MINIATURE PIEZOELECTRIC POLYMER HYDROPHONES IN BIOMEDICAL ULTRASONICS

被引：10
作者：
Lewin, Peter A. [1 ,2 ]
机构：
[1] Drexel Univ, Dept Elect & Comp Engn, Philadelphia, PA 19104 USA
[2] Drexel Univ, Inst Biomed Engn & Sci, Philadelphia, PA 19104 USA
来源：
FERROELECTRICS | 1984年 / 60卷
关键词：
D O I：
10.1080/00150198408017516
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performance properties of miniature piezoelectric polymer ultrasonic hydrophone probes are described, their applications as reference hydrophones and for in vivo ultrasonic measurement of tissue properties are discussed, and the advantages of a needle-like construction are pointed out. A novel calibration technique, based on Time Delay Spectrometry, allows the hydrophone probe free field parameters to be determined as a continuous function of frequency in reverberant environments, while maintaining outstanding signal-to-noise ratio.
引用
收藏
页码：127 / 139
页数：13
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