IDENTIFICATION OF 3-ELEMENT WINDKESSEL MODEL - COMPARISON OF TIME AND FREQUENCY-DOMAIN TECHNIQUES

被引：5
|
作者：
POCHET, T
GERARD, P
MARNETTE, JM
DORIO, V
MARCELLE, R
FATEMI, M
FOSSION, A
JUCHMES, J
机构：
[1] STATE UNIV LIEGE,INST MATH,B-4000 LIEGE,BELGIUM
[2] STATE UNIV LIEGE,INST CHIRURG CARDIOVASC,B-4000 LIEGE,BELGIUM
[3] STATE UNIV LIEGE,INST MED INTERNE,B-4000 LIEGE,BELGIUM
[4] STATE UNIV LIEGE,INST PHYSIOL HUMAINE,B-4000 LIEGE,BELGIUM
来源：
ARCHIVES INTERNATIONALES DE PHYSIOLOGIE DE BIOCHIMIE ET DE BIOPHYSIQUE | 1992年 / 100卷 / 03期
关键词：
WINDKESSEL MODEL; 3-ELEMENT MODEL; DOG;
D O I：
10.3109/13813459208998118
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：
The problem of the parameter identification of the three-element windkessel model is studied. Minimization by least-square technique - LSQ - in time domain and frequential techniques - FFT - are compared. Continuous pressure and flow curves were recorded in the proximal aorta of an open chest dog. Comparison shows very high correlations between the parameter estimations obtained by LSQ and FFT methods. However, systematic differences appear between the calculated values, but do not seem to endanger physiological interpretation of the results.
引用
收藏
页码：295 / 301
页数：7
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