提出了同轴度误差的数学模型,其中给出一种高效的优化方法一余弦移位相加法。
The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.
本文概述了用全息位相光栅干涉法将原眼科用的裂缝灯稍做改进便能测定人眼视觉锐度的新技术。
A method of measuring visual acuity with holographic grating is described. The measurement may be performed with a slightly modified conventional ophthalmoscope.
其次,采用数值计算的方式,分析了输入方波信号与光纤束位相匹配对对比度调制传递函数的影响。
The next, the influence of phase match between input signal and line-array fiber-optic image bundles on the contrast transfer function was analysed digitally.
基于高斯分布随机信号模型,分析了二元光学器件对输入波面位相畸变的宽容度。
The tolerance of the BOE to the phase distortion with Gauss distribution of the input laser beam and the manufacturing error are analyzed.
对于测试波片的位相,偏振度和精度作了讨论。
The phase, degree of polarization and accuracy of the plate are discussed in the article.
在侧位相上可见后踝骨折(图。6B),表明其为完全损伤(IV度)。
A posterior malleolar fracture is seen on the lateral projection (FIG. 6b), establishing a complete (stage IV) injury.
侧位相(图。2D)显示后踝撕脱骨折,表明骨折为旋前外旋完全IV度损伤。
The lateral projection (fig. 2D) demonstrates an avulsion of the posterior malleolus, documenting a completed stage IV pronation-lateral rotation injury.
另一方面北京品牌折扣店营销组合与市场定位之间关联度低,营销组合不能很好的与市场定位相吻合。
On the other hand, the relationship between marking mixture and marketing localization of outlets in Beijing is low.
贫困度分布与区位相关性大,城镇交通对贫困度辐射带动作用较强。
Moreover, the relativity is large between poverty degree distribution and region location. City urbanization and traffic condition have great effect on the regional poverty degree.
提出了多重准位相匹配“理论最高效率和”的概念,以衡量算法的效率与精确度。
The concept of "ideal sum of conversion efficiency" is proposed for multiple QPM, as the criterion of judging algorithms.
提出了多重准位相匹配“理论最高效率和”的概念,以衡量算法的效率与精确度。
The concept of "ideal sum of conversion efficiency" is proposed for multiple QPM, as the criterion of judging algorithms.
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