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。
Clearly, the difference operator or sum operator is the convenient tool for the polynomial of factorial powers.
显然，差分算子及其逆算子是阶乘幂多项式的方便工具。
This paper proposes a new approach based on difference operator and region-growing to automatically recognize cell image.
为了实现血细胞图像的自动识别，提出了一种基于差分算子和区域增长的方法。
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。
In comparison with the differential operator and its inverse - integral operator, the difference operator and its inverse (sum operator) are discussed in this paper.
与微分算子及其逆算子积分算子作比较，讨论了差分算子及其逆算子(和分)。
Based on the skew direction difference operator, the implicit skew difference schemes were constructed, and the boundary condition was unified, to solve the diffusion equation.
采用斜向差分算子，建立斜向隐式差分格式，再结合边界条件，对扩散方程进行求解。
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。
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。
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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