此外，本文对傅里叶有限差分算子作了必要的优化。
In addition, Fourier finite difference operator is optimized desirably.
显然，差分算子及其逆算子是阶乘幂多项式的方便工具。
Clearly, the difference operator or sum operator is the convenient tool for the polynomial of factorial powers.
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 paper proposes a new approach based on difference operator and region-growing to automatically recognize cell image.
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)。
In comparison with the differential operator and its inverse - integral operator, the difference operator and its inverse (sum operator) are discussed in this paper.
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。
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.
由此，可以根据这些性质建立类似一般性的差分算子的形态差分算子来进行边缘检测。
This paper introduces the double-structure element edge detection algorithm base on morphology edge. This algorithm provides a new morphological operator to detect single pixel width edge in an image.
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。
This method is based on the use of an "equivalent element medium" and the finite difference operator for an unsymmetrical star in anisotropic media.
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.
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。
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.
为了在继承拉普拉斯算子高实时性的前提下提高图像分割质量，设计了一个可与拉普拉斯算子差分计算同步进行滤波工作的空间滤波器。
In order to improve the quality of Laplace operator image segmentation at a high real time capability this paper presented a synchronization dimensional structure filter for Laplace operator.
摘要通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
该方法对差分演化算法的操作算子进行改进，解决了差分演化算法生成离散型测试数据的问题。
This method ameliorated the operators of DE algorithm to avoid the discrete test data generation based on DE algorithm.
通过改进傅立叶有限差分的延拓算子，补偿了几何扩散损失引起的振幅误差。
We improved FFD extrapolation operator to compensate the amplitude difference generated by geometry diffusion loss.
通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
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