Multivariate-coupled-enhanced photoacoustic spectroscopy with Chebyshev rational fractional-order filtering algorithm for trace CH4 detection - Zha, Shenlong; Chen, Hang; Liu, Chen; Guo, Yuxiang; Ma, Hongliang; Zhang, Qilei; Li, Lingli; Zhan, Shengbao; Cheng, Gang; Cao, Yanan; Pan, Pan (Photoacoustics (Munich), 2025)
Keywords: Chebyshev rational fractional-order filtering; Detection limit; Measurement precision; Multivariate coupled amplification; Photoacoustic spectroscopy; Chebyshev rational fractional-order filtering; Measurement precision; Photoacoustic spectroscopy; Detection limit; Multivariate coupled amplification