funded by the National Basic Research Program of China(973 Program)(No.2011 CB201002);the National Natural Science Foundation of China(No.41374117);the great and special projects(No.2011ZX05003-003,2011ZX05005-005-008 HZ,and 2011ZX05006-002)
Angle-domain common-image gathers(ADCIGs) are the basic data in migration velocity analysis(MVA) and amplitude variation with angle(AVA) analysis. We propose a common-angle gather-generating scheme using Kirchho...