查询词典 operator

In this paper we review some recent progress on the nucleation of zeros and the structure of the nodal sets of the complex-valued solutions of Ginzburg-Landau system for superconductivity and of more general partial differential equations with magnetic Schrodinger operator.

本文考察了近年来对超导的Ginzburg-Landau方程复值解的零点的产生与零点集的结构的研究进展，也考察了含有磁Schrodinger算子的更一般的偏微分方程的相关问题。

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。

This paper deals with the existence of monotone positive solutions to a type of three point boundary value problems of nonlinear second-order differential equations with p-Laplacian operator .

利用锥拉伸与锥压缩不动点定理，研究一类具 p-Laplace算子的二阶微分方程的三点边值问题单调正解的存在性，给出了单调正解存在的充分条件，并确定了解曲线的凹凸性。

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。

Based on the theories of the first two chapters, chapter 5 introduces the theoretical foundation and method of the software design of the license plate recognition system in detail. In this system, a license plate is fixed in a position and cut apart by verge examination based on the differential operator and threshold algorithm. Then outline method and projection method are used as methods of characteristic extracting, lastly neural network is used as a method to recognition the single character.

第五章是在前两章的理论基础上，详细介绍了车牌识别系统软件设计的实现方法和实验结果，应用图像分割的理论对车牌进行边缘检测和提取，利用轮廓和投影的方法提取字符的特征，最后用神经网络的方法对所得字符进行识别。

Keywords: complex partial differential operator;spectrum;wavelet

中文关键词：复偏微分算子；谱；小波

According to the algorithm idea of edge detection of gray scale images,with the aid of differential operator and through convolution,two algorithmsof segmentingcolor images are put forward.

主要根据灰度图像的边缘检测算法思想，借助空域微分算子，通过卷积提出了基于边缘的两种彩色图像分割算法。

A 2×2 matrix differential Lenard operator is extended to a 3×3 oneand the soliton hierarchy with their Lax pairs are deduced easily.

并使孤立子方程谱问题的伴随表示与Lenard算子对有机的连系在一起。

A mathematician went insane and believed that he was the differentiation operator.

一个疯了的数学家认为自己是微分算子。

The validity of staggered grid real value FFT differentiation operator is confirmed by comparing with the analytic Cagniard-De Hoop method in the half space SH problem.

将该方法和Cagniard De Hoop解析法在求解半无限空间地震波动的问题中进行比较，结果表明，新微分法的精度和解析方法的精度相同。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。