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Volume 30 Issue 05
May  2004
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Journal of Beijing University of Aeronautics and Astronautics  > 2004  >  30(05): 456-460.
Xue Bindang, Xing Yanqi. Fresnel transform based invariant moments extraction and object recognition method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(8): 1001-1004,1063. (in Chinese)
Citation: Wei Runjie, Shen Gongxin, Ding Hanquanet al. Research of digital holography PIV technique[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(05): 456-460. (in Chinese)
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Research of digital holography PIV technique

  • 1.

    School of Aeronautic Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 30 Dec 2002
  • Publish Date: 31 May 2004
    Abstract
  • 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.

     

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  • [1] Hui Meng, Fazle Hussain. Holographic particle velocimetry:a 3D measurement technique for vortex interactions, coherent structures and turbulence [J]. Fluid Dynamics Research, 1991,8:33~52 [2]Ye Pu, Meng H. An advanced off-axis holographic particle image Velocimetry (HPIV) system[J]. Experiments in Fluids, 2000,l29:184~197 [3]Adams M. Particle size and position measurement with digital holography[J]. Proc. SPIE, 1997, 3098:234~240 [4]Shigeru MURATA. Simultaneous Measurement of Particle Depth and Size Using Digital Holography . In:9th International Symposium on Flow Visualization . Tokyo:Springer-Verlag, 2000.269~298 [5]Adams M, Jupter W. Digital in-line holography in particle measurement . Proc SPIE, 1999, 3744:54~64 [6]Pan G, Meng H. Digital in -line Holograph PIV for 3D Particle Flow Diagnostics . In:4th Internal Symposium on Particle Image Velocimetry . Gottingen:Springer-Verlag, 2001.17~19
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