Denoising of Digital Filtering Based on Wavelength Modulation Spectroscopy

Lifang Zhang; Fei Wang; Hao Wei; Jing Wang; Haibin Cui; Guanjia Zhao

doi:10.3788/LOP202158.0730001

[1] Li J S, Parchatka U, Fischer H. Applications of wavelet transform to quantum cascade laser spectrometer for atmospheric trace gas measurements[J]. Applied Physics B, 108, 951-963(2012).

[2] Ma S, Wu T, Sun C L et al. Real-time exhaled CO2 gas measurement using a mid-infrared hollow waveguide fiber[J]. Acta Optica Sinica, 40, 1130001(2020).

[3] Zhang B Q, Xu Z Y, Liu J G et al. Absorption model of wavelength modulation spectroscopy in combustion flow field[J]. Chinese Journal of Lasers, 46, 0711001(2019).

[4] Zou D B, Chen W L, Du Z H et al. Selection of digital filtering in the escaping ammonia monitoring with TDLAS[J]. Spectroscopy and Spectral Analysis, 32, 2322-2326(2012).

[5] Zhang Z R, Dong F Z, Tu G J et al. Selection of digital filtering techniques in trace gas concentration detection with a tunable diode laser absorption spectroscopy[J]. Journal of Optoelectronics Laser, 21, 1672-1676(2010).

[6] Shao J, Gao X M, Yuan Y Q et al. Experimental research on the sensitivity of wavelength modulation by signal processing[J]. Acta Physica Sinica, 54, 4638-4642(2005).

[7] Guo X Q, Qiu X B, Ji W H et al. Minimization of optical fringes in TDLAS by an empirical mode decomposition algorithm[J]. Laser & Optoelectronics Progress, 55, 113001(2018).

[8] Werle P W, Scheumann B, Schandl J. Real-time signal-processing concepts for trace-gas analysis by diode-laser spectroscopy[J]. Optical Engineering, 33, 3093-3105(1994).

[9] Leleux D P, Claps R, Chen W et al. Applications of Kalman filtering to real-time trace gas concentration measurements[J]. Applied Physics B, 74, 85-93(2002).

[10] Zhang L F, Wang F, Yu L B et al. The experimental research on reducing the minimum measureable limit of tunable diode laser absorption spectroscopy with wavelet analysis[J]. Spectroscopy and Spectral Analysis, 36, 1794-1798(2016).

[11] Cui H B, Yang K, Zhang L et al. Tunable diode laser absorption spectroscopy(TDLAS)detection signal denoising based on Gabor transform[J]. Spectroscopy and Spectral Analysis, 36, 2997-3002(2016).

[12] Lu Y B, Liu W Q, Zhang Y J et al. An adaptive hierarchical Savitzky-Golay spectral filtering algorithm and its application[J]. Spectroscopy and Spectral Analysis, 39, 2657-2663(2019).

[13] Xia H, Dong F Z, Zhang Z R et al. Signal analytical processing based on wavelet transform for tunable diode laser absorption spectroscopy[J]. Proceedings of SPIE, 7853, 785311(2010).

[14] Zhou Wei[M]. MATLAB wavelet analysis advanced technology(2006).

[15] Chen J, Jönsson P, Tamura M et al. A simple method for reconstructing a high-quality NDVI time-series data set based on the Savitzky-Golay filter[J]. Remote Sensing of Environment, 91, 332-344(2004).

[16] Li N. Research on gas detection and 2D distribution reconstruction by tunable diode laser absorption spectroscopy technique[D], 16-29(2008).