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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
81-11Ventilation Measurement
An experimental setup for the measurement of respiratory input impedance is shown in Figure 81.8.
A suitable soware provides
Generation of a pseudorandom sequence (typically obtained by summing the rst 25 harmonics
of 2 Hz with random phases) which, aer digital-to-analog conversion and proper power ampli-
cation, drives a large (20–30 cm diameter) loudspeaker
Acquisition of two blocks of pressure and ow samples: 2 × 4096 data are collected in a 16 s run
at a sampling rate of 256 samples/s
Processing of data in order to obtain the desired Z
R
(f) function in the typical interval 2–48 Hz
e
bias tube allows ...
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Publisher Resources

ISBN: 9781439848913