| DPIV的FFT互相关算法 |
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| 引用本文： | 廖光煊.DPIV的FFT互相关算法[J].中国科学技术大学学报,1999,29(3):316-321. |
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| 作者姓名： | 廖光煊 |
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| 作者单位： | 中国科学技术大学近代物理系，中国科学技术大学火灾科学国家重点实验室 |
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| 摘 要： | 详细研究了基于快速傅立叶变换（ＦＦＴ）的数字粒子图象测速技术（ＤＰＩＶ）的互相关算法．该算法速度很快，使ＤＰＩＶ具备实时性成为可能．文中阐述了算法原理，分析了算法的运算量，给出了用ＭＡＴＬＡＢ语言实现的具体步骤
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| 关 键 词： | 数字粒子图象测速技术，快速傅立叶变换，互相关算法 |
FFT Cross Correlation Algorithm for DPIV |
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| WANG Yanting,ZHANG Yongming.FFT Cross Correlation Algorithm for DPIV[J].Journal of University of Science and Technology of China,1999,29(3):316-321. |
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| Authors: | WANG Yanting ZHANG Yongming |
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| Abstract: | A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper. It is very fast and makes the real time of DPIV possible. The principle of the algorith, analysis of its computational cost and the realization precedures via MATLAB are provided. |
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| Keywords: | digital particle image velocimetry fast fourier trasform cross correlation algorithm |
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