The voltage gain of an amplifier with no load on the output.
The amount of mechanical gain of a structure when excited at a resonant frequency. The ratio of the amplitude of the steady state solution (amplitude at resonance) to the static deflection for the same force F. The amplification factor is a function of the system damping:
- for a damping ratio = 0, no damping, the amplification factor is infinite
- for a damping ratio = 1, critically damped, there is no amplification
See also: Amplifier.