1. Causal correlation functions and Fourier transforms: Application in calculating pressure induced shifts Ma, Qiancheng; Tipping, R. H.; Lavrentieva, Nina N. 2012 Articles Spectrum analysisSpectrum analysis--Data processingSignal processingPressure broadeningFourier transform spectroscopyHilbert transformChemistry, Physical and theoretical
2. Two dimensional symmetric correlation functions of the Ŝ operator and two dimensional Fourier transforms: Considering the line coupling for P and R lines of linear molecules Ma, Qiancheng; Boulet, Christian; Tipping, R. H. 2014 Articles Chemistry, Physical and theoreticalFourier transform spectroscopySpectrum analysisSpectral line broadeningPressure broadening