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压电器件
相关语句
  piezoelectric devices
     Research on Application of Piezoelectric Devices in Active Control of Wire Vibration
     应用压电器件实施丝振主动控制的研究
短句来源
     ZnO material has a long history in the application of piezoelectric devices.
     氧化锌材料制作压电器件已经有很长的研究历史,自从Robert F.
短句来源
     With the appearance of new materials and new techniques, the applications of piezoelectric devices are changed with each passing day.
     随着新工艺和新材料的出现,压电器件的应用也日新月异。
短句来源
     The development of piezoelectric devices and their applications depends on the renewing of piezoelectric materials and improvement of performance.
     压电器件及其应用的发展,取决于压电材料种类的更新和性能的提高。
短句来源
     This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as well as the application field in the aim of static displacement.
     该电源具有易于实现压电致动器输出自动控制和输出范围大的特点,适宜逆压电效应为基本原理的压电器件在以静态位移输出为主要目的的场合应用。
短句来源
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  piezoelectric device
     A New Ice Sensor Based on Piezoelectric Device
     基于压电器件的冰传感器
短句来源
  “压电器件”译为未确定词的双语例句
     The Application of Piezoelectric Part in the Micro-displacement System
     压电器件在微位移系统中的应用
短句来源
     With the development of the Science, the higher level has been requested in the fields of aviation and optical engineering etc.
     随着科学技术的发展,航空航天、光学精密工程等新技术领域对压电器件的特性要求也越来越高。
短句来源
     Electromechanical Coupling Effects of Piezoelectric Laminated Devices
     层合结构压电器件的机电耦合效应
短句来源
     Computer simulation of pizo-electric devices
     压电器件的计算机模拟
短句来源
     Each filtering channel features wide band, flat passband and high stopband suppression, etc.
     每一滤波信道具有频带宽、通带平坦、阻带抑制高等特点,是把电子电路和压电器件有机地结合为一体的组件。
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  piezoelectric devices
Various piezoelectric devices, which form an inseparable part in the progress of modern communication devices, television, radars, and several kinds of defence technology are being produced by the thousands in developed countries all over the world.
      
Analysis of the insulating, piezoelectric, and mechanical properties of the samples demonstrates that there is a group of solid solutions that are promising materials for high-temperature piezoelectric devices operating in the medium-frequency band.
      
Simulating the response of piezoelectric devices requires solving coupled electrical and mechanical partial differential equations.
      
A shape-memory-alloy actuator which memorizes the linear shape was used to realize a driving amount larger than those of electrostatic actuators and piezoelectric devices.
      
The films thus produced show a step forward in developing piezoelectric devices using more economic routes.
      
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  piezoelectric device
The focusing of the microbeads is done automatically by moving the objective with a piezoelectric device mounted on the nosepiece of the microscope.
      
For better penetration of elastic cell membranes, a simple piezoelectric device is described.
      
The advantages of the ultrasonic linear motor are high resolution, no magnetic noise generation due to the DC characteristics of the piezoelectric device, high servo rigidity, high holding torque and none additional brake system.
      
This paper describes our design solution with a simple fabrication process for a water-immersible piezoelectric device, which separates the bottom electrode from the top electrode by having a narrow ditch covered with PZT film.
      
A piezoelectric device for measuring the pressures in weak air shock waves due to blasting
      
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The state-of-the-arts of high stbability piezoelectric ceramic materials are reviewed in this artical.The emphasis are put on the chemical form-ulaes, performence parameters and potential applications of piezoelectric ceramic materials used for high power transducers, SAW devices, gyroscopes and filters.

本文概要介绍了当前国内外对高稳定性压电陶瓷材料的研究动向。重点叙述大功率换能器、声表面波、压电陀螺及陶瓷滤波器等压电器件用的高稳定性压电陶瓷的化学组成、性能指标及其应用前景。

An insertion loss free four-channel SAW filter bank with multichip configuration is developed combining electronic circuits with piezoelectric devices. It consists of onechannel common input and four-channel output with frequency range of 15-73 MHz. Each filtering channel features wide band, flat passband and high stopband suppression, etc.

本文介绍了利用声表面波(SAW)技术研制的四信道无插损滤波器组件。该组件采用多片式结构,为一路公共输入,四路输出,频率范围从15—73MHz。每一滤波信道具有频带宽、通带平坦、阻带抑制高等特点,是把电子电路和压电器件有机地结合为一体的组件。

The Pb(Mg_(1/3)Nb(2/3))_A(Mn_(1/3)Nb(2/3))_B Ti_CZr_DO_3(or PMMN)quaternary system piezoelectric ceramic material was investigated.A cross-transition position in rectangle phase diagram at room temperature was found. The basic composition PMMN-1 at this position shows excellent piezoelectric performance, temperature stability, low electromechanical loss and high mechanical strength. Adding with appropriate amount of CeO_2 and substituting Sr partly for Pb in PMMN ceramics, thetemperature characteristics would...

The Pb(Mg_(1/3)Nb(2/3))_A(Mn_(1/3)Nb(2/3))_B Ti_CZr_DO_3(or PMMN)quaternary system piezoelectric ceramic material was investigated.A cross-transition position in rectangle phase diagram at room temperature was found. The basic composition PMMN-1 at this position shows excellent piezoelectric performance, temperature stability, low electromechanical loss and high mechanical strength. Adding with appropriate amount of CeO_2 and substituting Sr partly for Pb in PMMN ceramics, thetemperature characteristics would be improved further. Besides, Compared with binary and ternary piezoelectric ceramics, the PMMN quaternary system has good technological features, such as, property easily modified, low calcining and sintering temperature, sintering large range, low volatilization of PbO so that piezoelectric ceramic of high quality can be easily prepared.

通过对Pb(Mg_(1/3)Nb_(2/3))_A(Mn_(1/3)Nb_(2/3))_B Ti_cZr_DO_3(简称PMMN)四元系压电陶瓷材料的研究,发现在其室温矩形相图内存在一“交叉”性过渡位置,在此位置上的基本试样PMMN-1具有高压电性、低机电损耗、温度稳定性好、机械强度高等优点,是一种开发大功率压电变压器及其它压电器件的较佳材料。适量添加CeO_2和以Sr部分取代Pb,可较好地改善其温度稳定性。该材料与一般二、三元系压电材料相比,还具有性能易于调整,预烧温度与烧成温度低,烧结范围宽,PbO挥发量小,易于制备出均质的高性能压电陶瓷等工艺特点。

 
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