用于测量弹性血管长度和直径的光电换能器。
Photoelectric transducer for measuring the length and diameter of elastic vessels.
作者信息
Papageorgiou G L, Jones N B
出版信息
J Biomed Eng. 1985 Oct;7(4):295-300. doi: 10.1016/0141-5425(85)90057-3.
PMID:4057989
Abstract
This photoelectric transducer was developed to measure diameter and length variations in arterial segments in vitro and in elastic tubes. Its construction is simple, its nonlinearity small and its sensitivity adequate. The cut-off frequency is 300 Hz and its small phase lag changes linearly with frequency.
摘要
这种光电换能器是为测量体外动脉段和弹性管的直径及长度变化而研制的。其结构简单，非线性小，灵敏度足够。截止频率为300Hz，其小相位滞后随频率线性变化。
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