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  holography
Application of digital holography to circle flow bed boiler measurement
      
Digital in-line holography technique was applied to obtain the spatial and diameter distribution of the particles inside the boiler.
      
The approach features an increase in size of emulsion grains as compared with photographic emulsions for reflection holography using continuous lasers.
      
Digital holography is used to study the dynamic changes at the electrode/solution interface during current oscillation.
      
The history of development of acoustic holography in Russia is outlined.
      
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  hologram
In these media, the effect of prolonged storage of latent image before the development of a hologram was revealed and explained.
      
Contour Hologram Recording under the Formation of Multifrequency Pulsed Radiation Using Stimulated Brillouin Scattering
      
The paper contains an experimental justification of the dynamic speckle interferometry method whose characteristics are analogous to the holographic interferometry method but which does not provide for recording the hologram.
      
The features of the performance and operating characteristics of an interferometer containing a volume hologram for the measurement of small displacements are obtained on the basis of comparative experimental studies.
      
It is shown that the change in the energy of the monochromatized synchrotron radiation incident onto a hematite crystal results in the change of the number of reflections participating in the hologram formation.
      
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  holography
Application of digital holography to circle flow bed boiler measurement
      
Digital in-line holography technique was applied to obtain the spatial and diameter distribution of the particles inside the boiler.
      
The approach features an increase in size of emulsion grains as compared with photographic emulsions for reflection holography using continuous lasers.
      
Digital holography is used to study the dynamic changes at the electrode/solution interface during current oscillation.
      
The history of development of acoustic holography in Russia is outlined.
      
更多          


The principal formula of digital holography was deduced and verified from the analysis of holography using Hugeness Fressnel theory and computer simulation. The thin focus depth of reconstructed 3 D digital image using in holography particle image velocimetry was created by a digital image phase filter method. The velocity vector field with 3 components in 3 D space was computed by 3 D cross correlation algorithm with thin depth image slices after using phase filter and non linear image filter. The 3...

The principal formula of digital holography was deduced and verified from the analysis of holography using Hugeness Fressnel theory and computer simulation. The thin focus depth of reconstructed 3 D digital image using in holography particle image velocimetry was created by a digital image phase filter method. The velocity vector field with 3 components in 3 D space was computed by 3 D cross correlation algorithm with thin depth image slices after using phase filter and non linear image filter. The 3 D vector and streamline results in a cubic flow field were achieved by using DHPIV technique. The results demonstrated an important step was made for the practicality of holography PIV.

通过全息照相及再现的理论分析 ,进行了数字全息计算机数值模拟 ,利用快速傅里叶变换技术 (FFT)对拍摄到的干涉条纹进行了图像复频域的信号分析 ,实现了数字全息的复频域滤波技术和全息图的小景深再现技术 ,应用于数字全息粒子图像测速DHPIV(DigitalHolographyParticleImageVelocimetry)技术 .并对立方体对角复杂流动流场进行了试验测量 ,得到了空间中的三维速度向量场分布 ,进而得到了三维流线的空间分布 ,实现了具有时间序列全流场三维空间的三维速度场测量

 
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