摘要近地表速度建模是关系到速度建模质量, 静校正精度及深层成像的关键技术.
由于地表条件的复杂, 近地表速度估计是一个困难的问题. 目前通常使用走时反演获取近地表 …

针对近地表物质非均质极强, 各向异性明显及地形复杂等特点, 系统阐述和讨论了近地表折射和
反射法的国内外研究与应用进展, 认为: ① 综合利用纵, 横波的优势, 开展多波多分量联合勘探对 …

We have developed a multisource full-waveform inversion algorithm using a dynamic phase
encoding strategy with dualrandomization—both the position and polarity of simultaneous …

A recently developed time-domain multiscale waveform tomography (MWT) method is
applied to synthetic and field marine data. Although the MWT method was already applied to …

速度是反映地下构造和岩石物性的一个重要参数. 近地表速度的精度直接影响勘探区域的地震
资料静校正, 速度分析以及最终成像的效果. 目前常用的近地表建模方法和技术多基于高频近似 …

To obtain subsurface information from onshore seismic exploration data using full-waveform
inversion (FWI) based on the acoustic wave equation, elastic waves, such as ground roll and …

According to the strong heterogeneity, obvious anisotropy and complex terrain features of
near-surface material, this paper systematically expounds and discusses the research and …

Near-surface velocity modeling is the key to the quality of velocity modeling, precision of
statics and deep imaging. Because of the complex surface conditions, near-surface velocity …

Seismic velocity is a critical factor in reflecting underground structure and lithology. The
accuracy of near-surface velocity directly influences the results of static correction, velocity …

Refraction-traveltime tomography is the most common approach and widely used for
estimating velocity models with rugged topography and strongly variant near-surface …