete analysis of CS ~ + spectra information.