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).

引用

页数：4

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