In this paper,a optimal finite difference scheme based on the optimal FIR method is discussed,with which the ideal differential operator is approximated in the frequency or spetial domain.
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- 文中討論了一種基于最優(yōu)有限沖激濾波器設計方法的最優(yōu)差分格式,從頻率空間或者波數空間中實(shí)現對理想偏微分算子的逼近,構造一種新的具有低數值色散關(guān)系的最優(yōu)時(shí)域有限差分方法。
