In physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. It is defined as the ratio of the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation. [ 1 ]

2020年10月4日 · Q factor (also known as Quality Factor or Q-factor) is defined as a dimensionless parameter that describes the underdamped condition of an oscillator or resonator. The quality factor measures the performance of a coil, a capacitor, or an inductor in terms of its losses and resonator bandwidth.

The Q factor is a measure of the damping of resonator modes. Using super mirrors, for example, optical resonators with extremely high Q factor can be made.

The Q, or quality, factor of a resonant circuit is a measure of the “goodness” or quality of a resonant circuit. A higher value for this figure of merit corresponds to a more narrow bandwidth, which is desirable in many applications.

2025年1月26日 · What is Quality Factor? Quality Factor or Q-factor is a dimensionless parameter that describes an oscillator’s or resonator’s underdamped condition. The quality factor assesses a coil’s, capacitor’s, or inductor’s performance in terms of losses and resonator bandwidth.

The Quality factor or Q-Factor of a resonant circuit can be defined as the measurement of “quality” or “betterness” of a resonant circuit as far as its performance is concerned. The higher the value of the Quality factor, the narrower the bandwidth provided by the …

The "Q" factor of an oscillating system In many, many situations that involve oscillating systems, a common factor pops up. Usually denoted by the letter Q, and sometimes called the quality factor, this quantity has several different meanings. We'll only discuss a few of them here.