Novel Phased-Array Platform based on Directly Modulated Ultrasonic Transducers

被引：0

作者：

Pop, Flavius ^{[1
]}

Herrera, Bernard ^{[1
]}

Cassella, Cristian ^{[1
]}

Rinaldi, Matteo ^{[1
]}

机构：

[1] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA

来源：

2019 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2019年

基金：

美国国家科学基金会;

关键词：

Piezoelectric Micromachined Ultrasonic Transducer (pMUT); Directly Modulated Ultrasonic Transducer (DMUT); Phased-Arrays; Underwater and Intrabody Communication Networks;

D O I：

10.1109/ultsym.2019.8925920

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：

This work proposes, for the first time, the use of Directly Modulated Ultrasonic Transducer (DMUT) array as an efficient way to drive individual sub-sections of Piezoelectric Micromachined Ultrasonic Transducers (pMUTs) arrays. The system allows to implement the phased-array technique and re-configure in quasi real-time the maximum radiation of the pMUT array through a commercially available micro-controller. The results in this work show an increase of the Sound Pressure Level (SPL) of 13dB when transmitting from a 10x5 pMUT array to a commercial hydrophone through the DMUT phased-array. The achievements are promising towards the improvement of intrabody and underwater communication networks.

引用

页码：1096 / 1098

页数：3

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