摘要
在处理不同震源数据连接时,通常要用到匹配滤波使得不同震源数据的振幅和相位属性趋于一致。为了避免匹配滤波受动饺正量及覆盖次数的影响,本文提供一种基于炮集平均振幅谱的方法获取子波,进而得到匹配滤波算子。由于炮集的覆盖次数较高,并且炮集匹配可以避开校正量的影响,所以匹配滤波算子具有较好的适应性。实际资抖处理表明,此法能很好地解决炸药震源和可控震源数据之间的相位和振幅之间的差异。
During handling the link of data in different sources,the matched filtering is generally used to make the amplitudes and phases of data in different sources tend towards consistent. In order to avoid traditional matched filtering be affected by normal moveout and folds, the paper presented a method that get wavelet on the basis of the approach of average amplitude spectrum on shot gather and further the matched filtering operator. Since the higher folds of shot gather and shot gather match can avoid the influence of normal moveout,the matched filtering operator has good adaptability. The practical data showed that the approach can better solve the difference of phases and amplitudes between the powder source and vibroseis.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2007年第B08期136-139,共4页
Oil Geophysical Prospecting
关键词
匹配滤波
炸药震源
可控震源
子波
平均振幅谱
匹配算子
matched filtering, powder source, vibroseis wavelet, average amplitude spectrum, matched operator
