Research Article

Damped CAPES 2D Spectral Estimation for Real-Valued Vibration Signals

Figure 4

Comparison of frequency resolution of the amplitude spectrum using DR-CAPES and FFT. ((a) , ; (b) , ; (c) , ; (d) , ; FFT spectrum in each figure was formed from data with a length of 1024 and a zero appending technique was used).
570347.fig.004a
(a)
570347.fig.004b
(b)
570347.fig.004c
(c)
570347.fig.004d
(d)