【摘要】 塔中沙漠地区地表条件复杂,原始资料品质差,必须进行静校正和噪声压制处理。采用沙丘曲线法、交互折射静校正法以及分偏移距地表一致性剩余静校正等技术,较好地解决了静校正问题。然后采用叠前多域去噪剔除面波,去除线性干扰,衰减随机噪声,并综合使用叠后去噪、多项式拟合和径向预测滤波等技术,有效地提高了资料的信噪比。更多还原

【Abstract】 The complicacy of near-surface geology in the center of Tarim Basin leads to poor quality of seismic data. Static correction problem is resolved by adopted methods like sand dune curve, interactive refraction static correction, and offset-division surface-consistent residual static correction. Interference noises like surface waves, linear interference, and random noises are eliminated in multiple domains before stacking. Methods like poststack noise removal, polynomial fitting, and radial predictive deconvolution are also used to further improve the signal to noise ratio.更多还原