Numerical dispersion relation ... Equation (51) can be solved with respect to ˜ω: ˜ω=2Δtsin−1(Csin(kΔx2)). The relation between the numerical frequency ˜ω and ... ... <看更多>

For more complex media or wave equations the dispersion function D(|k|) may be non-linear, in which case we say the medium exhibits ... ... <看更多>