Spectroscopy and Spectral Analysis, Volume. 42, Issue 3, 776(2022)
Study on Compressed Sensing Method for Raman Spectroscopic Analysis of Isotope Hydrogen Gas
Fig. 1. (a) Simulated spectrum; (b) Simulated spectrum with noise; (c) Reconstructed spectrum by FTOMP; (d) Reconstructed spectrum by LoOMP; (e) Denoising spectrum with Wavelet soft threshold; (f) Denoising spectrum with Wavelet hard threshold; (g) SG filtered spectrum
Fig. 2. Compressed sensing method to reconstruct the signal
(a):
Fig. 3. Raman spectrum of H2 and D2 mixed gas with 1 s collection time
Fig. 4. (a) Raman spectrum of H2 and D2 mixed gas with 1 s collection time; (b) Reconstructed spectrum by FTOMP; (c) Reconstructed spectrum by LoOMP; (d) Denoising spectrum by Wavelet soft threshold; (e) Denoising spectrum by Wavelet hard threshold; (f) SG filtered spectrum
Fig. 5. The difference in the D2 signal intensity by LoOMP and FTOMP
(a): Intensity error of D2 signal
Fig. 6. The difference in the D2 signal intensity by LoOMP and FTOMP
(a): Intensity of D2 signal
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Yong-tian REN, Yi HU, Jun CHEN, Jun CHEN. Study on Compressed Sensing Method for Raman Spectroscopic Analysis of Isotope Hydrogen Gas[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 776
Category: Research Articles
Received: Feb. 5, 2021
Accepted: May. 8, 2021
Published Online: Apr. 19, 2022
The Author Email: Yong-tian REN (yongtianren@163.com)