(Ex )zt+1 - (Ex )zt | = | (Hy )z+½t+½ - (Hy )z-½t+½ |
———————— | – ———————————— | |
Δt | εz Δz |
(Hy )z+½t+½ - (Hy )z+½t-½ | = | (Ex )z+1t - (Ex )zt |
———————————— | – ———————— | |
Δt | Δz |
r12 = | Er | = | ε1½ - ε2½ | = | - 1 |
—— | —————— | —— | |||
E | ε1½ + ε2½ | 3 |
t12 = | Et | = | 2 ε1½ | = | 2 |
—— | —————— | —— | |||
E | ε1½ + ε2½ | 3 |