在充分调研阵列声波测井分波提取方法的基础上，针对阿特拉斯公司的交叉多极子阵列声波测井（XMACⅡ）提供的单极波形信息，研究纵波时差提......

In conventional slowness-time coherence(STC)method,slowness and time need to be searched at the same time,which limits t......