(E_{x })_{z}^{t+1} - (E_{x })_{z}^{t} | = | (H_{y })_{z+½}^{t+½} - (H_{y })_{z-½}^{t+½} |
———————— | – ———————————— | |
Δt | ε_{z} Δz |
(H_{y })_{z+½}^{t+½} - (H_{y })_{z+½}^{t-½} | = | (E_{x })_{z+1}^{t} - (E_{x })_{z}^{t} |
———————————— | – ———————— | |
Δt | Δz |
r_{12} = | E_{r} | = | ε_{1}^{½} - ε_{2}^{½} | = | - 1 |
—— | —————— | —— | |||
E | ε_{1}^{½} + ε_{2}^{½} | 3 |
t_{12} = | E_{t} | = | 2 ε_{1}^{½} | = | 2 |
—— | —————— | —— | |||
E | ε_{1}^{½} + ε_{2}^{½} | 3 |