The phase difference caused by piston error translated with the tiled-grating compressor, the focal spot was affected by both non-integral number of grating space and out-of-plane piston error.
位移偏差引入的相位随着拼接光栅压缩器传递，其对远场焦斑的影响，取决于每片子光栅的非整数倍光栅常数的横向位移偏差和纵向位移偏差的综合作用。
The basic principles of multi-parameter tunable optical fiber grating wavelength tuner based on stress, displacement, space angle are analyzed and relative experimental researches are performed.
在模拟分析的基础上，设计了一种基于应力、位移、空间角度的多参数可调谐的光纤光栅波长调谐器，并进行了实验验证。
The theory of using time to measuring space has broke through the concept of the traditional grating type measuring in time grating sensor and has advantage in many aspects.
其原理中的“以时间测空间”的概念，突破了传统的栅式位移测量的概念，与传统栅式传感器相比，具有许多显著优点。
Optical fibre grating utilize photosensitive characteristic to form the space phase grating in the core, it can change the transmission route of the light wave in the light-transmitting fibre.
光纤光栅是利用光纤材料的光敏性，在纤芯内形成空间相位光栅，它可以改变光波在光导纤维中的传输路径。
Grating is placed in image space of objective lens, and used as the shearing part. Light wave from reference object and measured object interfered at the image space.
它在成像物镜的像方空间放置光栅，利用光栅的衍射原理，使来自参考物和被测物的光波在像面发生干涉。
The general formula of the light strength distribution for a varied-line space grating is introduced. The concept of complex factor of diffraction-interference is conducted.
本文给出了不等距光栅衍射光强度分布的一般公式，并引出了衍射—干涉复合因子的概念。
The groove pattern function was employed to express the curvature and groove space of aberration reducing gratings, and the dispersive system containing a single grating was discussed.
用光程函数和费马原理研究光栅的成像，用刻槽分布函数表示光栅的刻槽曲率及间距变化。
On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space (VLS) grating were obtained for incidence beam in parallel and uniform.
基于夫琅禾费衍射理论，推导了平行光入射变栅距光栅后衍射光强的角度分布。
Moire grating-making instrument is an optical equipment used for making high density space virtual gratings and with sensitivity adjusted freely and no requirement of shockproof.
云纹制栅仪是一种可实现无防震要求、灵敏度随意可调的高密度空间虚栅制作的仪器。
Time grating displacement sensor is working on theory of time-space coordinate transformation, which need constitute a moving coordinate with constant velocity V.
基于时空坐标转换理论而研制的时栅位移传感器实现了以时间测量空间，但关键是要构建一个以恒速V运动的坐标系。
And line grating is used to measure arc length in order to increase Angle measuring precision, thus high differentiate locating in space can be realized.
用长光栅测弧长来实现角度测量的高分辨率要求，实现空间上的高精度定位。
The field type time grating displacement sensor, based on time space coordinate transformation, is one novel angular displacement sensor.
基于“时空坐标转换理论”的时栅位移传感器是一种新型角位移传感器。
In a word, on the basis of theoretical research, this paper verifies the space-time coordinate transformation theory and field-mode time-grating theory through doing experiments in a large amount.
总之，本文在理论研究的基础上，通过大量实践性实验，验证了时空坐标转换理论和场式时栅理论。
Measurement of extra high speed rotation shaft torque of space pumps with grating is introduced.
采用平面光栅式转矩测量的方法来测量航天叶轮泵超高速回转轴的转矩。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
结果显示，非均匀性致使光折变光栅的平均强度减弱，衍射效率降低。
The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
结果显示，非均匀性致使光折变光栅的平均强度减弱，衍射效率降低。
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