INFLUENCE ASSESSMENT OF DESTABILIZING FACTORS ON THE PHASE DIFFERENCE MEASUREMENT ACCURACY OF RELEVANT HARMONICS IN TWO SIGNALS
Abstract
By the simulation method the influence of destabilizing factors on the phase difference measurement accuracy of harmonics in the spectrum of two signals which are an additive mix of several harmonic signals and Gaussian noise is estimated using the discrete Fourier transform (DFT) technique. As destabilizing factors are considered the internal noises in the receiving channel and the influence of harmonics frequency convergence. Assessments of these factors influence are performed for cases of using a rectangular window and Hamming’s or Hannah’s windows
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