Contents
2024
Volume: 46 Issue 5
32 Article(s)

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[in Chinese]
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 1 (2024)
A Comprehensive Review on the Development and Applications of Passive Acoustics Based on Piezoelectric Ultrasonic Transducers
MAO Yuchen, SHEN Jiandong, LIU Tao, YANG Jiaqian, DOU Hanjie, ZHANG Wangyang, and MU Xiaojing
This article delves into the applications of Micro-Electro-Mechanical Systems (MEMS) in the field of passive acoustics, with a particular focus on the principles of piezoelectricity, commonly used piezoelectric materials, and the design of sensing structures. The article begins by elucidating the fundamental concepts o
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 617 (2024)
MEMS Acoustic Sensor for Pipeline Intrusion Location Detection
LIU Tao, DOU Hanjie, LI Jun, LI Zhihao, ZHANG Jixuan, YANG Jiaqian, ZHANG Mingyang, and MU Xiaojing
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 634 (2024)
Medium and High Frequency Self-Powered System Based on Array-Type Piezoelectric Energy Harvester
ZHAO Chenxi, WU Pengfan, QIU Yu, LIU Hongtao, LIU Yu, SONG Yihui, and MU Xiaojing
With the development of the Internet of Things (IoT), wireless self-powered sensing has become an important technical means for monitoring the airframe state and flight environment. However, airframe vibrations are characterized by a wide distribution range, high excitation frequencies, and a broad frequency domain, ma
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 644 (2024)
Design of Integrated S-band Ceramic Dielectric Filter
WEI Junjie, JIANG Tingli, and MA Rui
This study proposes a three-order dielectric filter design method using the CST 3D electromagnetic simulation software package. The transmission zero is generated by a cascade three-section (CT) cross-coupling structure between the source and second resonator, or load and third resonator to achieve high suppression req
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 670 (2024)
A Novel Resonator Structure Suitable for Narrowband Filter
CHEN Siyi, XU Yutong, LI Nian, and CHEN Feng
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 675 (2024)
Design and Implementation of K-Band Miniaturized Four-Channel Antenna Interface Unit
ZHONG Minghai
To meet the miniaturization requirements of airborne RF front ends, a K-band four-channel antenna interface unit was designed based on the System in Package (SiP) technology. A secondary superheterodyne frequency conversion framework was adopted in the proposed unit. Thus, the unit was mainly composed of two silicon-ba
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 690 (2024)
Gold-Removal Process of Ceramic Packaged SAW Filter
TANG Panliang, LI Yafei, HUANG Ying, ZHANG Junchong, LENG Junlin, and MA Jinyi
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 695 (2024)
Bonding-Surface-Cleaning Technology for Preparing Piezoelectric Single-Crystal Thin-Film Wafer
LIU Shanqun, DING Yuchong, CHEN Zheming, SHI Zibin, LONG Yong, ZOU Shaohong, YU Guiqiu, and ZHANG Li
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 700 (2024)
Study on Dielectric Properties of (Ba,Sr)TiO3-Based Capacitor Ceramics Doped with MgNb2O6
CHEN Yingyi, CHEN Lei, PENG Daohua, CHEN Jiatian, CHEN Yinghe, HUANG Xinyou, and NIU Jien
MgNb2O6-doped (Ba0.71Sr0.29)TiO3((Ba,Sr)TiO3)-based capacitor ceramics were prepared by solid-state method. The influence of MgNb2O6(MNO) doping amount on the dielectric properties, phase composition, and microstructure of (Ba,Sr)TiO3-based ceramics were investigated by X-ray diffraction (XRD) and scanning electronic m
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 704 (2024)
Study on Phase Transitional Behavior and Temperature Stability of Piezoelectric Properties of K0.5Na0.5NbO3-xLiNbO3 Piezoelectric Ceramics
XIAO Rongzhen, XU Peng, and YAN Xiaobin
In this study, lead-free piezoelectric ceramics, based on the K0.5Na0.5NbO3-xLiNbO3 (KNN-xLN) system, were fabricated using a conventional method. The influence and mechanism of lithium niobate (LN) doping on the phase structure and temperature-dependent piezoelectric properties of KNN ceramics were meticulously invest
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 710 (2024)
Study of the Vibration State of 3-2 Ceramic-Air Composites
JING Sujie, YU Zhaoxian, WANG Hongwei, SHAO Zhen, and LI Linnuo
Type 3-2 ceramic-air composites were developed to improve the structure of type 1-3 piezoelectric composites. Type 3-2 piezoelectric materials are composites of PZT-5A and air. In this study, the possible vibration patterns of a type 3-2 piezoelectric material were first investigated through modal analysis using the AN
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 716 (2024)
Bi-Directional Distance Detection Method Based on Dynamic pMUT
TAO Jinyan, LI Jiadong, DAI Ye, SHANG Wenling, WANG Danrui, FENG Changkun, HU Yimin, YAO Shutao, and TA Guifeng
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 722 (2024)
Research on a Four-Legged Piezoelectric Mobile Robot Based on Inertial Actuation
LI Yunfei, ZHU Xijing, LI Jing, and GAO Guodong
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 741 (2024)
Modeling and Performance Analysis of Piezoelectric Energy Harvester with Force Amplification Function
XIE Jianhong, LIU Liexin, and ZHU Liqing
To improve the energy conversion efficiency of piezoelectric energy harvesters, a piezoelectric stack was coupled into a force amplification framework to construct a piezoelectric energy harvester with a force amplification function. Based on the constitutive equation of the piezoelectric effect, theoretical modeling,
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 747 (2024)
Study on Flexural Vibration of Lithium Niobate Beam with an Inversion Layer
LIU Chong, HUANG Dejin, CHEN Hui, and MA Tingfeng
A new type of lithium niobate beam with an inversion layer was investigated in this study. The symbols for the piezoelectric constants of this inversion layer were the opposite of those of a regular layer. Thus, the bending vibration of the lithium niobate beam could be excited by an electric field in the thickness dir
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 755 (2024)
Numerical Simulation of Monitoring Rust Expansion of Prestressed Concrete Using Piezoelectric Wave Method
PENG Zhong, LIANG Yabin, FU Wen, YAN Xiaowei, and JIANG Tianyong
Inherent to the influence of multiple factors, including environmental conditions and service time, prestressed steel strands corrode over time. This leads to concrete rust expansion and crackingand poses a critical threat to structural durability. To monitor the extent of cracking in this context, this study proposes
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 762 (2024)
Quantitative Identification of Surface Cracks by Laser Ultrasound Using Empirical Wavelet Transform
HAI Lianghao, ZHAO Jiyuan, WANG Chenwei, YAN Jiangtao, and GUO Miao
Laser ultrasonic detection technology is used in the field of additive manufacturing to quantitatively identify surface cracks in metal additive parts. However, the laser ultrasonic signal has serious multi-mode mixing, a complex waveform, and a low signal-to-noise ratio. An empirical wavelet transform technique is pro
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 776 (2024)
Fiber Bragg Grating Elastic Diaphragm Sensor for Accurate Detection of Liquid Level
DU Feng, YAO Jiannan, TAO Yifei, XU Yuan, DING Chao, and LIU Yang
To detect liquid levels accurately, a liquid-level sensor is fabricated by coupling fiber Bragg grating (FBG) and an elastic diaphragm. The sensor is composed of two FBGs (FBG~~1 and FBG~~2), an elastic diaphragm, an elastic rubber sealing gasket, a hollow tube (an air duct), and an FBG fixing device. The FBG fixing de
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 794 (2024)
Sensing-Performance Analysis of Quasi-Distributed FBG Steel Strands and Experimental Study on Deformation Monitoring of RPC Beams
SHEN Quanxi, CAO Yang, XIONG Chengyang, HUANG Jiazhu, LIU Rong, and ZHU Wanxu
To address the monitoring of the stress state of prestressed steel strands in prestressed concrete structures, a groove preloading encapsulation quasi-distributed FBG technology is proposed to solve the low survival rate and insufficient monitoring range of FBG. The sensing performance of quasi-distributed FBG steel st
Piezoelectrics & Acoustooptics
  • Publication Date: Jan. 17, 2025
  • Vol. 46, Issue 5, 801 (2024)
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