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首页> 外文期刊>Russian Journal of Nondestructive Testing >The Influence of the Coordinate Errors of Setting Sensors of a Piezoelectric Antenna on the Accuracy of Localizing Sources of Acoustic Emission Signals
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The Influence of the Coordinate Errors of Setting Sensors of a Piezoelectric Antenna on the Accuracy of Localizing Sources of Acoustic Emission Signals

机译：压电天线设置传感器的坐标误差对声发射信号定位源精度的影响

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摘要

The main factors that affect the error of determining the coordinates of an acousticemis-sion (AE) signal source are considered. The influence of errors of determining coordinates ±Δx_i and ±Δy_i of piezoelectric antenna transducers on the AEsignal localization accuracy are analyzed. It is theoretically and experimentally proven that the errors in the coordinates of the transducers substantially influence the AEsignal localization accuracy, especially at a low sampling frequency of the analog-to-digital converter of the AE system’s measuring channel and when low-frequency AE transduc-ers are used.
机译：考虑了影响确定声发射（AE）信号源坐标的误差的主要因素。分析了确定压电天线换能器的坐标±Δx_i和±Δy_i的误差对AE信号定位精度的影响。理论和实验证明，换能器坐标中的误差会严重影响AE信号的定位精度，尤其是在AE系统测量通道的模数转换器的采样频率较低时以及低频AE转换时，使用。

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