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- Imaginary seismogram is obtained by Hilbert transform and three instantaneous information is obtained by complex seismic trace analysis method in this paper. 复地震道分析又称三瞬分析,该分析方法可将反映地震信号局部变化情况的地震波的瞬时振幅、瞬时相位和瞬时频率等信息分离开。
- Complex seismic trace 复地震道
- complex seismic trace analysis 复地震道分析
- Seismic trace inversion and attributes. 地震道反演和地震属性。
- Fitting a zero-offset seismic trace in time-frequency domain. 时频域零炮检距地震道拟合
- A seismic trace calculated from well-log data is called a synthetic seismogram. 由测井资料计算出来的地震记录道称为合成地震记录。
- Seismic trace interpolation with generalized spectral decomposition. 广义谱分解地震道内插方法
- Seismic trace reconstruction by trace equalization parabolic Radon transform. 道均衡抛物线Radon变换法地震道重建
- The complex seismic wavefield beneath high velocity layer was investigated on layer stripping observations of seismic physical model. 通过地震物理模型的分层观测，详细研究了高速屏蔽层下的复杂地震波场。
- Secondly, extract seismic wavelet from borehole side seismic trace by cestrum method to get wavelet spectrum in frequency domain. (2)对时间域的井旁道记录利用同态反褶积方法提取地震子波，得到频率域的子波谱；
- Numerical simulations demonstrate that the ARMA model provides a parsimonious, more efficient signal model for fitting seismic trace than the MA model does. 数值仿真结果表明，ARMA模型比MA模型在描述地震记录时具有参数节俭、模型更为高效的特点；
- The application results show that the elastic impedance seismic trace inversion can raise the ability of identifying reservoirs, especially in volcanics. 认为在火山岩发育区弹性阻抗反演应用效果好于常规波阻抗反演。
- Conventional seismic trace inversion method is based on the assumption of P-wave striking interface normally. However, conventional multi-channel seismic data records are oblique reflections, reflection amplitude is the average value of CDP gathers. 常规的地震道反演方法是建立在反射P波垂直假设的基础上，而实际地震资料采集时是非零炮检距的。
- Theoretical analysis and test of seismic signals indicate that this method is strongly self-adaptive to seismic signals and can detect the position of the onset in seismic trace precisely. 研究结果表明，该方法对地震波信号具有很强的自适应能力，能定量确定初至点的位置。
- complex seismic geological condition 复杂地震地质条件
- Finally, the synthetic seismogram is updated by iterating correlation with the seismic traces nearby borehole. 实际资料的试处理验证了所用方法和算法的有效性。
- Secondly, dismiss the seismic traces that do not meet the cophasal stacking principle. 然后根据同相叠加原理剔除不满足条件的地震道；
- Many partial coherent events are used to sparsely represent the seismic traces and improve imaging efficiency. 该方法用许多局部相关的同相轴来达到地震记录稀疏表示的目的,提高了偏移效率。
- PROBLEMS AND PROGRESS IN SEISMIC TRACE INVERSION 地震道反演面临的问题与进展
- Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
