high order staggered-grid finite difference 交错网格高阶有限差分
High-order staggered-grid finite difference scheme 高阶交错网格有限差分法
Highly precise solutions both in time and in space can be reached by solving wave equation with high order finite difference scheme of staggered grid under the condition of stability.
用交错网格的高阶有限差分方法解波动方程，在满足稳定性要求时，可获得时间和空间都是高阶精度的结果。
The results show that the staggered-grid high-order finite-difference method can satisfy the demands of engineering with high accuracy and rapid computation.
结果表明：交错网格高阶有限差分波场数值模拟具有较高的精度，计算速度快，基本能满足工程上的需要。
First, constructed high order staggered-grid difference formulas, and discussed the stability and numerical dispersion of staggered grid method.
首先，构建高阶交错网格差分公式，讨论了交错网格法的稳定性与数值频散。
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