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A Simple Algorithm for the Estimation of Phase Difference Between Two Sinusoidal Voltages
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DOI：10.1109/TIM.2010.2047155.png)
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摘要
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A simple algorithm (SAL) and a modified SAL (MSAL) for the estimation of the phase difference between two sine-wave signals are proposed. The results obtained by SAL and MSAL in simulations and on real samples are given. A comparison between the phase difference results estimated by MSAL, quadrature delay estimator (QDE), unbiased QDE (UQDE), three-parameter sine-fitting algorithm (3PSF), four-parameter sine-fitting algorithm (4PSF), and seven-parameter sine-fitting algorithm (7PSF) is presented. The requirements for the application of SAL and MSAL are analyzed.
Keyword:
AC measurements
digital signal processing
four-parameter sine fitting (4PSF)
phase difference
phase measurement
sampled data systems
seven-parameter sine fitting (7PSF)
simple algorithm (SAL)
three-parameter sine fitting (3PSF)
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5.9
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1.9W
被引数:
5.8W
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