We must find the unknown earthquake source knowing these wave arrival times.
通过这些抵达的次数，我们必将找出未知地震的来源。
An S-wave arrival time detection method for wave velocity measurement in single-hole method is presented in this paper.
本文系统论述了单孔法剪切波速测量信号处理中的一种到时差识别方法。
Since P-Wave can not be suppressed in dipole shear wave log in slow formation, there are some difficulties in picking the first S-Wave arrival.
在慢速地层中偶极横波测井不能很好地压制纵波，致使横波首波的检测存在一定的难度。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
实际资料处理结果表明，该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
A new technique is given here, which combines partial algorithm with scanning algorithm and obtains wave arrival times by solving eikonal equation with the use of finite difference method.
本文提出一种将局部算法与扫描算法相结合的、用有限差分解程函方程求取地震波初至时间的方法。
A new technique for picking the first S-Wave arrival is presented by multiplying energy ratio of the long window to the short window by the square of the amplitude envelope of waveforms in the paper.
提出了利用波形长短时窗能量比值与波形信号能量包络的平方乘积检测横波初至的新方法。
Their turf has been eroded by the ceaseless arrival of barely recognizable celebrities, followed by a wave of top bloggers - not to mention anyone who has the slightest connection to Mrs. Obama.
他们的领地被那些没什么名气的明星、大批的潮流博主侵占了——更不要说那些和奥巴马夫人有着哪怕一丁点儿关系的人。
With the arrival of the children, the couples would certainly enjoy less freedom. Those couples really fear that they will wave farewell to "two-person" world.
随着孩子的到来，夫妻享受的自由肯定会变少，他们肯定很害怕跟自己的两人是再见。
By the examples computation, the effects of the damage degree, damage location and zone on the amplitude and the arrival time of the received wave were quantitatively analyzed.
通过实例计算，定量地分析了结构内部损伤度、损伤位置和损伤区域大小对接收波幅值和波到达时间的影响。
Existing methods for travelling wave fault location don't combine the arrival time of travel-ling wave with the propagation velocity properly, which leads to poor location accuracy.
现有行波测距法基本上都没有把由该方法所确定的行波到达时间与故障定位用行波传播速度很好地结合起来，导致定位精度不理想。
The equatorial anomaly and the ionosphere greatly affect the arrival latitude of whistler wave at middle and low latitudes.
赤道异常和电离层显著地影响哨声波的到达纬度；
In the transmission line fault locating based on travelling wave, the arrival time of travelling wave must coordinate with the travelling wave velocity.
在输电线路行波测距中，存在行波浪涌到达时刻与行波传播速度相互配合的问题。
According to the view of random arrival time of incident wave, theoretical analysis is carried out on the dynamic fracture regulation of rock bar.
从应力波随机到达的角度对均质岩石杆件动态断裂规律进行理论分析。
According to the view of random arrival time of incident wave, theoretical analysis is carried out on the dynamic fracture regulation of rock bar.
从应力波随机到达的角度对均质岩石杆件动态断裂规律进行理论分析。
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