Journal
SENSORS
Volume 18, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/s18124295
Keywords
TDLAS; signal processing; gas sensor; denoise; interference fringe; background correction
Funding
- China Postdoctoral Science Foundation [2013M530141, 2014T70290]
- Project of Science and Technology Office of Jilin Province, China [20150520096JH, 20170101200JC]
- National Key R&D Program of China [2016YFC0303902]
- Project of Observation Instrument Development for Integrated Geophysical field of China Mainland [Y201616, Y201706]
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Tunable diode laser absorption spectroscopy technology (TDLAS) has been widely applied in gaseous component analysis based on gas molecular absorption spectroscopy. When dealing with molecular absorption signals, the desired signal is usually interfered by various noises from electronic components and optical paths. This paper introduces TDLAS-specific signal processing issues and summarizes effective algorithms so solve these.
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