1) First Motion Direction of P Wave
P波初动方向
3) first motion of P-waves
[地]P波初动
4) half period of the first arrival P wave
P波初动半周期
5) azumthal P-wave
方位P-波
6) first arrival direction
初至方向
1.
It is analyzed that the internal relations of surface layerdatas by seismic refraction and microseismogram log; It is discussed that the reasons for the opposite of first arrival directions between near-trace and far-trace waves; It is explained that the explosive quantity plays a r.
本文根据地震表层研究中所做的若干试验结果,分析了在应用地震小折射及各种测井方法确定表层参数时的内在关系;讨论了地震记录近炮点道与远炮点道波初至方向相反的原因;阐述了激发药量对压制背景噪声的重要性及偏移距与接收能量的关系,给出了包括黄土和细黄砂成份的泥浆速度的试验测定值是1447(m/s)。
补充资料:冲击波超压与动压