The Q, or quality factor, of an oscillatory system is a very widely used term. 一个振动系统的Q,即质量因子,是一个应用极广的概念。
The phase-inverted tube in the vented-box and the adjustment of quality factor QTSB are introduced. 分析了在开口箱中倒相管的作用,并且介绍了开口箱品质因数(QF)QTSB的调整。
The results show that the new type accelerating cavity has relatively high effective shunt impedance and quality factor. 计算结果表明:该种新加速腔具有较高的有效分路阻抗和品质因数(QF)。
Raw material quality factor in the bearing failure analysis, the proportion has decreased significantly, but it is still bearing failure, one of the main factors. 原材料质量因素在轴承失效分析中所占的比重已经明显下降,但它仍然是轴承失效的主要影响因素之一。
The conventional swept frequency method for measuring quality factor of a cavity resonator is limited in practical use. 传统的谐振腔品质因数(QF)扫频测量方法在实际测量时存在一定的限制。