| 1. | Effect of complex site on seismic wave propagation
复杂场地对地震波传播的影响 |
| 2. | The absorbing boundary conditions to avoid the artificial boundary reflections must be required in the numerical simulation of seismic wave propagation
摘要在地震波传播数值模拟的过程中，需要使用吸收边界条件从而达到衰减人为边界反射的目的。 |
| 3. | It has been shown that the complex sites have important effect on seismic wave propagation . moreover , specialists concluded from field investigation that intensity anormaly during destructive earthquakes is in accordance with local site conditions
复杂场地对地震波传播有很重要的影响，地震现场调查显示，地震烈度异常区与场地条件密切相关。 |
| 4. | Take the breakage of the pipe joints caused by seismic wave propagation as main damage mode ; the velocity of seismic wave propagation along the pipelines , soil - pipe interaction , and the correlation between the damage of pipe units are discussed
综合分析了地下管道的地震破坏特征和反应机理，提出以管道在地震波作用下的接头损坏作为主要破坏模式；探讨了地震波沿管道的传播速度，管-土相互作用，管单元的失效相关性等问题。 |
| 5. | 5 the effect of complex media protruding topography on seismic wave propagation the protruding topography has amplification effect on ground motion while the hillside has constraint effect . the amplification factor of the valley bewteen two moutains is related to the distance of the two moutains
5 、复杂介质凸起地形对地展波传播的影响山体对地面运动有放大作用，在山脚则有抑制作用，山包之间峡谷的土层反应放大倍数受山包之间距离的影响较大。 |
| 6. | The combination of soil layer has negligible effect on the p - wave propagation . 4 the effect of complex media basin on seismic wave propagation the significant parameters controlling the propagation in basin contain sediments / bedrock shear - wave velocity contrast , sediment depth and the degree of saturation
4 、复杂介质情况下盆地对地震波传播的影响基岩与沉积层的剪切波速比、沉积层的深度、沉积层的饱和度是影响地震波在沉积盆地中传播的重要因素。 |
| 7. | In this paper , the authors study the mathematical model for seismic wave propagation in complex underground medium , discuss the boundary element method for solving seismic wave equations in frequency - domain , and investigate the computational formation of separation of wave equations in frequency - domain
摘要分析了复杂地下介质情形地震波传播的数学模型，讨论了地震波数学模型数值求解的频率域边界元方法，并得到波动方程频率域边界元法的离散化计算公式。 |
| 8. | This paper presents the prestack time migration to curved rays for minor fault blocks , which is of more accurate migration , allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation , the focused imaging to be more precise , the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study
采用弯曲射线叠前时间偏移技术使小断块准确偏移归位，其走时方程更接近层状介质地震波的真实传播路径，成像聚焦更精确，且通过特殊振幅处理，其偏移结果有很好的保幅性，输出的道集可以用于岩性分析和反演研究。 |
