文章指出在均匀磁场中带电粒子的量子运动不违反规范不变原理。
It is pointed out that the quantum motion of charged particles in uniform magnetic field does not violate the gauge invariance principle.
而作为光速不变原理的作用物质,相对论是以电磁波的光而对象的。
And as the speed of light, the role of the same principle of relativity is the material object and the electromagnetic wave light.
在物理学方面的不变原理已经超出动力和动态的特性,在我们的理解物质世界的中心。
The invariance principles in physics have transcended both kinetic and dynamic properties and are at the very heart of our understanding of the physical world.
在大多数介绍狭义相对论的文章中,导出洛仑兹变换公式的依据都是相对性原理和光速不变原理。
In this paper, authors present a derivation of the Lorents transformation by invoking the principle of relativity alone, without the principle of invariance of light speed.
多楔轮是目前生产中较难成形的一种旋压皮带轮,本文运用体积不变原理和刚性平移理论提出一种新的工艺方案。
Multi-V pulley spinning is more difficult than other pulley spinning, this paper presents a new process base on the same volume principle and the rigid translation theory.
但其原理通过孔径聚焦光线在一个二维表面是保持不变的。
But the principle of focusing rays through an aperture onto a two-dimensional surface remains the same.
当时的数学可以对付一个一成不变的理想世界——想想几何原理,但没有考虑运动。
The math of the time could deal with a changeless, ideal world - consider the principles of geometry - but not with motion.
评论了仅仅依据光速不变假设和相对性原理推导洛伦兹变换公式的方法。
The derivation methods of Lorentz transformation according to invariance of light speed and principle of relativity are commented.
仅改变曝光时间,保持相机的其它参数不变,建立了曝光标定原理。
The principle of exposure duration calibration is formed by adjusting exposure duration and keeping other parameters of digital color camera.
还进一步建立了当扰动趋于零时,关于这族不变测度的大偏差原理。
Furthermore, we establish a large deviations principle for the family of invariant measures as the perturbations tend to zero.
根据不变嵌入原理来寻找最优策略,给出了多阶段SUE配流模型与算法。
The optimum strategy based on fixed embedding principle is determined and a multi-period SUE assignment model as well as the algorithm is given.
这就是罗勃津斯基原理:在两种商品的世界中,如果价格固定不变,一种生产要素的增长实际上会减少一种商品的产量。
This is the Rybczynski theorem: in a two-good world, the growth of one factor of production actually cuts the output of one good if prices are constant.
通过采用结构不变性原理及PID控制来实现力的逐点跟踪。
The structural invariability principle and PID control were adopted to carry out force tracking from this point to another.
策划价值关联原理的本质就在于在变与不变中建立市场价值系统与消费者需求要素之间的关联。
The essence of marketing consulting is to establish connection between market value system and the consumer demand during the changes and invariable factors.
它是基于图象分割前后矩保持不变的原理,利用图象的灰度级直方图自动地确定多个分割阈值,该算法简单、计算量小。
It is based on the principle that the moment remains unchanged before and after the segmentation. This algorithm features simplicity and less calculation requirement.
通过构造函数及根据不变集原理证明了无病平衡点和地方病平衡点的全局渐近稳定性;
Then the disease-free equilibrium point and endemic equilibrium point were proved with global asymptotic stability by constructing functions and basing on the invariant set principle.
论文从控制系统的结构方面,利用结构不变性原理,针对位置扰动设计专门的前馈补偿控制器,减小位置扰动的影响。
By applying the structure invariant theory in the control strategy, the feedforward-feedback control theory is applied in the control system design to reduce the redundant force.
这些时尚原理保持不变。
同时利用交比不变性原理获取平面靶标上的特征点坐标,完成了结构光平面参数的标定。
At the same time the feature point coordinates on the planar target were achieved with cross ratio invariability theory, then structured light parameters was calibrated.
基于微分方程不变性原理,我们提出了一个简单、系统、严格的自适应反馈控制器来非线性地稳定任何混沌系统。
Based on the invariance principle of differential equations a simple, systematic and rigorous adaptive-feedback controller is proposed to stabilize nonlinearly any chaotic systems.
在此基础上引入不动点原理深入刻划循环不变式的含义,循环不变式可以表示为谓词泛函的最小不动点,并从范畴论的角度解释该过程。
Many loop invariants can be expressed in the form of the fixed point of a predicate universal function while weakest precondition is least fixed point and explained in the view of category theory.
研究表明,物理学中最普遍的坐标变换并不是洛伦兹变换,洛伦兹变换的不变性原理没有普遍意义。
It is shown that the most popular coordinate transformation method is not Lorenz transformation, whose principle of no change has no universal meaning.
权力制衡原理是亘古不变的规律,孟德斯鸠有言:“一切有权力的人都容易滥用权力,这是万古不变的经验。
The principle of balance of power is an invariable rule. Montesquieu ever said:"all the people who have the power are prone to abuse of the power. This is changeless experience."
基于交比不变性原理和一维靶标点共线的特点,提出了一种多视觉传感器全局校准方法。
Based on the invariance of cross-ratio and the collinear property of all points for one dimensional target, a global calibration method of multi-vision sensor system is proposed.
序列不变性是相对论原理的一个反映。
本文通过将李亚普诺夫方法与拉塞尔不变性原理相结合,证明了所设计的控制算法能实现吊车系统的渐近镇定。
Specifically, Lyapunov techniques are fused with LaSalle's Invariance Theorem to prove that the constructed nonlinear controllers achieve asymptotic regulation of the crane system.
无论如何,对所有的滑雪竞技练习方法来说,力学原理总是不变的。
However, the mechanics remain the same for all disciplines of ski racing.
本文在变结构控制理论对外界扰动的不变性原理的基础上,采用变结构控制方法设计了BTT导弹的输出解耦控制律。
Based on the law that the sliding mode of variable structure control is constant to external interference, the thesis designed the output decoupling law of BTT missile.
本文在变结构控制理论对外界扰动的不变性原理的基础上,采用变结构控制方法设计了BTT导弹的输出解耦控制律。
Based on the law that the sliding mode of variable structure control is constant to external interference, the thesis designed the output decoupling law of BTT missile.
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