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面畸变
相关语句
  surface deflection
     Experiment study on controlling technique of surface deflection
     面畸变控制措施的实验研究
短句来源
     Now the most influenced element to improve the quality of the outer panels of sedan is the existence of surface deflection.
     面畸变问题的存在是目前轿车外覆盖件表面质量的最重要影响因素。
短句来源
     The geometrical models to study surface deflection is cylindrical shallow shell in this thesis, proceed the sheet metal forming experiment, measuring method of surface deflection is presented, the distribution of surface deflection on cylindrical shallow shell is obtained.
     本文以柱面扁壳作为研究面畸变问题的几何模型,进行了柱面扁壳的板料成形试验,提出了柱面扁壳面畸变的测量方法,获得了柱面扁壳面畸变的分布形态。
短句来源
     A new surface deflection evaluation criterion has been presented,reflecting the geometry essence that the degree of every point on parts contrasted the stamping curvature with the punch and capable of evaluating the surface deflection level of complex sheet metal stamping parts in rationality,which has been proved by experimental confirmation to be correct.
     汽车覆盖件现有的面畸变评价指标均有一定的局限性,难以满足工程实践和理论研究的要求。 本文分类统计了汽车覆盖件常见的面畸变分布及一般评价方法,提出了一种新的面畸变评价指标,该指标既能反映零件上各点相对标准型面曲率变化程度的几何本质,又能比较客观地评价复杂零件局部畸变的水平,并用试验验证面畸变评价指标的正确性。
短句来源
     surface deflection after spring-back exhibits M shape, and good agreement with amount by comparing numerical simulation with experimental results in cylinder direction.
     对比模拟和试验结果,柱面扁壳回弹后面畸变沿柱面方向均呈M型分布,且面畸变数值大小符合的较好。
短句来源
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  surface aberration
     Surface aberration is a major defect took place in forming of outer car coverings. Taking improved process ing measures to reduce and control surface aberration are effective ways to solve surface aberration problems.
     面畸变是汽车外覆盖件成形中的重要缺陷,通过采取工艺措施来减小和控制面畸变是解决面畸变问题最有效的途径。
短句来源
     Take a rectangle single curved cylindrical flat shell as a model for studying deep-draw part's surface aberration defect,and also provide a local pressure technology used in surface aberration control process.
     以矩形单曲柱面扁壳为模型,研究了其拉深件面畸变缺陷问题,提出了面畸变控制过程中的局部加压工艺。
短句来源
     The results have shown that applying a local pressure may take away surface aberration apparently and improve aberration distribution,consequentially,provide a basic control criterion for improving surface aberration of automotive coverings.
     研究结果表明,局部加压可以明显降低面畸变,改善畸变分布,从而为汽车覆盖件面畸变的工程控制提供了基本依据。
短句来源
  surface distortion
     In this paper, by using the hydrodynamical model of optics and the invariant integral of the radial component E⊥ of the beam cross-section energy, we analyze the influences on the beam quality M2 factor from the wave surface distortion and from the nonuniform amplitude distribution respectively, introduce two new kinds of definitions of the beam quality, and discuss the relation among these two definitions and the M2 factor.
     引用光流体模型[2]的光束径向能量的不变积分分别讨论了光束波面畸变和振幅分布不均匀对光束质量因子M2的影响; 引入了光束质量因子的两种新定义,并讨论了这两个新质量因子与M2的关系。
短句来源
  “面畸变”译为未确定词的双语例句
     Wavefront aberrations of the reference beam in holographic recording is analyzed based on aberration theory.
     基于波相差理论,分析了数字全息记录过程中所用参考光可能存在的波面畸变;
短句来源
     INFLUENCE AND ITS ELIMINATION OF REFERENCE WAVEFRONT ABERRATION ON RECONSTRUCTED IMAGES IN DIGITAL HOLOGRAPHY
     数字全息中参考光波面畸变对再现像的影响及消除
短句来源
     DESIGN OF ADAPTIVE CORRECTEON YSTEM TO WAVEFRONT DISTORTION
     自适应校正波面畸变系统设计
短句来源
     Several large aperture precision windows have been worked out with a transmitted wavefront distortion better than λ/50 (RMS).
     应用以非平面的镜面修磨工艺与全口径数字干涉检验为技术基础的等光程工艺方法,已研制出波面畸变小于λ/50(RMS)的大口径空间窗镜。
短句来源
     (2) Testing of transmitted wavefront distortion for optical parallel flat;
     ( 2 )光学平行平面的透过波面畸变检测 ;
短句来源
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  surface deflection
The response of the flow to wavy surface deflection is determined in the quasilinear approximation.
      
Dynamic reactions in empennage attachment fittings at control surface deflection
      
Surface deflection of the vertical models were also computed and show agreement with astro-geodetically determined deflections below the 1-arc-second level.
      
The asymptotic long-wave low frequency stress-strain-state is determined in terms of the governing extensions and mid-surface deflection in the symmetric and anti-symmetric cases, respectively.
      
The asymptotic long-wave low frequency stress-strain-state is determined in terms of the governing extensions and mid-surface deflection in the symmetric and anti-symmetric cases, respectively.
      
更多          
  surface aberration
It also shows that special attention is needed in dealing with near-surface measurements because of surface aberration.
      
  surface distortion
It is shown that the Fermi surface distortion (FSD) reduces the instability-growth rate for surface fluctuations due to its effects on both the viscosity and the increase in the stiffness coefficient.
      
The dependence of the limiting temperature Tlim on the mass number and the multipolarity of the nuclear-surface distortion is calculated.
      
Inaccuracies in the length of members and the diameters of joints of large space structures may produce unacceptable levels of surface distortion and internal forces.
      
We formulate two discrete optimization problems, one to minimize surface distortion (DRMS) and the other to minimize internal forces (FRMS).
      
Inaccuracies in the length of members and the diameters of joints of large space structures may produce unacceptable levels of surface distortion.
      
更多          


This paper reports a new method to compensate the wavef ront distortion. Taking a laser beam of astigmatic aberration as an example, the state of the laser beam compensating system can be given by the axial hologram of the laser beam. And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavef ront of the laser beam with phase modulation and amplitude fluctuation. It is possible to use the active compensating technique of laser beam in a high power Nd-glass laser system....

This paper reports a new method to compensate the wavef ront distortion. Taking a laser beam of astigmatic aberration as an example, the state of the laser beam compensating system can be given by the axial hologram of the laser beam. And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavef ront of the laser beam with phase modulation and amplitude fluctuation. It is possible to use the active compensating technique of laser beam in a high power Nd-glass laser system.

本文报导一种补偿激光波面畸变的新方法。我们以象散光束为例,根据轴向全息图能够给出该光束补偿系统的状态。而且,利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。从而为在高功率激光系统中应用主动补偿象差技术提供了可能性。

It is found that the diffraction, obtained by using X-ray divergent beam technique-back reflection Kossel method, of pure and Ti-diffused LiNbO3 crystals become abnormal in the vicinity of 75?.

用X射线发散束背反射赝考塞耳线衍射方法发现纯LiNbO_3和扩Ti的LiNbO_3晶体在75℃附近的衍射花样有明显的异常。(11010),(01110),(0118),(1108),(03312),(33012)等衍射面的考塞耳花样出现成对的大范围非断裂的畸变。畸变接近二次对称,对称面为x面。破坏了沿z轴方向的三次对称性。同时发现高角度的衍射面畸变α较小,或不畸变。布喇格角较小的衍射面畸变较甚。

Structures of nylon 1010 crystallized from both melt and glass states were studied by means of X-ray diffraction ,infrared, polarized optical microscope, dynamic viscoela-sticity and density. It was found that the crystalline structure of nylon 1010 is similar to that of nylon 66. However nylon 1010 crystallized from melt state has much larger distorted littice than that crystallized from glass state in the crystalline region-These problems were discussed with a distorted hydrogen bond plane model.

本工作通过X-光衍射、红外光谱、示差扫描量热、偏光显微镜、粘弹谱及密度观测,考察了尼龙1010样品,分别从玻璃态结晶与从熔融态结晶后的聚集态结构,发现它的结晶结构与尼龙66相似,但从熔融态结晶的晶格有很大畸变,对所涉及的问题进行了讨论,提出了氢键面畸变的模型。

 
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