Improvement of low-frequency ultrasonic image quality using a enhanced convolutional neural network

M Lei, W Zhang, T Zhang, Y Wu, D Gao, X Tao… - Sensors and Actuators A …, 2024 - Elsevier
Ultrasound has become an indispensable clinical scanning and diagnostic tool because of
its convenience, rapidity, and radiation-free properties. In ultrasound imaging, the resolution …

A transceiver integrated piezoelectric micromachined ultrasound transducer array for underwater imaging

Y Yao, L Jia, C Liu, X Wang, C Sun, S Liu… - Sensors and Actuators A …, 2023 - Elsevier
In this article, a scandium-doped aluminum nitride (Sc 0.2 Al 0.8 N) piezoelectric
micromachined ultrasound transducer (PMUT) array for underwater imaging is presented …

In-Situ Observing Ciliary Biomimetic Three-Dimensional Vector Hydrophone

G Liu, H Tan, H Li, J Zhang, Z Bai, Y Liu… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The miniaturization of low-frequency marine underwater acoustic detection systems
presents new requirements for 3-D vector hydrophones. Inspired by fish lateral lines, we …

Noninvasive fluid bubble detection based on capacitive micromachined ultrasonic transducers

J Yuan, Z Li, Q Ma, J Li, Z Li, Y Zhao, S Qin… - Microsystems & …, 2023 - nature.com
Ultrasonic fluid bubble detection is important in industrial controls, aerospace systems and
clinical medicine because it can prevent fatal mechanical failures and threats to life …

Air-coupled capacitive micromachined transducer array for non-contact Lamb wave detection

H Zhang, S Li, J Wang, Y Ma, J Sun, S Liu… - Sensors and Actuators A …, 2023 - Elsevier
Capacitive micromachined ultrasonic transducer (CMUT) has shown the potential for the air-
coupled application due to its good acoustic match with air. Therefore, air-coupled guided …

Realizing a highly compact particulate matter sensor with a MEMS-based resonant membrane

N Singh, MY Elsayed, MN El-Gamal - 2019 IEEE SENSORS, 2019 - ieeexplore.ieee.org
With increasing air pollution levels across the globe, there has been a significant increase in
the global health crisis. But the problem remains unchecked in various parts of the world …

Research on optimization sparse method for capacitive micromachined ultrasonic transducer array: heuristic algorithm

T Zhang, W Zhang, XL Shao, Y Wu - Sensor Review, 2021 - emerald.com
Purpose Because of the small size and high integration of capacitive micromachined
ultrasonic transducer (CMUT) component, it can be made into large-scale array, but this lead …

Modeling and Optimization of CMUTs Arrays for Improved Transmission and Reception Performance in Immersion

Z Li, J Yuan, J Li, Z Li, Y Zhao, S Qin, Q Ma… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Capacitive micromechanical ultrasonic transducers (CMUTs) have widespread applications
in ultrasonic imaging, therapeutic treatment, and underwater applications. Reasonable …

Experimental characterization of an embossed capacitive micromachined ultrasonic transducer cell

Y Yu, J Wang, X Liu, SH Pun, S Zhang, CH Cheng… - Micromachines, 2020 - mdpi.com
Capacitive Micromachined Ultrasonic Transducer (CMUT) is a promising ultrasonic
transducer in medical diagnosis and therapeutic applications that demand a high output …

Design and Implementation of Low-Voltage Tunable Capacitive Micro-Machined Transducers (CMUT) for Portable Applications

C Goel, PV Cicek, A Robichaud - Micromachines, 2022 - mdpi.com
Capacitive micromachined ultrasonic transducers (CMUT) are MEMS-based transducers
with advantages over conventional ultrasonic transducers, such as their small size, the ease …