论文部分内容阅读
地滚波(面波)在地震记录上表现为一种很强的规则干扰波,具有振幅强、频率低的特点。地滚波在单炮记录的远排列端呈现出双曲型,利用三维锥体滤波技术能够压制地滚波,突出有效信号。将地震数据进行三维锥体滤波去噪后的叠加剖面中地滚波基本被完全压制,而有效信号得到保持,剖面的信噪比明显增强,同相轴的连续性得到提高。应用三维锥体滤波技术,能够做到高分辨率的相对保幅处理,保证地震数据的可靠性。
Ground roll (surface wave) in the seismic records showed a strong regular interference wave, with strong amplitude, low frequency characteristics. The ground roll shows a hyperbolic curve at the far end of the single shot record. Using the three-dimensional cone filtering technique, the ground roll can be suppressed and the effective signal can be highlighted. The ground roll data in the superimposed profile denoised by three-dimensional cone filtering of seismic data are basically suppressed, and the effective signal is maintained. The signal-to-noise ratio of the profile is obviously enhanced and the continuity of the events is enhanced. Application of three-dimensional cone filter technology, to achieve high-resolution relative amplitude processing, to ensure the reliability of seismic data.