forward difference operator : 前向差分算子，向前差分算子 finite difference operator : 有限差分算子 backward difference operator : 向后差分算子 ..
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optimum finite-difference operator 优化差分算子
Fourier finite difference migration operator Fourier有限差分偏移算子
Shift-Operator Finite Difference Time-domain 移位算子时域有限差分
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。
This method is based on the use of an "equivalent element medium" and the finite difference operator for an unsymmetrical star in anisotropic media.
在计算中引用了“等效单元介质”方法，采用各向异性介质中的不对称星形的差分算子计算程序。
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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