Consider Figure 9.37 and describe in your own words the fundamental result depicted there graphically. Input spectrum

Consider Figure 9.37 and describe in your own words the fundamental result depicted there graphically.

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Input spectrum |G(io) System function SFF(0) S || @ Sxx (0) @p @ Response spectrum 34 Wn Figure 9.37: With input spectrum SFF (w), transfer function G (iw), and output spectrum Sxx (w), we see how the transfer function acts as a filter, allowing primarily input energy around the natural frequency of the system to pass through, resulting in output spectrum energy primarily around the system natural frequency.