高频地震反射波法能有效地进行隧道掌子面前方地质预报。
The result states clearly that the seismic reflection method of high frequency can effectively apply to geologic prefiguration in tunnel.
从视等厚层状吸收介质模型入手，理论计算了地震反射波的振幅谱。
Starting from the layer absorbing media model, the amplitude spectrum is calculated theoretically.
阐述了简化后的大面积采空类型相应地震反射波的运动学和动力学特征规律；
Secondly, the type of large mining area is simplified, and its kinematic and dynamic characteristics of reflection are expounded.
地震反射波振幅与很多因素有关，地层厚度是影响地震反射波振幅的因素之一。
The seismic reflection amplitude deals with a wide range of elepignts. Formation thickness is taken as one of the factors affecting the seismic reflection amplitude.
对于地下复杂的地质构造，地震反射波法比折射波法能够提供更多更详细的地下信息。
The seismic reflection method can provide more detailed and more information about underground geological structure than refraction method.
近十年来，深地震反射波勘探在海洋岩石圈的形成与演化、地壳结构研究中的应用越来越广泛。
In the recent decade, the deep seismic reflection profiling has been applied widely to studies on formation and evolution of oceanic lithosphere, crust structures and so on.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
以吉林省白山市石碑岭隧道掘进中所进行的超前预报为例，介绍了地质雷达和地震反射波法在这一领域里的应用。
This paper gives an example of Shibeiling tunnel in Baishan city, Jilin, and introduces the GPR and seismic method .
结果表明，改进后仪器接收到的地震反射波主振幅、主频率、频带宽度、垂向分辨率及仪器记录信号的有效动态范围均有不同程度的提高。
The results show that the main amplitude, main frequency and frequency band of reflected wavelet and the effective dynamic range of system have different degrees of increase.
地震数据中的反射波标志着地下反射面的存在。
第二句话对解释进行总的说明：“在实地作业中，通过将一系列波列源，诸如小规模炸药爆炸，排列成一个网格模式，从而将地下层面标绘出来。” 接下来是“地震反射法”的详细过程。
In field practice, a subsurface is mapped by arranging a series of wave-train sources, such as small dynamite explosions, in a grid pattern…
反射波是地下构造信息的主要载体，是地震成像的主要信息。
Reflections are the main carriers of subsurface structures, and also the main information used in seismic imaging.
在小波处理后的高尺度地震剖面上可以清晰地分辨煤层顶、底板反射波，对于煤层厚度的解释具有重要的参考价值。
In the high scale seismic profile after the wavelet transform the roof and floor reflection events of the coal bed can be distinguished clearly, Which is invigorative in coal thickness interpretation.
地震能量多次反射波的一种类型，表现为一个同相轴。
A type of multiply-reflected seismic energy that appears as an event.
为了保持原始地震记录的相对强度，可以稳定的海底反射波作参考层，估算目的层的补偿值。
In order to preserve the relative intensity in - formation in raw seismic data, we can consider the sea-bottom reflection as reference layer to estimate the compensation value of target stratum.
地震剖面上的断面反射波结构主要有四种类型：(1)勺形、(2)椅形、(3)阶形、(4)坎形。
Texture of the reflection from fault plane shown in seismic profile can be divided into four type: (1) Spoon shaped, (2) Listric shaped, (3) Step shaped and (4) Scarp shaped.
在石油地震勘探中，面波一般是作为干扰波处理的，然而，瑞利面波也和折射波、反射波一样包含有地下介质的信息。
The surface wave is treated as interference wave in oil seismic prospecting, however, the Rayleigh wave, like the refraction and reflection waves, contains the information of underground medium.
三分量反射地震的本质是三维矢量反射波场。
The essence of three component seismic reflection is three dimensional vector reflection field.
由于目的层反射弱、多次波发育，地震资料品质差，为此二次三维采集时选择了近似全三维的观测系统；
The quality of seismic data was poor because complex and special geological conditions make the reflectivity of the objective formations weak and multiples strong.
由多道面波法和地震反射法测得的横波速度则作为堤身的刚度的良好判别指标。
The S-wave velocities estimated from MASW and seismic reflection surveys were used as the good indices to evaluate the stiffness of levee body.
研究了多道地震信号的最佳估计以及因之而提出的反射波时距曲线段的拟合问题；
The optimal estimate problem of multichannel seismic signals is investigated, and then the fitting of reflection travel-time distance relationship segment is applied and discussed.
在研究地壳结构的人工源宽角反射地震资料解释中，常规宽角反射波走时和射线路径计算大都假定地壳模型为层状块状均匀介质。
Layered and blocked homogeneous models are usually used to calculated travel times and ray paths of wide-angle reflection waves in interpreting wide-angle reflection data of deep seismic sounding.
在实际地震资料处理的成果剖面上，各反射层位的波组特征清楚，层间信息丰富，波形自然稳定。
In practical seismic data processing achievement profile, wave group characteristics of every reflection zone are clear, information of layer to layer is rich and wave shape is natural and stable.
井间地震资料数据处理主要包括两个方面：井间层析成像处理和井间反射波叠加成像处理两大部分。
The crosswell seismic data processing mainly consists of two aspects: one is crosswell tomography imaging processing, and another is crosswell back wave stacking imaging processing.
通过模型资料测试，以及近地表反射地震实例叠前资料面波压制试处理研究工作，验证了多线束径向中值滤波方法的可行性和实用性。
The feasibility and effective of the multi-radial mid-value filtering have been verified through some model data tests and suppressing the surface wave in the practical pre-stack seismic data.
据此，就三维地震反射面接收，本文对三维倾斜界面以及各向异性对P波时距特征的影响做计算讨论。
This thesis attempts to evaluate the effects of a 3D dipping interface within anisotropic media for the time-distance features of reflected P-wave.
一种叫地震仪的仪器把这种反射来的振动波转送到记录器上。
Instruments called seismometers relay these reflected vibrations to a recording instrument.
提出了采用P波广角反射和P波高速层内局部转换广角反射波消除火成岩高速层对地震波的屏蔽作用。
This paper proposed to overcome the shielding effects by using wide-angle P-wave reflections and localized converted waves (PSPPSP).
提出了采用P波广角反射和P波高速层内局部转换广角反射波消除火成岩高速层对地震波的屏蔽作用。
This paper proposed to overcome the shielding effects by using wide-angle P-wave reflections and localized converted waves (PSPPSP).
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