Figure 2
The averaged 2D-FT calculated on 150 examples of the signal waveform of commonly encountered pulsed vibrations (a) DVAV signals, (b) worker pipes, (c) wax scratching, and (d) high-amplitude “click” vibrations.
Figure 2 | Scientific Reports
The averaged 2D-FT calculated on 150 examples of the signal waveform of commonly encountered pulsed vibrations (a) DVAV signals, (b) worker pipes, (c) wax scratching, and (d) high-amplitude “click” vibrations.
