Wave-equation-based seismic illumination analysis

XB **e, S **, RS Wu - Geophysics, 2006 - library.seg.org
We present a wave-equation-based method for seismic illumination analysis. A one-way
wave-equation-based, generalized screen propagator is used to extrapolate the wavefields …

An angle-domain imaging condition for elastic reverse time migration and its application to angle gather extraction

R Yan, XB **e - Geophysics, 2012 - library.seg.org
An angle-domain imaging condition is recommended for multicomponent elastic reverse
time migration. The local slant stack method is used to separate source and receiver waves …

Near-borehole formation acoustic logging imaging: A full waveform inversion algorithm in cylindrical coordinates

D Chen, C Zhang, W Guan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Acoustic logging is essential for probing formations surrounding a borehole. However,
conventional logging signal processing methods cannot process inhomogeneous formation …

Full-wave directional illumination analysis in the frequency domain

J Cao, RS Wu - Geophysics, 2009 - library.seg.org
Directional illumination analysis based on one-way wave equations has been studied
extensively; however, its inherent limitations, eg, one-way propagation, wide-angle error …

Seismic illumination analysis and its applications in seismic survey design

XB **e, YQ He, PM Li - Chinese Journal of Geophysics, 2013 - en.dzkx.org
Given the subsurface background velocity, seismic illumination analysis simulates the
detecting capability of a specific acquisition system to subsurface targets. Based on the …

Directional illumination analysis using the local exponential frame

J Mao, RS Wu, JH Gao - Geophysics, 2010 - library.seg.org
We have developed an efficient method of directional illumination analysis in the local angle
domain using local exponential frame beamlets. The space-domain wavefields with different …

[HTML][HTML] 地震照明分析及其在地震采集设计中的应用

谢小碧, 何永清, **培明 - 地球物理学报, 2013 - html.rhhz.net
地震照明分析是在给定地下背景结构的情况下用模拟方法研究采集系统对地下结构的探测能力.
对目标照明的影响主要来自观测系统的设置, 上覆地质结构的复杂性以及目标倾角等三项因素 …

相控震源定向地震波信号分析

姜弢, 林君, 杨冬, 陈祖斌 - 地球物理学报, 2008 - dzkx.org
应用可控震源地震勘探, 当环境噪声很**, 采用组合震源工作仍不能满足信噪比要求时,
引入能形成定向地震波的相控震源. 由相控震源定向照明地震理论分析, 主波束方向上3 …

Illumination analysis using local exponential beamlets

J Mao, RS Wu - SEG Technical Program Expanded Abstracts 2007, 2007 - library.seg.org
In this paper, we develop an efficient method of directional illumination analysis in the local
angle domain using local exponential beamlets. To get the local angle information, the wave …

相控震源对地震信号信噪比的改善研究

林君, **桐林, 陈祖斌, 张林行 - 地球物理学报, 2006 - dzkx.org
当测区噪声很**, 采用组合震源工作仍然不能满足信噪比要求时, 为进一步提高地震勘探信噪比,
引入能形成定向地震波的相控震源. 针对水**层状介质模型, 对组合震源, 相控震源地震进行了 …