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- reflection seismic wave 反射地震波
- Seismic wave field and seismic exploration II. 地震波场与地震勘探2。
- A surface at which seismic wave velocities change. 不连续面间断面，地震波速度突变面
- What causes distortions on prestack reflection seismic data? 导致叠前反射地震资料畸变的原因?
- Seismic wave AVO and formation lithology analysis. 地震波AVO与地层岩性分析
- Some changes in reservoir lithology and physical properties usually reflect in seismic wave form characteristics. 储层岩性、物性的变化往往表现为地震波形特征的差异，地震波形特征分析是岩性预测、油气预测的重要手段。
- So the change of seismic wave can reflect the thickness of sediment and the big and small of sedimental grain. 由于构造运动的周期性及地层沉积的旋回性对应于地震资料的频率特征,因此地震波的频率变化可以反映沉积体的厚度及沉积颗粒的粗细。
- The coherent body technique is used to compare similarity of local seismic wave forms,where the coherent value is low,usually related to the reflection wave form discontinuity. 相干体技术是利用三维数据体来比较局部地震波形的相似性,相干值较低的点与反射波波形不连续性相关。
- Based on theoretical analysis, the coefficient of transmission and reflection of blasting seismic wave when it passes the water in riverway is calculated in this paper. 通过数值模拟结果可知,在爆破地震波跨河道传播中,不考虑水体影响时岩体内各点的峰值震速较考虑水体影响情况下的峰值要大。
- It is difficult for conventional reflection seismic surveys to get the information of low velocity layers underlain high acoustic impedance layers, such as evaporites and basalts. 在蒸发岩、玄武岩等高阻抗岩层发育地区，常规反射地震往往难以获取高阻抗层以下的地层地质信息。
- The shallow sedimentary basin structure can be obtained from reflection seismic data;basement undulation and deep structure can be obtained from gravity and magnetic inversion. 浅层沉积盆地结构通过反射地震资料控制，深层地质结构信息利用重磁异常场分离、物性界面反演等方法得到。
- A seismograph produces wavy lines that reflect the size of seismic waves passing beneath it. 地震仪能产生反映在其下面通过的地震波大小的波状线。
- It implies that the reflection seismic survey is a available strategy investigating the structure in the Sulu ultra-high pressure metamorphosed terrace. 它意味着在非沉积层的结晶岩区,反射地震勘测手段是研究地下复杂结构的有效方法。
- Seismic sections show the response of the earth to seismic waves. 地震剖面是地壳对地震波的响应。
- In essence, the traveltime tomography in reflection seismic belongs to morbid problem, and regularization is an effective means to modify the morbid degree of problem. 摘要反射地震走时层析本质上是一个病态问题，而正则化是改善问题病态程度的有效手段。
- Body waves, the fastest seismic waves, move through the earth. 体波是最快的地震波，可贯穿地球。
- Methods used have been gravity,ground and airborne magnetics,ground and airborne electromagnetics,IP/resistivity,downhole geophysical logging,and reflection seismic. 使用的物探方法有重力、地面和航空磁法、地面和航空电磁、IP/电阻率法、钻孔物探测井及地震反射。
- Regional seismic wave carries iota of information about structural variations in the crust and the upper mantin. 摘要区域地震波携带着大量的信息，可以很好地反映地壳和上地幔结构的变化。
- Deep reflection seismic method is characterized by high resolution ratio, accuracy and reliability, and is hence an effective technique for geoscience research. 摘要深反射地震方法解析度高、准确可靠，是用于地学研究的一种有效方法技术。
- Body waves,the fastest seismic waves,move through the earth. 体波是最快的地震波，可贯穿地球。
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