affiliation not provided to SSRN
Hygrometer, TDLAS(Tunable diode laser absorption spectroscopy), DLIA (Digital Lock-In Amplifier), FPGA (Field-Programmable Gate Array), Water vapour sensing
water vapour, tunable diode laser absorption spectroscopy, optically thick condition, highly water-saturated regime, spectral processing, signal-to-noise ratios (SNRs), long-term stability