Estimation of the error when calculating the arrival time of a detected echo-signal

被引：9
|
作者：
Soldatov, A. I. [1 ]
Seleznev, A. I. [1 ]
Soldatov, A. A. [1 ]
Sorokin, P. V. [1 ]
Makarov, V. S. [1 ]
机构：
[1] Tomsk Polytech Univ, Inst Introscopy, Tomsk 634028, Russia
来源：
RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING | 2012年 / 48卷 / 05期
关键词：
envelope; echo-signal; analog-to-digital converter;
D O I：
10.1134/S1061830912050117
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A method for determining the temporal position of an acoustic pulse on the basis of an envelope that is plotted through the points of a received signal that is processed by a peak detector was proposed to provide a reduction of the error in determining the propagation time of a signal in the acoustic channel of a measuring instrument.
引用
收藏
页码：268 / 271
页数：4
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