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
收藏
页码：1096 / 1098
页数：3
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