【摘要】 地震资料的信噪比及分辩率是地震资料处理中的最基本问题。提高地震资料信噪比的关键技术环节为:1压制噪声,突出有效信号;2力求实现同相叠加;3处理好分辨率与信噪比的关系。针对上述关键技术环节,文中从噪声分类、干扰波压制、噪声衰减、同相叠加等方面论述了提高信噪比处理中的几项关键技术,比较了每种去噪方法的优缺点及适用条件,对部分方法在使用中的参数选择做了描述。最后,通过实例说明,针对不同类型的噪声,应采用不同的去噪方法更多还原

【Abstract】 The S/N ratio and resolution of seismic data are most basic issues of seismic data processing.The key techniques of improving S/N ratio of seismic data are follows:①suppressing noise and highlighting useful signal;②making efforts to fulfill in-phase stack;③better handling the relation between resolution and S/N ratio.In view of above-mentioned key techniques,the paper expounded some key techniques of improving S/N ratio processing in following aspects:arranging noises under categories,interference suppression,noise attenuation and in-phase stack etc,compared advantages and disadvantages and adaptive conditions of different noise-eliminated methods and describe the selection of used parameters in part of methods.Finally,it is shown by the cases that it should use different noise-eliminate methods when the noises are different.更多还原