Reverse Time Migration(RTM) is a high precision imaging method of seismic wavefield at present,but low-frequency noises severely affect its imaging results.Thus
Calcareous sand is a kind of special medium which is composed of calcium carbonate and other difficult soluble carbonate substances. Because of its rich in inne
According to the lithological assemblages and elemental geochemistry of the measured profile,the authors studied the sedimentary and tectonic environment of the