基于LabVIEW的三种相位差测量法的对比分析
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TP274

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Contrast and Analysis of three Measuring Methods for Phase Difference Based on LabVIEW
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    摘要:

    在介绍测量相位差的三种算法即过零点法、相关法和频谱分析法的原理的基础上运用LabVIEW虚拟仪器分别实现了这三种算法,并分析了这三种算法产生误差的原因,提高了相位差测量精度的方法,通过对三种算法进行比较分析指出了各自适用的场合。

    Abstract:

    Phase difference is an extremely important parameter in many fields such as electrical technology, industrial automation, intelligent control, communications and electronic technology etc. This article describes the basic principles of three types of phase measurement algorithm, which is over-zero method, correlation method and spectrum analysis method, and achieves them with LabVIEW respectively. At the same, the causes of errors of these three algorithms are analyzed and the method of improving the measurement accuracy is proposed. Finally, through a comparative analysis of the three algorithms, the applicable occasions for each algorithm are offered.

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任海东,尹文庆,胡飞. 基于LabVIEW的三种相位差测量法的对比分析[J]. 科学技术与工程, 2010, (1): .
Ren Haidong, Yin Wenqing, Hu Fei. Contrast and Analysis of three Measuring Methods for Phase Difference Based on LabVIEW[J]. Science Technology and Engineering,2010,(1).

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历史
  • 收稿日期:2009-09-28
  • 最后修改日期:2009-11-26
  • 录用日期:2009-10-10
  • 在线发布日期: 2010-01-11
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