Kalman's method to improve accuracy of online 13C16O2 measurement in the exhaled human breath using tunable diode laser absorption spectroscopy

被引：13
|
作者：
Kireev, S., V [1 ]
Kondrashov, A. A. [1 ]
Shnyrev, S. L. [1 ]
Frolov, N., V [1 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, 31 Kashirskoye Sh, Moscow 115409, Russia
来源：
LASER PHYSICS LETTERS | 2018年 / 15卷 / 09期
关键词：
tunable diode laser absorption spectroscopy (TDLAS); carbon dioxide; Kalman filter; non-invasive diagnosis of the gastrointestinal tract oncological diseases;
D O I：
10.1088/1612-202X/aacc02
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This study reports on the use of Kalman's method for filtering an experimental signal to improve the accuracy of a (CO2)-C-13-O-16 measurement in the exhaled human breath using tunable diode laser absorption spectroscopy with a semiconductor diode laser tunable near to a wavelength of 2 mu m. It is shown that Kalman's filtration allows a 5-fold increase in the detection accuracy of Co-13(2).
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页数：4
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