| 顾杰.散斑照相孔径优化的研究[J].实验力学,1986,1(4): |
| 散斑照相孔径优化的研究 |
| THE RESEARCH OF OPTIMIZING THE APERTURE METHOD FOR SPECKLE PHOTOGRAPHY |
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| DOI： |
| 中文关键词: 散斑照相,散斑图,衍射晕,一维调频孔径,交叉孔径,旋转孔径 |
| 英文关键词:speckle photography,specklegram diffraction halo,one dimensional frequency modulated aperture,crossed aperture,rotation aperture, |
| 基金项目: |
| 顾杰 |
| 苏州大学 |
| 摘要点击次数: 326 |
| 全文下载次数: 468 |
| 中文摘要: |
| 本文提出了三种新的散斑照相孔径方法:一维调频孔径法,交叉孔径法和旋转孔径法。给出了理论分析和实验证明。这些方法简单实用,能有效地改变衍射晕的能量分布。适当选择孔径的参数,实验者能相当任意地控制散斑图的空间频率成份。新方法兼顾了突出某一频率成份、灵敏度连续可调、获得多个方向散斑场运动信息等各方面的特性。 |
| 英文摘要: |
| Three new aperture methods of speckle photography,one dimensional frequency modulated aperture method crossed aperture method and rotation aperture method are proposed.The theoretical analysis and experimental demonstration are presented.The methods are s |
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