Two algorithms for averaging unsynchronized wave forms are considered; the phase unwrapping and the phase vector techniques. The two techniques employ Fourier analysis and are applied to simulated signals contaminated with random noise. They both achieve a reasonable signal-to-noise ratio improvement and yield an average waveform that is properly positioned close to the ensemble mean delay. However, the phase vector method is shown to have a better performance and to be more convenient for producing an undistorted estimate of the Original waveform.
Abou-Chadi, F. E. (2021). 'Spectral Averaging Techniques for Unsynchronized Waveforms.', MEJ- Mansoura Engineering Journal, 16(1), pp. 13-24. doi: 10.21608/bfemu.2021.169211
VANCOUVER
Abou-Chadi, F. E. Spectral Averaging Techniques for Unsynchronized Waveforms.. MEJ- Mansoura Engineering Journal, 2021; 16(1): 13-24. doi: 10.21608/bfemu.2021.169211