Читать книгу Vibroacoustic Simulation - Alexander Peiffer - Страница 44

The Equation (1.28) for the displacement response of the damped harmonic oscillator

(1.172)

is an example for a system response in frequency domain. With u and F_s as complex amplitudes of harmonic signals we can express the system properties easily in the frequency domain

(1.173)

Thus, H(ω) is the system transfer function in frequency domain. It is usually a complex function.