High-accuracy measurement of pulse amplitudes for new applications of ultrasonic sensors

被引：10
|
作者：
Puttmer, A [1 ]
Nowottnick, J [1 ]
Hauptmann, P [1 ]
机构：
[1] Otto Von Guericke Univ, Inst Measurement Technol & Elect, D-39016 Magdeburg, Germany
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 1998年 / 68卷 / 1-3期
关键词：
ultrasonic measurement; peak amplitude measurement;
D O I：
10.1016/S0924-4247(98)00055-7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper presents a high-accuracy method to measure the peak-to-peak value of short pulses that are received by piezoceramic transducers, opening new applications for ultrasonic sensors. By employing a digital technique, 12-bit accuracy is achieved for a transducer with 2 MHz centre: frequency. In the first step the signal is digitized; in the second step a fast digital comparator determines the peak-to-peak value, The complete digital part could be integrated in a single integrated circuit. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：454 / 459
页数：6
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