Mathematical justification of the acoustic method for measuring the impedance of the respiratory tract

被引：3

作者：

Bogomolov, A. V. ^{[1
]}

Dragan, S. P. ^{[1
]}

机构：

[1] Burnazyan Fed Med Biophys Ctr, Moscow, Russia

来源：

DOKLADY BIOCHEMISTRY AND BIOPHYSICS | 2015年 / 464卷 / 01期

关键词：

Resonant Frequency; Acoustic Field; Acoustic Impedance; DOKLADY Biochemistry; Mathematical Justification;

D O I：

10.1134/S1607672915050130

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A new method for measuring a complex frequency-dependent acoustic impedance of the respiratory tract based on two-microphone method was developed. The measuring device consists of a waveguide connected through a mouthpiece to the patient's mouth. A sound field with a frequency range from 5 to 100 Hz is created in the waveguide. The impedance of the respiratory tract is determined at free respiration of the patient in the set frequency range; the duration of examination does not exceed 15 s. The criteria for the recognition of respiratory tract pathologies are proposed.

引用

页码：319 / 321

页数：3

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