Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
quality factor
In physics and engineering, this term refers specifically to the Q factor, a measure of how underdamped an oscillator is. A high value indicates a low rate of energy loss relative to the stored energy, which is critical for the precision of timing devices like quartz crystals.
In data science and statistics, the term is used more broadly as a metric for reliability. It serves as a weighting mechanism to distinguish high-fidelity data from noise, ensuring that subsequent analysis is based on the most trustworthy inputs.
Meanings
A dimensionless parameter in physics and engineering that describes the damping of an oscillator, representing the ratio of stored energy to the energy dissipated per cycle.
Examples
The high quality factor of the crystal oscillator ensures a very stable frequency.
We need to increase the quality factor to reduce energy loss in the resonator.
A low quality factor means the system is heavily damped and will stop oscillating quickly.
How does the quality factor affect the bandwidth of this filter circuit?
The laser cavity was designed with an extremely high quality factor to maintain a narrow linewidth.
I wonder if the quality factor of this dataset is high enough to justify the conclusion.
The researchers assigned a quality factor to each sample to filter out unreliable measurements.
Check the quality factor for these readings before you include them in the final report.