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Transnational automobile companies have demonstrated three new trends in their China strategy,namely scrambling for new ......
Six-frame Algorithm Insensitive to the Linear Reference Phase and Detector Nonlinearity Errors for P
A new six-frame algorithm based on Hariharan’ s five-frame algorithmis derived. Although six-frame interferograms are n......
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1 IntroductionPhasestepsaregeneralyimplementedbymovingthereferencemirormountedonaPZT (piezoelectrictransducer). Sin......
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1IntroductionPhase_steppinginterferometryhasbeenexnsivelyappliedinmanyaspects. Conventionalphase unwrappingisim......
For Europe,shipping has been one of the key stepping stones to economic growth and prosperity throughout its history.Mar......
Phase-stepping technique is applied to the analysis of fringe patterns of shadow moiré of electronic packages.Sensitivi......
During a walk you chance upon a concert ticket.A ticket for古典音乐(g(?)di(?)n yin yue),classical music.Certainly,you li......
I. Opportunities and challenges of Chinese enterprises In March 26, Legend group signed an agreement for cooperation wi......
Jack took a long look at his speedometer before slowing down: 73 in a 55 mph zone.When his car had slowed to 10 miles an......
A:stands for“Action”。A代表“行动”。Actions speak louder than words.行动胜于言语。B:stands for“Books”。B代表“书籍......
The coseismic surface rupture zone of the seismogenic fault of the MS7.1 Yushu earthquake includes three left-stepping m......
To improve the ability of writing,we must master some writing skills.Reading is the basis of writing,in reading,the more......
Sliding state stepping algorithm for solving impact problems of multi-rigid-body system with joint f
Impact dynamics of multi-rigid-body systems with joint friction is considered. Based on the traditional approximate assu......
Aiming at the part quality and building time problems in stereolithography (SL) caused by unreasonable building orientat......
【正】 China is stepping up efforts in natural gasexploration to ensure the fast developmentof the gas sector.The nation......
Hydrothermal Synthesis and Crystal Structure of a New Phosphonate:{[Cu(1,10-phen)]_2-(H_2O_3PCH_2C_6
A new stepping chain {[Cu(1,10-phen)]2(H2O3PCH2C6H4C6H4CH2PO3H)2(HO3P- CH2C6H4C6H4CH2PO3H)}n 1 (C66H60Cu2N4O18P6) has be......
A new optical arrangement of phase-stepping digital speckle pattern interferom-etry is presented.The system can be used......
The shear-stress transport(SST)turbulence model is incorporated into Navier-Stokes equations to simulate a turbomachiner......
改革是发展的基础,随着课程改革的深入实施,做好英语课堂的改革工作不仅能够确保高效英语课堂的顺利实施,更对学生英语素养的培养......
There are 11 injection and extraction components in SSC, in which 5 are movalble in the operation time anddrived by 10 s......
The frequency stability system of SFC is an important part, which keeps Dee voltage stable. It consists of control circu......
Two kinds of movement mode are used for the beam diagnostic probe drive, one is driven by the compressed air and another......
ECONOMIC globalization has entered a new stage of development since the international financial crisis.The emphasis havi......
The integration equation and time stepping method have been applied in this paper to discuss the nonlinear wave forces ......
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A low power linear stepping digital programming gain amplifier (PGA) is designed for CMOS image sensors. The PGA consist......
Underwater vehicles operating in complex ocean conditions present difficulties in determining accurate dynamic models. T......
Since stick-slip actuators present the advantage of allowing long displacements (several centimeters or even more) at a ......
设计了一种水稻直播机播种自动控制系统，用红外光敏管检测播种信号，霍尔元件检测距离信号，采用单片机和步进电机实现播种量自动调节，实......
采用可编程控制器(PLC)直接控制数字电液步进液压缸,可使液压系统的控制系统简洁、可靠成本显著下降.文章介绍了PLC控制电液步进液......
In present work, a stepping optimization algorithm is proposed for the geometric optimization of conical fin, and the he......
文章介绍了双头双工位步进式平头机的设计原理及主要制造情况.该机参考国内外先进的平头机,吸收了各家之长自行设计的、能满足较大......
文中介绍了微波自动测量系统的主要功能、特点。该系统采用计算机辅助测试（CAT）的方法对传统的微波测量线进行智能化、自动化和数字......
针对目前矿山井下巷道带式输送机胶带更换困难,研制了步进式换带装置,其特点是体积小、质量轻、易拆卸与安装。在现场进行调研并计......
采用PC机和步进电动机控制卡PCL-839,通过VB软件编程的方法,对步进电动机起停,加减速和正反转进行高速控制.该控制简单、直观、可......
研究了一种基于粘滑驱动原理的旋转式精密压电执行器。运用一种十字交叉型柔性铰链将2个压电陶瓷的直线位移转化为旋转角位移,然后......
随着社会的快速发展,社会对于人才提出了更高的要求,也就间接的对中职教育提出了新要求,需要中职教育要求中职教育不仅要让学生掌......
设计一种可调步距的圆环定子驻波型步进超声波电机,样机的工作频率为36.3 kHz,空载转速为10r.min-1,在一个周期的激励信号作用下,......
为解决多品种＂面销定位＂桥壳的清洗问题,本文结合多品种桥壳的定位、清洗特点以及所用步进输送方式,通过带安装孔车体组件、左销定位......
文中介绍一种新的连铸辊步进摆动跨步堆焊工艺，堆焊时对辊子的步进和焊丝的摆动及跨步进行异步程序控制，相对于以往普遍采用的单道螺......
介绍了如何实现荧光磁粉探伤自动化检测系统。该系统在荧光磁粉探伤原理的基础上,以计算机作为中心控制系统,控制磁粉探伤机和步进......
China Daily reported that government ministries are stepping up the pace of working out details of the“Broadband China......
关系代数一直是数据库概论教学中重点内容,也是学生们普遍难以全面掌握的内容。基于此提出了如何采用分步方式正确书写关系代数表......
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设计制造了一套微位移促动器并进行了检测.比较了常用的实现高精度、大行程的微位移机构的工程方法,并结合大天区面积多目标光纤光......
利用环形定子的两个弯振模态交替工作的原理设计的一种驻波型步进式超声电机具有开环控制下无累积误差的特性。定子环弯振使定子上......
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