查询词典 invariance

This is exactly the statement of renormalization invariance that leads to Callan-Symanzik equations.

这也本不是它胜任的，试图在手征微扰论框架内给出QCD的基本谱的工作，我想可能太唯象了

The optical image encryption with rotating invariance based on joint transform correlator is studied.

其次，本文开展了基于联合变换的旋转不变光学图象加密的研究并作了计算机模拟分析。

The method of image translation, rotation invariance with the advantages of scale transformation on the proportion of the characteristics of success.

该方法对图像平移、旋转具有不变性的优点，对尺度变换有成比例特点。

And it gives a new way for recognizing the transparent or semitransparent 3-D objects with some scale invariance.

这为透明或半透明三维物体进行小尺度不变性识别提供了一个新的方法。

For a new kind of linear chaotic operator, one class of nonwande-ring operators (invertible and bounded linear nonwandering operators) are studied, and their invariance under small perturbation in finite dimensional separable Banach Space is proved.

对于一种新型的线性混沌算子―非游荡算子，研究Banach空间上的一类特殊非游荡算子―可逆线性有界非游荡算子，证明它的小扰动下的不变性。

Based on the stacking of data matrix, real-processing of signal subspace, complex shift invariance equation and joint eigenvalue estimation, an algorithm is presented to solve this problem and handle the estimation jointly.

基于数据矩阵的重新排列、信号子空间的实数化处理、复数移不变方程以及联合特征值估计，推导出联合估计参数的ESPRIT类算法，该算法将参数估计问题转化为3个具有实特征值的实数矩阵的联合特征值估计问题。

This article argues that full-parallel algorithms of traditional sigmoidal neural networks based on average fire rate which have excluded useful time operation seem improper for the invariance.

郭雷(西北工业大学自动控制系，西安 710072)本文表明传统的基于脉冲平均点火率的人工神经网的全并行计算是不妥的，因为它不能进行时间操作。

The algebraic and geometric invariance of singular value vector is firstly given,and then singular value vector compressed is extracted as the image feature,then RBF neural network is used to training and recognition.

首先说明了彩色图像的奇异值向量具有代数和几何不变性，再将降维的奇异值向量作为图像的特征，然后应用RBF神经网络进行训练和识别。

In this paper,a review on the recent studies of the spectra of complex networks has been presented.First,we introduce relations between the spectral density and the structure of the three important network models and the applications in the centrality and bipartivity.Next,we describe the scaling invariance property of the spectral series and ...

本文总结了近年来在网络特征谱方面的研究进展，首先介绍了3类重要网络模型邻接矩阵的特征谱密度和网络结构的关系及其在网络中心性和二分性中的应用，接着介绍了谱序列中存在的标度不变性和结构涌现，然后介绍了网络Laplacian矩阵的特征谱与网络同步之间的关系以及在分析网络社团结构中的应用，最后指出了进一步研究的方向。

By using integral periodogram to estimate the spectral functions of a stationary time series, the invariance principle for the error process has been demonstrated either for Gaussian or non-Gaussian series.

用积分周期图估计平稳时间序列的谱函数，不论是高斯序列还是非高斯序列，其误差过程的不变原理都已被证明￣（［1］，［3］），许重光￣［5］采用自迥归谱估计的积分估计谱函数也证明了误差过程的不变原理成立。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐