This paper studies the work principle and structure of the rapid precision positioning system of 3D precision stage′s control system, and analyzes the system by theoretical and experimental methods.
对三维精密工作台快速定位系统的控制原理及结构组成进行了研究，并对系统进行理论和实验分析。
At every stage, clockmakers led the way to accuracy and precision; they became masters of miniaturization, detectors and correctors of error, searchers for new and better.
在每一个阶段，钟表匠都引领着通向精确和精密的道路；他们成为微型化的大师，错误的探测器和纠正者，追求更新和更好。
Since the system of measurement is at experimental stage, the precision in system parameters calibration still remains to be improved.
测量系统仍处于试验阶段，在系统结构标定方面的精度还有待提高。
The converter has a good tradeoff between conversion speed and conversion precision. It is a 1.5-bit per stage with 9 stage and digital correction technique.
本设计为兼顾模数转换器的速度和精度，采用数字校正技术，以每级1.5 位的9 级流水线结构实现。
Calibration estimation which USES known auxiliary information at the estimation stage to improve the precision of the estimators of totals and means has been widely used in survey sampling.
校正估计法已被大量运用于抽样调查中，它利用辅助信息构造的校正权重提高了对总体总值(或均值)的估计精度。
Such as communication equipment, computer and network equipment, precision instruments and other stage surge protection devices.
如通讯设备、计算机及网络设备，精密仪器等终端设备的末级浪涌保护。
In order to improve the dynamic positioning precision of scanning electrochemistry microscope(SECM), the mathematic modeling and controller design of the piezo-stage are studied.
为提高扫描电化学显微镜（SECM）微定位系统的运动定位精度，对其压电工作台的数学模型和控制器设计进行了研究。
The precision of the maneuverability hydrodynamic derivatives was undoubtedly of great importance to predict the ship maneuverability at the preliminary stage of ship design.
其中，操纵水动力导数预报的精确程度无疑对整个船舶操纵性预报工作具有至关重要的影响。
Driven by a brushless servo or stepper motor with a precision ground ball screw, this motorized stage offers high-resolution up to 0.1 micron.
由无刷伺服或带有一个精密的地面滚珠螺杆的步进电机驱动，这种机动化阶段提供达0.1微米的高分辨率。
The thermal stage separation being provided with improving and enhancing stability and orbit precision for flight was abroad adopted in solid-propellant ballistic missile.
级间热分离具有改善和提高继续飞行级的稳定性和入轨精度而被固体弹道式导弹广泛采用。
The stage is also the base of designing ultra precision machine tools.
该精密运动平台也是研制超精密加工机床的基础。
The split morph can be used as precision positioner, especially as the secondary actuator in dual stage head positioning servo system of high density hard disk drives.
该分割电极压电致动器可用于精密定位，尤其适合在高密度硬磁盘驱动器的磁头定位两级伺服系统中作第二级致动器。
With no loss of analytical precision or accuracy, 48 s have been saved per measurement by shortening the drying time and omitting the ashing stage.
该法采取缩短干燥时间和取消灰化阶段，每次可缩短测定时间48秒，但不损失测定的精密度或准确度。
It is the stage that the precision loses the most in the whole craft course that the metal pours the course.
金属浇注过程是整个工艺过程中精度损失最大的阶段。
A precision positioning stage is designed in this paper, which can achieve high degree of accuracy in fixed movement range.
建立了一在固定运动范围内具有高精度定位能力的精密定位平台，分析了平台参数的确定方法。
It is shown that the stratigraphic division and correlation are effective and have high precision according to the characteristics of each stage of the community succession.
它们都是群落演替和取代的特殊阶段，所以，根据群落演替的各个阶段能比较精确地划分和对比地层。
Experimental study of broaching precision of heavy wall workpiece shows that workpiece aperture turns large in initiative wearing stage of the tool, and the change is fast;
对厚壁件内孔拉削精度进行了试验研究，结果表明：刀具初期磨损阶段，工件孔径尺寸偏大，且变化较快；
Motion control system of an ultra precision wafer stage with application to integrated circuit production was presented.
描述一种应用于集成电路制造的超精密硅片台系统及其运动控制。
The plant is producing machine tools of increased precision, rigidity, and vibrational stability, as a result of computer simulation and tests of mockups at the design stage.
这个工厂正在生产经过设计阶段的计算机模拟和样机试验的高精密度、高稳定性的机床。
The closed aerostatic positioning stage driven by linear motor is a kind of typical precision machinery structure.
基于静压气浮支撑和直线电机驱动的气浮定位工作台是一种典型的精密机械结构。
The method is combined with the practice closely and with high precision and fast speed, which can be used in the prediction of soil and water loss of different project in construction stage.
该方法可操作性强，与实际结合密切，快速、精确度高，适用于各类开发建设项目施工阶段水土流失量的预测。
Experiments have been conducted on a high-precision single stage spur and helical gear reducer with flexible shafts mounted on hydrostatic or hydrodynamic bearings.
在采用液体静压和液体动压轴承的柔性轴的高精度单级直齿和斜齿减速器上已经过实验论证。
Comparison with test data shows that presumptions by the article are feasible, the method has a high precision and it can be used in the earlier stage seakeeping prediction of conventional catamaran.
经与试验数据比较，证明该方法在精度上是可靠的，本文所作的一些假定是可行的，它可用于预报常规双体船的前期适航性能。
Precision multi-stage filtration system can remove mechanical impurities in oil effectively.
精密的多级过滤系统，能有效除去油中的机械杂质。
Owing to reducing the drying sta -ge and omitting the ashing stage, each cycle time will be reduced about 40%. precision results can be obtained with this method.
由于缩短了干燥时间，取消灰化阶段，使每次测定时间缩短约40%，达到快速、准确的分析结果。
In our country, the research of Precision Agriculture is in beginning stage now, especially in basic theory and method studying.
目前我国“精细农业”的研究尚处于起步阶段，尤其是在基础理论和方法研究方面。
Initial stage of 70's, commercial of micro filtration Membrane achieved in America at first, which provide an ideal filter Membrane for precision filtration.
70年代初，美国首先实现微孔滤膜商品化，为精密过滤提供理想的过滤介质。
With the increasing demands for higher accuracy and higher productivity of the ultra-precision equipments, ultra-precision gas bearing stage systems driven by linear motor become research hotspots.
随超精密装备加工精度和生产率的不断提高，直线气浮系统得到广泛重视和研究。
With the increasing demands for higher accuracy and higher productivity of the ultra-precision equipments, ultra-precision gas bearing stage systems driven by linear motor become research hotspots.
随超精密装备加工精度和生产率的不断提高，直线气浮系统得到广泛重视和研究。
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