1) Point of inflection of frequency
频率拐点
2) 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
3) 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。
4) heart-rate deflection point
心率拐点
1.
The aim of the present investigation was to compare the accuracy of the heart-rate deflection point(HRDP) and the HR variability threshold(HRVT) to predict anaerobic threshold in boys.
通过对青少年心率拐点和心率变异阈的研究,发现心率拐点和心率变异阈可以做为推测无氧阈的重要指标。
6) 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。
补充资料：拐点
拐点
point of inflection
拐点【l扣加t orin。以为佣;Ilepe比6am叹以l 平面曲线上具有下述性质的点M:曲线在M处有唯一切线、并且在M的一个小邻域内，曲线位于由切线和法线组成的一对直角区域内(图l). 赓 图1 设函数f定义在一点x。的某个邻域内，并设f在该点连续.点为，称为厂的拐点，如果它既是严格凸向上区间的端点，同时又是严格凸向下区间的端点.在这种情况下，点(x。，f(x。”称为函数图形的拐点、即f的图形在(x。，f(戈，”处“拐”过它在该点的切线;当x
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