Through orthogonal experiment design , the preparation technology of reactive extrusion dynamic vulcanization for low hardness epdm / pp blend thermoplastic dynamic vulcanizates was studied , and the effects on micromorphology of extruded vulcanizates of such main technological factors as barrel temperature , feed screw driven voltage and host machine screw rotation rate were discussed 摘要通过正交试验设计，研究了低硬度epdm / pp共混型热塑性动态硫化胶的反应挤出动态硫化制备工艺，初步探讨了机筒温度、喂料螺杆驱动电压及主机螺杆转速等主要工艺因素对挤出物微观相态结构的影响。
Finally , because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve , the response performance of the solenoid valve is investigated . the response performance of the solenoid is influenced by many factors , such as driving voltage , electric driving unit etc . in order to have high excitation voltage and in low maintaining voltage , a high - low voltage electric driving unit is designed , and in order to make the solenoid valve close more rapidly , an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit , too . in the high - low electric driving unit , high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively 高速强力电磁阀的响应性能除了与阀本身的结构和材料有关外，与驱动电压、驱动电路的设计密切相关，本文通过分析，首先开发出一种高低压驱动电路，高压电源是山升压式dc - dc原理获取的，低压由蓄电池本身提供，实现高压强激和低压维持的功能，电路中采用有源续流电柴汕机中卜轨知介系统的设训及其七川j敝略的叭究路进行续流，加诬了电磁阀的关闭速度；采用自举吐路，降低了场效应管对驱动电压的要求。
For saving driver ics ' power consumption and cost , this research proposes a novel display pixel design with integrated charge pump circuits . the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels . there are two advantages for this developed novel pixel design . first , the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines . second , the high voltage driver ics are not necessary , such that the cost and power consumption of the corresponding driving systems can be diminished . from the simulation results , the pixel voltage indeed could raise to more than double input voltage by this proposed design . in addition , the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels 为了节省面板电路驱动芯片的功率损耗以及制作成本,本研究提出一种新的像素电路设计,而在设计中将会融合电荷泵电路.利用这种电路设计的像素可有效地将像素电极上的驱动电压提高到输入电压的2 3倍以上.此像素电路设计具有两个优势:第一,可以有效降低显示面板的像素功率损耗;第二,不需高电压的面板电路驱动芯片,因此可节省芯片的成本及功率损耗.由模拟结果可知,像素电极上的驱动电压确实可由此像素电路设计而提高到输入电压的2 3倍以上;而像素的功率损耗也可有效地降低,约为传统像素的1 / 2
Today , liquid crystal , a new functional material , has been applied more and more widely . on the side of display , owing to stable frarne , absolute environmental protecting , save electric energy and no tire for user , liquid crystal display keeps ahead among the range of display . with the developing of the technology of liquid crystsl , lcd will must substitute for crt and become the chief in market . in additin , liquid crystsl light filers which have been used in optic communicatins and light information handling , emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity . they manifest a series of merit , such as narrow band wide , deterioration low , wide tuning domain , simple structure and low cost , so liquid crystal light filter draw attention of many country 现在，液晶作为一种新型功能材料越来越得到广泛的应用，在电子显示装置中，液晶显示器以其画面平稳、真正安全环保、省电和使用者不易疲劳等优点领先于显示器的行列中。随着液晶技术的发展，液晶显示器将取代crt显示器逐步成为未来市场的主流。此外，应用于光通信和光信息处理中的电调谐液晶滤光片，采用液晶材料的双折射和电光效应与传统f - p腔相结合，表现出窄带宽、低损耗、调谐范围宽、驱动电压低、结构简单、低成本等一系列优点，而日益受到各国研究部门的关注。
The thesis applied the sequential coupling analysis method to simulate the electrostatic - drive micropump . the effects of the membrane thickness , shape and electrostatic voltage on the volume change of membrane were analyzed . the analysis results provided foundation for the structural design of the electrostatic - drive micropump and have some reference value 应用序贯耦合法对静电驱动微泵进行模拟分析，得出了膜片厚度、驱动电压以及泵腔高度的变化对泵腔体积变化的影响，研究结果为静电驱动的微泵结构设计提供了依据，具有一定的参考价值。
Lc apparatus almost meet all the needs of space optical communication such as weight , size , power consume , life , cost , driving voltage , intergration of optics and electricity , programe , optically take ? over aperture , beam scanning , deflexional range and so on . switches , deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication . the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate . but it is practical for them to be used in special beam capture , scan , deflexion controling which don ’ t concerned with code rate and code type 液晶器件几乎满足空间光通信的所有大的指标要求如重量、尺寸、功耗、寿命、成本、驱动电压、光电集成、可编程性、光学接收孔径、光束扫描和偏转范围等等。液晶光开关、光偏转器、光扫描器已经开始应用于光纤通信的实验系统中。液晶类器件应用于光通信的唯一重大缺陷,是其响应速度目前只能达到微秒级或亚微秒级,不过,在不涉及到码型码率的空间光束捕获、扫描、偏转、控制方面,液晶器件完全可能进入实用化。
The third part introduces the design , fabrication , analysis and testing of serveral types of variable optical attenuators . we have designed a micro - machining based voa that consists of an electromagnetically actuated gold - coated silicon mirror rotating around a 100 # am diameter shaft and a miniature driven coul . the voa is capable of fast dynamic response ( < 2ms ) , great dynamic range ( 0 ~ 35db ) , and low return loss ( < 55db ) 论文利用有限元分析软件ansys对该器件进行工作曲线分析及动态响应分析，分析结果与实测结果接近，实测结果表明，驱动电压0 8v ，工作范围0 35db ，动态响应时间为2ms ，插入损耗小于0 . 8db ，回波损耗小于- 50 . 5db 。
However , df pre - processing is not required in a interferometer direction finder . it only makes use of the phase relations or differences of sensors disposed at different position . azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences 干涉仪测向不必进行测向信号预处理而是直接或间接求取在空间上分开的传感器上感应电势之间的相位关系，即干涉相位差，方位角或仰角是直接由干涉相位差计算得到，或将两基线正交的天线阵的干涉相位差转化为驱动电压(电流)分别加到crt阴极显示器的垂直偏转线圈和水平偏转线圈，模拟显示出来波方位，干涉仪测向为典型的相位测向方法。
By using the operation circuit , the drive voltage of f - p in feedback can automatic trace the reflected fbg wavelength . not only had an extraordinary wide demodulation range of frequency achieved , but also a problem solved that when the sensing probe is changed , the sensor has the ability to automatic adjust the drive voltage of f - p to keep up with the dramatic change of the reflected fbg wavelength 本文中创新性地提出了“自动跟踪”的概念，利用光电系统中的运算电路，不仅能够自动跟踪调整法布里腔的驱动电压、在保证精确度的同时有效地提高该传感系统的解调频率范围，还有效地解决了在测量范围内有时需要更换传感探头的重新调谐问题。
This thesis built the model of micropump , the deformation of the micropump membrane and the volume change of the micropump chamber under piezoelectric - drive were simulated by finite element method ( fem ) . the effects of the membrane thickness , shape and piezoelectric voltage on the volume change of membrane were analyzed . the relation between intrinsic frequency and membrane thickness was also discussed 建立了微泵膜片的有限元模型，采用直接耦合法模拟分析了微泵膜片在压电驱动下产生的形变和由此引起的微泵腔体体积的变化，得出了膜片厚度、形状、和压电驱动电压对微泵腔体体积变化的影响。
