Research Article

Numerical Absorbing Boundary Conditions Based on a Damped Wave Equation for Pseudospectral Time-Domain Acoustic Simulations

Figure 4

The reflection coefficient in decibels as a function of the angle and frequency obtained with the numerical PSTD scheme, (7). (a) for and (b) for .
285945.fig.004a
(a)
285945.fig.004b
(b)