1) predominant frequency
卓越频率
1.
From the European strong ground motion database,on the basis of the same magnitude,epicenter distance and similar site condition,we collect the accelerations recorded by the same station but from different earthquakes and by different stations but from the same earthquake,and analyze the certainty of the PGA ratio of the corresponding components,predominant frequency and response spectra.
选取欧洲强震记录数据库中,同一台站记录到的两次地震以及两个不同台站记录到的同一地震的强震记录,分析了它们的PGA比值、卓越频率和反应谱的不确定性以及不确定性对结构反应的影响,得出:影响地震动不确定性的因素主要有震源机制、地震波传播途径、场地类别等。
2) Earthquake Dominant Frequency(EDF)
地震卓越频率
3) prominent frequency ingredient
卓越频率成分
1.
Aiming at vehicle noise recognition, this paper abstracts some features, such as, spectrum gravity center, spectrum area and prominent frequency ingredient on the basis of making pre processing and AR spectrum estimation of tested four kinds of vehicle noises.
针对车辆噪声识别问题，在对实测的４种车辆噪声信号进行预处理和ＡＲ谱估计的基础上，提取了谱重心、谱面积和卓越频率成分等几个特征量。
4) dominant ground frequen cies
场地土卓越频率
5) dominant ground frequency ratio (DGFR)
场地土卓越频率比
6) earthquake dominant frequency ratio (EDFR)
地震卓越频率系数(EDFR)
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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