本文从古典电动力学的角度,详细地讨论了轫致辐射和它的逆过程。
This paper discusses in detail bremsstrahlung and its converse process from the viewpoint of classical electrodynamics.
在经典电动力学的框架内,普遍自由选择涉及电磁势规范变换的任意规范条件。
Within the framework of classical electrodynamics (CED) it is common practice to choose freely an arbitrary gauge condition with respect to a gauge transformation of the electromagnetic potentials.
结果表明:用并矢分析与并矢场论可以简洁且严密地证明洛伦兹变换下电动力学的不变量。
This paper shows that dyadic theory is a brief and strict method to prove the invariance of the electrodynamics under Lorentz transformation.
第二章介绍了腔量子电动力学的实验研究与进展,并简单介绍了腔量子电动力学的发展前景。
In the second chapter, we present the experimental and theoretical study of cavity quantum electrodynamics and its recent development.
在经典电动力学的基础上,讨论了辐射阻尼影响下非相对论性带电粒子在均匀磁场中的经典运动。
On the basis of classical electrodynamics, the classical motion of non-relativistic charged particle affected by radiantly damping force in equally magnetic field was discussed in the peper.
所有这些都基于电动力学,是以太论的前提。
All this was based on classical electrodynamics, assuming an ether theory.
后来马斯登提出了这个模型,就像你们通过8。02的考试一样2,你们学过了静电学和电动力学,你也能做这些分析。
So, Marsden came up with the model, and as you go through 8.02 and you understand electrostatics and electrodynamics, you'll be able to do this analysis.
最可能的是量子电动力学(QED)是正确的,但是在他们所描述的复杂的计算过程中有所疏忽。
The most likely is that QED is correct, but has been misapplied in what he describes as a "very difficult calculation".
这项发现促使科学家重新思考他们如何应用量子电动力学(QED)理论或者理论本身需要来一次重大的修正。
The finding could mean that physicists need to rethink how they apply the theory of quantum electrodynamics (QED) - or even that the theory itself needs a major overhaul.
把这个测量值代入一个复杂的量子电动力学(QED)计算公式然后得到质子的半径。
This is then fed into a complicated QED calculation to obtain the radius of the proton.
最后一种可能,也是最剌激的解释,依据富伦的说法,量子电动力学(QED)存在一些错误。
The least likely – but most exciting explanation – according to Flowers is that there is something wrong with QED.
无论是以前成百上千的计算的基础是错误的,亦或是量子电动力学理论本身的问题。
Either the previously accepted measures upon which hundreds of calculations have been based are wrong, or there is a problem with the theory of quantum electrodynamics itself.
量子电动力学(QED)已经在一个脆弱的数学基础上待了太久,它已经在预测实验结果上取得了巨大的成功。
While QED rests on a weak mathematical foundation, it has been extremely successful in predicting the outcome of experiments.
可以通过纳米结构电路(如接近绝对零度的超导铝)得到更强大的相互作用(电路量子电动力学,CircuitQED)。
A much stronger interaction can be obtained with nano-structured circuits in which metals like aluminum become superconducting at temperatures just above absolute zero (circuit QED).
量子电动力学惊人的成功引起了这一问题。
The incredible success of quantum electrodynamics raises the question.
涵盖的主题包括:在波动光学基本电动力学,极化,干扰,波导,菲涅耳和夫琅和费衍射,成像,分辨率,空间带宽产品。
Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product.
量子电动力学是规范的量子场理论,我们在上面已经讨论了这种理论框架中的一些过程。
Quantum electrodynamics, some processes in which we have discussed above, is the prototype quantum field theory.
笔者在教学理论的指导下,研究和制作了《电动力学》课程多媒体课件。
We studied and manufactured the Multimedia Courseware of Electrodynamics Course under the direction of educational theory.
根据《电动力学》课程的特点,从教学观念,教学方法,教学内容等各方面进行了分析。
According to the curricular characteristics in Classical Electrodynamics, It's proceeded the analysis from the teaching thought, teaching method, teaching content etc.
上述两个基本电动力学性质使超导电性具有无比的重要性。
These two basic electrodynamic properties give superconductivity its unique interest.
上述两个基本电动力学性质使超导电性具有无比的重要性。
These two basic electrodynamic properties give superconductivity its unique interest .
整个方案都基于现有的腔量子电动力学技术,因此该方案是可行性的。
The scheme is in the range of present technology of cavity quantum electrodynamics, thus it is feasible.
基于压电学和伪刚体模型法,建立了上述快反镜的机电动力学模型;
Based on the piezoelectricity theory and PRBM, the electromechanical dynamic model of the FSM is built.
其结论此方法与电动力学中建立矢量场并引入矢量磁位的方法所得结果相吻合。
The result tallies with that obtained by way of setting up vector field and leading into vector magnetic potential in electrodynamics.
这个特定的长度也是对经典电动力学适用范围的一个粗略估计。
This specific length can be regarded as a rough evaluation of applicable range of classical electrodynamics.
首先从机电动力学出发,描述了机电弹性系统模型并以现代控制理论为基础,阐述了机电振动产生的机理。
Firstly, the flexibility model of main drive system of rolling mill is described. The mechanism of electromechanical vibration is set forth based on modern control theory.
建立了一个完整的计算机模型,详细描述了相互作用电路的放电动力学过程。
A comprehensive computer model describing the discharge kinetics in interactive circuit was established in the paper.
在广义协变的伦敦方程基础上讨论了超导体的电动力学特性,并由此建立起超导体的电磁波动方程。
Based on the generalized London theory, this paper discusses the electrodynamics of superconductor, and further establishes the corresponding electromagnetic wave equation.
引入PID控制算法,运用了MATLAB作为仿真工具,分别完成了粗精跟踪瞄准系统的机电动力学仿真。
And the electromechanical simulation of coarse and fine tracking aiming system is done respectively which take the PID as algorithm for control, and MATLAB as tool for simulation.
引入PID控制算法,运用了MATLAB作为仿真工具,分别完成了粗精跟踪瞄准系统的机电动力学仿真。
And the electromechanical simulation of coarse and fine tracking aiming system is done respectively which take the PID as algorithm for control, and MATLAB as tool for simulation.
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