{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T09:23:58Z","timestamp":1777627438030,"version":"3.51.4"},"reference-count":81,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2018,12,6]],"date-time":"2018-12-06T00:00:00Z","timestamp":1544054400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"China Postdoctoral Science Foundation Funded Project","award":["Nos. 2013M530141, 2014T70290"],"award-info":[{"award-number":["Nos. 2013M530141, 2014T70290"]}]},{"name":"Project of Science and Technology Office of Jilin Province, China","award":["Nos. 20150520096JH, 20170101200JC"],"award-info":[{"award-number":["Nos. 20150520096JH, 20170101200JC"]}]},{"name":"Project of Observation Instrument Development for Integrated Geophysical field of China Mainland","award":["Nos. Y201616, Y201706"],"award-info":[{"award-number":["Nos. Y201616, Y201706"]}]},{"name":"National Key R&amp;D Program of China","award":["No.2016YFC0303902"],"award-info":[{"award-number":["No.2016YFC0303902"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>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.<\/jats:p>","DOI":"10.3390\/s18124295","type":"journal-article","created":{"date-parts":[[2018,12,7]],"date-time":"2018-12-07T03:46:14Z","timestamp":1544154374000},"page":"4295","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Mathematical Methods and Algorithms for Improving Near-Infrared Tunable Diode-Laser Absorption Spectroscopy"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4281-7417","authenticated-orcid":false,"given":"Tianyu","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8016-849X","authenticated-orcid":false,"given":"Jiawen","family":"Kang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7837-2408","authenticated-orcid":false,"given":"Dezhuang","family":"Meng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3512-863X","authenticated-orcid":false,"given":"Hongwei","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8576-4733","authenticated-orcid":false,"given":"Zhengming","family":"Mu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meng","family":"Zhou","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaotong","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1131-4913","authenticated-orcid":false,"given":"Chen","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Geophysical Exploration Equipment, Ministry of Education, College of Instrumentation &amp; Electrical Engineering, Jilin University, Changchun 130026, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,12,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1185","DOI":"10.1364\/AO.21.001185","article-title":"Atmospheric pressure monitoring of trace gases using tunable diode lasers","volume":"21","author":"Cassidy","year":"1982","journal-title":"Appl. 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