频率—波数域面波衰减

【摘要】 在陆上反射波法地震勘探中,面波是一种常见的规则干扰。它具有视速度低,频率低,振动幅度强,衰减慢等特点。在资料处理过程中,通常用滤波的方法来压制它。本文介绍了普通F-K滤波方法的原理,分析了它的不足,提出了在频率波数域内用镶边的方法来设计二维滤波器的方法。该方法具有运算结构简单,实用性强的特点。通过对实际资料的处理,取得了令人满意的效果。更多还原

【Abstract】 In on land reflection method seismic survey,the surface wave is one kind of common rule disturbance.It has regards the speed lowly,the frequency low,the vibration scope is strong,weakens and so on the characteristic slowly.In the data processing process,passes the commonly used filter the method to suppress it.This article introduced the ordinary F-K filter method principle,has analyzed its insufficiency,proposed wave number domain in with borders the law in the frequency to design the two-dimensional filter the method.This method has the operation structure to be simple,usable strong characteristic.Through to actual material processing,has obtained the satisfying effect.更多还原