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Technical NoteEstimation of the Damping Coefficient of Fluid‐Filled, Catheter‐Transducer Pressure‐Measuring Systems

 

作者: L.,   GEDDES J.,  

 

期刊: Journal of Clinical Engineering  （OVID Available online 1988）
卷期: Volume 13, issue 1  

页码: 59-66

 

ISSN:0363-8855

 

年代: 1988

 

出版商: OVID

 

关键词: Damping, Catheter-Transducer Systems;Frequency Response, Blood Pressure Measurements;Blood Pressure Measurement Systems, Damping & Frequency Response;Catheter-Transducer Systems, Damping & Frequency Response

 

数据来源: OVID

 

摘要:

A simple technique is presented that allows determination of the degree of damping and the damped resonant frequency of catheter-transducer systems. From these data, the hydraulic sinusoidal frequency response, as well as the undamped (natural) frequency can be determined. The technique consists of suddenly releasing pressure in a bubble-free, fluid-filled catheter-transducer system while recording pressure with a stripchart recorder.

 

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