adim
- 网络勘测;阿迪姆

-
In the alternating-direction implicit method ( ADIM ) and the generalized Douglas ( GD ) scheme , the time-domain beam propagation equation is discretized with a truncation error two orders lower than that of conventional finite-difference scheme .
采用交替隐式法(ADIM)和综合道格拉斯(GD)法,离散化时域束传输方程,获得比普通差分格式低二阶的误差。