1) unloaded Q-factor
无载品质因素
1.
A practical method of measuring microwave resonator unloaded Q-factor is presented,which could eliminate phase shift of feed line when Q-factor is estimated by critical-points method.
提出了一种实用的测量微波谐振器无载品质因素的方法,在临界点法的基础上,消除了馈线引入的相移。
2) quality factor
品质因素
1.
Strata quality factor (Q) and attenuation factor ( β ) especially these of near surface, are studied.
对松辽盆地南部的地层品质因素和地层衰减系数、尤其是近地表的地层品质因素和地层衰减系数进行研究 ,进而研究了野外地震采集的激发和接受等各个因素。
2.
Simulation results show that better performance with smaller quality factor(Q) and boarder source moving range,and all these conclusions are obtained from viewpoints of the field uniformity and the probability density function(PDF).
利用格林函数法求解电振子激励下源搅拌混响室二维模型中的电场强度,并据此从场均匀性和统计特性的角度分析了2种因素对源搅拌混响室性能的影响,即腔体品质因素的降低和激励元移动范围的扩大能改善混响室性能。
3.
Owing to the demand of oil and gas exploration and engineering prospecting,the research on acoustic attenuation of rocks is very active and quality factor Q is an important research field.
品质因素Q是一个重要的研究领域。
3) high quality,high quality factor
高品质因素
4) figure of merit
质量(品质)因素
5) quality factor
品质因素，品质因数，品质系数，质量因数
6) loaded Q factor
有载品质因数
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条