Abstract
Considering an instrumentation system (Fig. 5.1), having an input x i (t) and an output x 0(t), a system frequency response function can be established, having two parts — the amplitude spectrum (Fig. 5.2 a) and the phase spectrum (Fig. 5.2 b). These spectra describe how the input signal is altered when passing through the instrumentation system: the frequency components falling within the flat passband of the system remain unaltered, the others being attenuated and shifted in phase.
Figure 5.2
Figure 5.3
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© 1986 Springer Science+Business Media Dordrecht
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Buzdugan, G., Mihăilescu, E., Radeṣ, M. (1986). Instrumentation for vibration measurement. In: Vibration measurement. Mechanics: Dynamical Systems, vol 8. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-3645-9_5
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DOI: https://doi.org/10.1007/978-94-017-3645-9_5
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