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Definition of "quality factor (Q)" |
measure of the persistence of damped oscillations in a resonator; 2π times the energy stored in an oscillating system divided by the energy lost in one cycle of the oscillations. Q is a measure of the precision of the frequency selectivity of an electrical resonator or filter. Q is dimensionless. |
Definition of "quality factor Q" |
The quality factor of a resonant circuit is the ratio of its resonant frequency to its bandwidth. The higher the quality factor, the lower the losses in the circuit and higher the resonant peak. |
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