extension filed是什么意思

用法例句

Using wave field continuation method to remove caustic effects;

利用波场延拓方法消除焦散影响

Wave equation downward and upward continuation filtering;

波动方程正反向延拓滤波

Computing the vertical second derivative and upward continuation of gravity anomaly by spline function method;

用样条函数法求重力异常二阶垂向导数和向上延拓计算

The Fuzzy Extension of Cooperation Game;

一个TU博弈的模糊延拓方法

An extension theory on linear functional;

关于线性泛函的一个延拓定理

Automatically efficient extending algorithm for NURBS curves;

NURBS曲线曲率连续延拓的一种有效算法

The method that extending the probability measure in λ system as a σ algebra probability measure in the same λ system has great value in many important situations,especially in economics.

将定义在一个λ 系上的概率测度延拓为包含该λ 系的一个σ 上的概率测度 ,在许多重要场合 ,特别是在经济学中有着十分重要的意义 关于这种延拓的存在性、唯一性等 ,给测度论提出了一系列新的理论课题 ,本文试图在有限集的情形下对λ 系上概率测度的延拓问题作一些初步探

In order to embed image,s watermark,we first extend the image,s watermark and change them into binary sequence by chaos sequence ,then split load-image into blocks and quantize the sum of gray of pixel in blocks,and finally the watermark components with different quan.

为实现水印图像的叠加,首先将水印图像进行延拓预处理并利用混沌序列调制成二进制序列,然后对载体图像进行块操作,并对块内像素的灰度值求和后进行量化,最后将水印信息按不同量化幅值嵌入图像。

Harmonic analysis method on spatial extend of three-dimensional potential fields is given.

用梭形旋转曲面包围三维有界场源，将位场的地表观测值延拓到场源之外的空间区域。

The earth s surface observation is extended to the region beyond the source with a methodof sphere surrounding three-dimensional finite source.

用球面包围三维有界场源，将位场的地表观测值延拓到场源之外的空间区域。

The vector field prolongation formula of infinitesimal transformation is introduced,and its computation is achieved by means of Mathematica program.

引入无穷小变换中的向量场延拓公式,利用Mathematica程序实现该公式的计算并将计算结果转换为代数表达式,在此基础上给出一个应用实例的Mathematica程序。

The idea of prolongation and its properties are described.

利用群 G的正规子半群 M在 G上定义了一个拟同余关系 <,然后讨论了拟同余关系的扩张和收缩 ,得到了 M的延拓概念及相关性质 。