Changing the structure of the excitation device can change the resonance frequency of the PZT.

Piezoelectric actuators ( PZT ) driving power supply is the key component in the micro-displacement system.

压电 陶瓷驱动电源是压电陶瓷微位移器应用中的关键部件.

A new precision rotary PZT actuator was proposed to improve its drive capabilities.

提出一种新型的压电精密步进旋转驱动电机.

The linearity of the PZT has a big influence on the quality of the interference pattern.

PZT移 相时的线性好坏对干涉仪采集的移相干涉图的质量有着较大的影响.

A 500 μ m ×500 μ m micro-mirror structure actuated by PZT piezoelectric cantilever beam was designed.

设计了一种采用锆钛酸铅(PZT) 压电薄膜悬臂梁作为驱动机理的500μm×500μm微镜结构.

Reverse Logistics; Service Quality ; PZB Service Quality Model ; Quality Function Deployment; Analytic Network Process.

逆向物流; 服务品质; PZB服务品质模式; 品质机能展开; 网路层级分析法.

On April 29 th, all the students of PYP went to visit the Guangzhou Puppet Art Centre.

4月29日, PYP全体 同学一起前往广州市木偶艺术中心参观.

PYP program of inquiry in our school.

PYP幼儿园项目实施情况.

PYP kindergarten is the cradle that aims to foster international talents.

PYP幼儿园是致力于培养国际化人才的摇篮.

South Korean left-back Lee Young-Pyo may make a return from an ankle injury.

韩国球员李容杓可能会上场,他刚从踝关节伤势中恢复.

Perhaps before I suffer, experiencing setbacks, are encountered in today with Jun-pyo.

也许我之前受苦, 经历挫折, 都是为了在今天遇到具俊杓.

Very often, PXI is considered a lower-cost alternative to VXI.

人们经常认为 PXI 仪器比VXI仪器 更具有性价比.

A real time model of simulation of secondary system for PWR nuclear power unit is presented.

介绍了核电机组二回路主蒸汽与给水回热系统实时仿真.

Presented is a model for the multi region and variable node PWR core.

建立了多区变节点压水堆堆芯的数学物理模型.

This paper studied the modeling and controlling of PWR and developed simulation software as well.

本文以大型压水堆核电站为对象,研究了核电站的建模控制以及仿真软件的开发.

Carrier-overlapping PWM method can optimize the utilization of all switches.

载波交叠PWM方法具有优化开关利用率,使得开关损耗平均化的特性.

Single-chop PWM control mode is commonly used in the flume rotor DSPMM.

三相六状态控制的转子斜槽式双凸极永磁电机通常采用单斩PWM调制方式.

Apply PWM control technology, outstanding constant current property, precise current Control.

采用(PWM)控制技术, 恒流特性好, 电流控制精确.

The system is operated in PWM mode and realizes speed loop control.

该控制系统为转速闭环设计,采用PWM方式实现对电机的控制.

It features simple circuit topology and ordinary PWM control way.

该变换器具有电路结构简单和采用普通的pwm控制方式的特点.

The Intel programmable timer 8254 system to generate and sample PWM waves.

并利用可编程计数芯片8254实现了PWM波形的产生与采样.