Frequency-dependent reflection of elastic wave from thin bed in porous media
Li Hong-Xing1, Tao Chun-Hui2, 3, †, Liu Cai4, Huang Guang-Nan1, Yao Zhen-An1
       

Stack reflection amplitude versus frequency for (a) thick layer and (b) thin bed, and reflection coefficient versus incident angle for (c) thick layer and (d) thin bed.