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invisibility     
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  不可见性
     A nonuniform quantization index modulation watermarking algorithm based on image wavelet transform was presented to improve the robustness and invisibility of digital watermark.
     为了提高数字水印的稳健性与不可见性,将图像小波变换与量化索引调制算法相结合,提出了一种基于小波变换的非均匀量化索引调制数字水印算法。
短句来源
     In this algorithm, BSS and Discrete Wavelet Transform are combined: Binary image is used as watermark and is embedded into the wavelet domain to ensure the robustness and invisibility of watermark;
     该算法将盲信号分离问题和离散小波变换相结合用于数字图像水印技术:水印嵌入时,以二值图像作为水印,嵌入到被保护图像的小波域中,保证了水印的鲁棒性和不可见性
短句来源
     The work is focused on the key techniques of digital watermarking for images, which include blind detection, robustness, invisibility. The presented study is the current research focus of watermarking techniques.
     论文的重点在于,紧紧围绕着数字图像的鲁棒性水印中的盲检测技术、鲁棒性、不可见性这一主线,对其进行了深入的研究和探讨,研究的内容属于目前数字水印技术领域的研究重点。
短句来源
     The experimental results demonstrate its good unification between the robustness and invisibility.
     实验结果表明该水印方案很好的实现了水印的鲁棒性与不可见性的统一,对各种攻击具有很好的鲁棒性。
短句来源
     The experimental results demonstrate its good unification between the robustness and invisibility.
     实验结果表明,该水印方案对各种攻击具有很好的鲁棒性,较好地实现了水印的鲁棒性与不可见性的统一。
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  可见度
     On the Influence of Dimension and Monochromaticity of Light Source in Visibility of Interference Fringe
     论光源的线度及单色性对干涉条纹可见度的影响
短句来源
     The spectrum can still be recove- red from the information contained in visibility curve if the spectrum is symmetric about a central frequency.
     在光谱分布对于中心频率具有对称性的情况下,从可见度曲线的信息中仍然能恢复这个光谱。
短句来源
     The spectrum can still berecovered from the information contained in visibility curve if the spectrum is symmetric about a central frequency.
     在光谱分布对于中心频率具有对称性的情况下,从可见度曲线的信息中仍然能恢复这个光谱。
短句来源
     We, then, mention problems, namely, (u,v) coverage, correction of errors in visibility data, image quality, GFF (Global Fringe Fitting), field of view, and so on.
     接着列举了一些存在的问题,包括(u,v)覆盖,可见度数据改正,图像质量的讨论,综合条纹拟合法(global fringe fitting)、视场等。
短句来源
     A quantified formula about the influence of dimension and monochromaticity of light source in visibility of interference fringe were given by combining theory with practice.
     在实验和理论相结合的基础上 ,推出了光源线度及单色性干涉条纹可见度影响的定量关系公式 .
短句来源
  “invisibility”译为未确定词的双语例句
     The microstructure of alloy Ti-24Al-14Nb-3V-0. 5Mo tensile-deformed has been studied using transmission electro microscope (TEM), and the deformation mechanism of α2 phase (DO19 in alloy bas been analysed by invisibility criterion and double tilting technique.
     用透射电子显微镜研究了Ti3Al-Nb(Ti-24Al-14Nb-3V-0.5Mo)合金拉伸变形显微组织,利用双倾技术和双束条件下不可见判据,分析了合金中具有DO19结构的α2相在拉伸过程中的变形机制。
短句来源
     Application of GMS in visibility of hydrogeological structure
     GMS在水文地质结构可视化方面的应用
短句来源
     Result: 521 arterial segments of 34 cases were shown by 2D TOF MRA(visibility was 80.7%), and 641 arterial segments were shown by 3D contrast-enhanced moving-bed MRA(visibility was 99.2%). This difference in visibility was statistically significant x~2= 120, p<0.05).
     结果:34例2D TOF MRA下肢动脉血管平均显示率为80.7%(521/646),移床—运动追踪MRA下肢动脉平均显示率为99.2%(641/646),两种方法显示率的比较有统计学差异(x~2=120,p<0.05)。
短句来源
     In the watermarking embedding process,there are three considerations: the amount of embedded information,invisibility and robustness.
     在数字水印嵌入过程中,水印的嵌入容量、水印的不可视性以及水印的鲁棒性构成水印嵌入的三要素,它们相互影响和制约。
短句来源
     The dislocations(such as a,c+a/2, c type) and slip systems of a2 phase(DO19 in structure)in a Ti-25Al-10Nb-3V-1Mo alloy after room-temperature tensile deformation were investigated in accordance withg·b invisibility criterion in a transmission electron microscope equipped with a side entry gonimeter stagecapable of a±45° tilt on the X or Y axis.
     在透射电子显微镜上,利用双倾双束技术和不可见判据,分析了Ti-25Al-10Nb-3V-1Mo(at-%)合金中具有DO19结构的α2相在室温拉伸形变时的位错类型和滑移系。
短句来源
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  invisibility
While public sociology seeks to rectify the public invisibility of sociology, this paper investigates the limitations of it program.
      
"Abyss Calls Out to Abyss": Oedipal Shame, Invisibility, and Broken Identity
      
In her book Sexual Harassment of Working Women Catherine MacKinnon (1979) suggested that "Trivialization of sexual harassment has been a major means through which its invisibility has been enforced.
      
Visibility and invisibility in the disability and lesbian communities are discussed and critiques are aimed at the constructions of both lesbianism and disabled people.
      
Also, it has negated black invisibility, subverted political anemia, and now struggles to resist and conquer an encroaching spiritual despair in post-industrial society.
      
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Various kinds of crystal defects, such as ferroelectric domain boundaries, growth bands, dislocations, subgrain boundaries and cellular structures, etc. in Czochraski-grown ferroelectric LiNbO3 single crystals were investigated by X-ray transmission topographic technique. The defects were identified by means of invisibility conditions using different diffractions, as well as X-ray anomalous scattering effect and optical microscopy. We have discussed the formation of domain boundaries in LiNbO3 and their...

Various kinds of crystal defects, such as ferroelectric domain boundaries, growth bands, dislocations, subgrain boundaries and cellular structures, etc. in Czochraski-grown ferroelectric LiNbO3 single crystals were investigated by X-ray transmission topographic technique. The defects were identified by means of invisibility conditions using different diffractions, as well as X-ray anomalous scattering effect and optical microscopy. We have discussed the formation of domain boundaries in LiNbO3 and their relation to the growth bands.

用X射线透射扫描形貌方法观察了直拉法生长LiNbO~3晶体中各种类型点阵缺陷,诸如铁电畴壁、生长层、位错、亚晶界和胞状组织等;用不同衍射矢量对[001]和[210]方向生长的晶体的形貌消象规律,结合X射线铁电异常散射效应和光学显微观察,讨论了晶体中180°铁电畴和生长层的衬度及其分布,并研究了LiNbO~3晶体中180°畴壁形成及其相互关系。

Convergent-beam electron diffraction zone-axis patterns have been obtained from transverse basal stacking faults in graphite and molybdenite. These patterns show a reduced symmetry and split reflections. The splitting and unsplitting of the reflections correspond to the visibility and invisibility of the stacking faults in the theory of diffraction contrast of imperfect crystals. This analysis can be extended to zone-axis patterns obtained from other crystal defects.

用会聚束电子衍射得到了石墨和辉钼矿的底面横向层错的带轴图样。带轴图样显示了层错引起的变化,对称性降低和部分衍射分裂,本文首先指出衍射分裂或不分裂可以用晶体缺陷衍射衬度理论来解释,这对应于缺陷的可见和不可见,这结果对缺陷的研究有普遍性意义。这方法为研究晶体缺陷提供了强有力的手段。

Difference and relation between proper appearance, measuring appearance and Visual appearance of rapidly moving objects are discussed,and their mathematical descriptions are presented. Meanwhile some current viewpoints on Terrell rotation and invisibility of Lorentz contraction are commented.

讨论高速运动物体的固有形象、测量形象和视觉形象之间的区别与联系,并给出它们的数学描述.同时对有关Terrell转动和Lorentz收缩的不可见性的一些观点进行评述.

 
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