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

页码：454 / 459

页数：6

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