| 光束穿越不同介质时LDV的测试及其误差分析 |
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| 引用本文： | 徐兴祺.光束穿越不同介质时LDV的测试及其误差分析[J].实验力学,1992,7(4):329-336. |
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| 作者姓名： | 徐兴祺 |
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| 作者单位： | 中国船舶科学研究中心 |
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| 摘 要： | 本文应用平面几何及光学原理,从理论和实践上分析了应用激光多普勒测速仪(LDV)进行实际测量时,在有窗口的情况下应该注意的几个问题,并给出了测量点位置偏差修正的定量公式以及光轴方向上测速精度相对误差的评估方程,省略了繁琐的理论推导.
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| 关 键 词： | 激光测速 流体力学 LDV |
Research on the Technique of LDV Measurements and Error Analysis when the Beams Pass Through Different Mediums |
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| Xu Xingqi.Research on the Technique of LDV Measurements and Error Analysis when the Beams Pass Through Different Mediums[J].Journal of Experimental Mechanics,1992,7(4):329-336. |
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| Authors: | Xu Xingqi |
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| Institution: | China Ship Scientific Research Center |
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| Abstract: | By using geometric and optical principles,the measuring window of LDV has been discussed.The quantitative correction formula for themeasuring error in the posi- tion of inspection points and the method for the evaluation of relative errors on velocity measuring accuracy are given. |
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| Keywords: | LDV fluid mechanics water tunnel |
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