对称变换

高阶微商约束系统的对称变换

The Symmetry transformation of Constrained System with high - order derivatives

量子力学中对称变换操作及对称变换算符

Symmetry Transformation Operations and Symmetry Transformation Operators in Quantum Mechanics

对称变换在包装CAD中的应用

Application of Symmetrical Transformation in Package CAD

在射影空间Pn中不存在度量概念，不能像欧氏空间En那样用度量概念来定义对称变换.借助于射影空间Pn中的无穷远点、调和分割和射影交换，给出了。

There exists no metric conception in projective space Pn . Therefore , symmetric transformation can not be defined by metric conception in Euclidean space En .

引进八元数，用以表示Maxwell方程组，并导出其对称变换和推广形式。

The eight - element number is introduced in this paper , it is used to express Maxwell Equations and it 's symmetry transformations , then extend Maxwell Equations to three new forms .

本文从对称变换保持系统的动力学方程（以及对易关系）不变出发，推导出量子场论中的连续对称变换所产生的守恒律，而不借助于拉格朗日体制的Noether定理。

We shall show that continuous symmetery transformation in quantum field theory , which leave the equation of motion invariant , will generate conservation laws without use Noether theorem of Lagrangian formalism .

我们在超主手征场模型中找到了一种新的对称变换&C变换，发现在这种变换下体系具有一个与没有中心项的Virasoro代数相关的无穷维李代数。

This paper shows a new symmetric transformation-C transformation in super principal chiral model and discover an infinite dimensional Lie algebra related to the Virasoro algebra without central extension .

我们把以前在真空Ernst场中得到的无穷小对称变换推广到带电磁场的Ernst场中，得到了一个更大的无限维对称群，这个群与不带中心项的Virasoro群同构。

We generalize the infinitesimal transformations obtained in the Ernst fields of vacuum previously to the case including electromagnetic fields to form a larger infinite symmetric group which is isomorphic to the Virasoro group without a central term .

超高频偶极子天线对称变换器设计和测试方法

Design and Test Methods of Balun Transformer for Ultra-high Frequency Dipole

利用肤色分割和对称变换实现鲁棒人脸特征定位

Robust facial feature location using skin color segmentation and symmetry transform

基于广义对称变换的人脸检测和面部特征提取

Face Detection and Facial Feature Extraction Based on The Generalized Symmetry Transform

离散对称变换在人脸图像眼睛定位中的应用

Application of discrete symmetry transform in eyes image features location

经典力学系统在约束条件下的对称变换

The symmetry transformations of the classical mechanics system under the constraint conditions

基于对称变换群的快速滤波反投影算法

Fast Filter Back Projection Algorithm Based on Symmetric Transformation Group

对称变换在对称型微结构建模中的应用

Application of Symmetric Transformation to Modeling of Symmetrical Microstructure

地震动衰减关系的全对称变换

Full-symmetrical transformation on attenuation laws of seismic ground motion

空间域和空间频率域中的对称变换

Symmetric transform in spatial domain and spatial frequency domain

对称变换及其在阿达玛变换光谱术中的应用

Symmetric transformation and its application in Hadamard transform spectrometry

改进基于对称变换的眼睛定位算法。

Improved algorithm of eyes location based symmetry transform .

三维模型变换包括平移、旋转、缩放、对称变换和错切等。

Transformations of 3D model include translation , zoom , rotation and so on .

基于方向对称变换的人脸定位方法

Human Face Location Based on Directional Symmetry Transform

多尺度对称变换及其应用于定位人脸特征点

Multi-Scale Symmetry Transform with Application to Location of Feature Points on Human Face Image

基于对称变换的人脸图像眼睛定位方法

Method of eyes location based on symmetry transform

本文应用径向对称变换技术，提出一种基于积分投影和径向对称变换的瞳孔定位方法。

A pupil location method based on integral projection and radial symmetry transform is proposed .

约束系统的对称变换

The symmetry transformations of the constrained system

伴随变换是对欧氏空间上对称变换的进一步推广。

The adjoint transformation is a generalized one of the symmetry transformation in Euclid space .

仿射对称变换与对称性原理

Affine Symmetry Transformation and Symmetry Principle

反对称变换的两个性质

Two properties of the skew transformation

长度关系与对称变换

Length Relation and Symmetrical Transformation

对称变换和守恒律

Symmetry transformations and conservation laws