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- 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
- 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;
- 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。
- 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。
- 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
- 3-D seismic trace interpolation in f-k domain. 在f-k域实现三维波场道内插
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗?
- The synthetic seismogram based on 1-D convolution model does not consider the effect of multiples and converted wave, which is different from the well-side seismic traces on wave field. 基于一维褶积模型的合成地震记录没有考虑多次波和转换纵波的影响,与井旁地震道在地震波场上存在差异;