Composite materials have been extensively used in different fields due to their excellent
properties, among which carbon fiber‐reinforced polymer (CFRP) is the representative …

Ultrasonic noncontact methods of testing civil engineering materials in air, where both
transmission of waves into materials and reception of signals are contactless, are reviewed …

空气耦合式超声波无损检测技术具有完全非接触, 无损伤的特点, 可用于传统超声检测手段难以
适应的场合. 概述空气耦合式超声检测技术的发展历程, 简要分析限制该技术发展的主要技术 …

The design of high voltage pulser for air coupled ultrasound imaging is presented. It is
dedicated for air-coupled ultrasound applications when piezoelectric transducer design is …

Application of half bridge topology for ultrasonic transducer excitation using long pulse trains
is presented. The novelty of the approach is the high speed solution for a high side drive. A …

This brief reviews high-voltage pulsers for ultrasound imaging systems with a focus on
energy efficiency. Most ultrasound imaging systems have been developed with the aim of …

A water-immersible two-channel high-voltage (HV) spike pulser has been designed,
developed, and mounted inside the IP 67 (Ingress Protection 67) grade enclosure, and it is …

This paper presents the development of circuits that are used to provide excitation and
reception in ultrasonic transducers for the generation of guided waves in hollow cylinders for …

Air-coupled ultrasonic inspection has been demonstrated to be a non-contact method of
great interest in non-destructive evaluation (NDE) applications. The absence of direct …

The full bridge high-voltage pulser for excitation of sandwiched piezoelectric ultrasonic
transducers (SPUTs) used in long rail detection is designed. By using the single SPUT and …