Study on Particle Image Velocimetry Technique in The Surface Flow Fiel of River Model

机译：河模型表面流场中的粒子图像测速技术研究

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In order to measure out the velocity vectors of the surface flow field rapidly and effectively, according to the distribution of the tracer particle used in the surface flow field of the model, we proposed an improved selection method of adaptive analysis window and the of cross-correlation calculation based on Hartley transform, instead of the traditional fixed window and Fourier transform method. Experimental results show that the improved method has low error and high computing efficiency, and could meet the realtime measurement requirements of the surface flow field of river model.

机译：为了快速有效地测量出表面流场的速度矢量，根据模型表面流场中使用的示踪粒子的分布，我们提出了一种改进的自适应分析窗口选择方法和交叉分析方法。基于Hartley变换的相关性计算，而不是传统的固定窗口和Fourier变换方法。实验结果表明，改进后的方法误差小，计算效率高，能够满足河流模型地表流场的实时测量要求。

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《ICCEE 2010;International conference on computer and electrical engineering》|2010年|p.339-344|共6页
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Zhao Jian-jun; Yu Heng; Qi Feng;
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中图分类计算技术、计算机技术;计算技术、计算机技术;
关键词
river model; PIV; adaptive analysis window; Hartley transform;

机译：河模型PIV;自适应分析窗口;哈特利变换;

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Study on Particle Image Velocimetry Technique in The Surface Flow Fiel of River Model

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