1) Corner Frequency Ratio
拐角频率比
1.
The corner frequency ratio (fC(P)/fC(S) was about 18 before the mainshock;however,it reduced to 13 after the mainshock,where the fC(P) and fC(S) are the amplitudes of P and S waves displacement spectrum at the corner frequency,respectively.
结果表明，主震前，共和地区小地震的纵、横波位移谱的拐角频率比值ｆＣ（Ｐ）／ｆＣ（Ｓ）为１。
2) Corner Frequency
拐角频率
1.
In the basis of Doppler effect in the process of seismic wave s propagation, the corner frequency of wave P or S can be used to determine the rupture plane under 1D finite moving source model.
在一维有限移动震源模式下,根据地震波传播过程中的多普勒效应利用S波或P波拐角频率的方向性来确定地震破裂面的方法,计算了2003年11月~2005年10月阳江地区13次ML≥2。
2.
Based on those concerned items we have done before with analogue data of BSTN, this time we use the data from DAPS (Data Acquisition and Processing System,A/D at network centre) to analyze the characteristic of waveform, M_L and M_D, predominant period and corner frequency of blasts and small earthquakes.
主要根据两者在波形记录特征、ML与MD震级差别、频谱分析中卓越周期与拐角频率方面的不同,使得地震与爆破的识别取得了较高的概率。
3.
We had studied and compared the characteristics of wave spectrum of these events and found that the corner frequency and the maximum spectrum are different for explosion,mine tremor and earthquake.
根据辽宁数字地震台网记录的爆破、矿震与地震的数字资料,采用波谱分析的方法,选取4个台站对其所在区域182个爆破、矿震与地震事件的记录,对比研究波谱特征,发现爆破、矿震与地震的纵横波拐角频率fc(P,S)及最大谱值等存在的差异。
3) dynamic corner frequency
动力学拐角频率
1.
The static corner frequency and dynamic corner frequency in stochastic synthesis of ground motion of finite-fault modeling are introduced, and conceptual disadvantages of the two are discussed.
介绍了基于有限断层震源的地震动随机合成中静力学拐角频率和动力学拐角频率,讨论了两者的缺点;进而提出了一种改进的震源谱模型,它能够表达破裂面上地震波频率辐射不均匀性、大震时拐角频率随破裂面积增加而有所下降的趋势。
4) static corner frequency
静力学拐角频率
5) Point of inflection of frequency
频率拐点
6) light frequency equation of inflexion
拐点光频率方程
1.
A light frequency equation of inflexion on planck function;
普朗克函数的拐点光频率方程
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