finite difference operator [数] 有限差分算子
optimum finite-difference operator 优化差分算子
Fourier finite difference migration operator Fourier有限差分偏移算子
This paper presents an optimization of centered finite-difference operator based on the principle of constrained cost function, which can reduce the truncation error to minimum.
作者根据约束性代价函数原理提出了能够使得截断误差最小化的中心差分优化算子。
In addition, Fourier finite difference operator is optimized desirably.
此外，本文对傅里叶有限差分算子作了必要的优化。
Fourier finite difference operator can be adopted to ensure good fidelity of seismic wave field in wave field continuation of complicated geology structure, bringing high quality image.
利用傅里叶有限差分算子可保证在复杂构造的波场延拓中，地震波场不失真，成像质量高。此外，本文对傅里叶有限差分算子作了必要的优化。
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