查询词典 differential operator

Image of the differential operator.

有关图像的微分运算。

Or the the ratio of far field divergence half angles defined by second moment and differential operator.

或以二阶矩和微分算子定义的远场发散角半宽度的比值。

According to the studies for this zero-order differential operator to make an expansion of a function, it can restrain border effect and control Gibbs effect.

并进一步构造了1阶和2阶导算子，对它们的导数矩阵的特性进行了研究，实现了用这样的导算子对微分方程的求解。

Common image segmentation there are many ways,such as the threshold method,regional growth,differential operator,the border tracking law.

常用的图像分割方法有很多种，如阈值法，区域生长法，微分算子法，边界跟踪法等。

For the sake of predicting the detection effect of differential operator s,the frequency features of common operators are analyzed from the view point of frequency domain.

为了预测微分算子边缘提取能达到的效果，从频域角度出发，分析了边缘检测中常用微分算子的频谱特性。

Based on the differential operator method of detecting almost all more sensitive to noise and can not guarantee that they will get straight edge, can not be used for target identification and analysis.

基于微分算子检测的方法几乎都对噪声较为敏感且不能保证得到连续的边缘，无法用于辨识和分析目标。

Next, edge detection using differential operator, edge thinning and connecting are introduced. Model and methods of image segmentation are discussed subsequently.

本文针对图像的灰度和边缘等特征，研究了微分算子边缘检测方法以及边缘细化和连接的算法，给出了图像分割的模型和灰度阈值的简单分割及自动分割方法。

The main research aspects are as following. 1. The zero-order differential operator is constructed, based on the inside interpolation collocation method.

一、在内延拓配点的基础之上，构造了0阶导算子去对函数进行相应的级数展开和插值，证明了它对边缘效应和Gibbs现象的抑制作用。

Base on this principle, differential operator 〓 can be eliminated, further more, SCF to be eliminated, too.

根据此原理可采用类氢AO为基函数，同时可消去微分算符〓而不需要作SCF计算。

The stress dependent character of oxide trap has been a problem in the study of oxide degradation. Using the Proportional Differential Operator method, we extract the trap parameters, and study their stress dependent characteristic change.

新生陷阱的应力相关特性是氧化层退化研究的基础工作，本文利用比例差分的方法提取了陷阱参数，并研究了陷阱参数的应力相关特性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。