finite-difference operators是什么意思

网络释义

用法例句

In order to decrease the numerical dispersion of conventional finite-difference operators,we present high precision finite-difference operators of qP wave equation in frequency–space domain for seismic wavefield numerical simulation in VTI media,and obtain the optimal coe.

为了克服常规有限差分算子的数值频散,本文针对VTI介质地震波数值模拟问题,构造了频率-空间域qP波波动方程高精度有限差分优化算子,根据最优化理论中高斯-牛顿法确定了高精度有限差分算子的优化系数。

Weighted mean finite-difference operator of qP wave equation in frequency-space domain for TTI medium;

TTI介质qP波方程频率—空间域加权平均有限差分算子