PROCESSING OF ULTRASONIC SIGNAL FOR TRANSDUCER CHARACTERIZATION AND FOR IMPROVING SIGNAL-TO-NOISE RATIO

被引：0
|
作者：
RAMAN, S
MURTHY, CN
LELE, MV
机构：
来源：
INDIAN JOURNAL OF TECHNOLOGY | 1993年 / 31卷 / 11期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes the work related to characterisation of an ultrasonic transducer fabricated in the laboratory. The response of the medium to the ultrasonic wave was obtained by converting the time domain signal to frequency domain, using the FFT algorithm. Cross-correlation technique was adopted to increase the S/N ratio in the raw time domain signal and subsequently, to determine the ultrasonic velocity in the medium.
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页码：774 / 776
页数：3
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