The atomic fluorescence can be explained perfectly by the classical theories of electric dipole radiation.
原子与激光场相互作用产生的自发辐射可以用经典电偶极辐射理论很好的描述。
Finish Electric Dipole Radiation. Qualitative Aspects of Electric Quadrupole and Magnetic Dipole Radiation.
结束电偶极辐射之讨论。定性解释电四极特性及磁偶极辐射。
It is shown that penetration of magnetic-dipole radiation in the medium of the crab nebula seems to be possible.
指出在蟹状星云介质中磁偶极辐射的穿透似乎是可能的。
Electric Dipole Radiation. The Radiation Field, the Near Fields. Radiated Power. Example: Charge in Circular Motion.
电偶极辐射。辐射场，近场。辐射功率。实例：圆周运动之电荷。
In this paper, we discussed the transition selection rule of electrical dipole radiation in atom physics by the parity theory and angular momentum theory in quantum.
本文利用量子力学的宇称理论和角动量理论，对原子物理学中所熟知的电偶极辐射的跃迁选择定则进行了理论探讨。
The formula of dipole radiation the electromagnetic wave field is deduced by using the dimensional analysis, combined with the pictures of the electric field lines and magnetic field lines.
运用量纲分析的方法，结合电场线和磁感线图象，推导了偶极振子在波场区的辐射公式。
Using radiation pressure and optical dipole forces, atoms that roam in gases at a few hundred meters per second are now routinely slowed down to velocities of a few millimeters per second.
光的电偶极辐射能够使正在空气中以每秒数百米飘逸的原子的速度迅速下降到每秒几毫米。
Finely, the radiation of the electric dipole and magnetic dipole are discussed under the two potential formulation.
最后讨论了电偶极和磁偶极辐射在双矢势下的表达式。
The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging.
实验结果表明，在不同组合和激励条件下，圆弧阵具有声波测井的单极子、偶极子和四极子声源的辐射特征。
This paper studied the atomic dipole amplitude squared squeezing in the system of a three level atom interacting with a single mode radiation vacuum field.
研究了三能级原子与单模辐射真空场相互作用中原子的偶极平方压缩效应。
The radiation of an electric dipole in an infinite anisotropic plasma medium is analyzed. The near field expression is obtained by pursuing the Fourier transform.
分析电偶极子在无限大各向异性媒质中的辐射场，得出了近区场的级数表达式。
The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.
本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。
Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna.
该天线采用平衡微带线作馈线，以印刷振子作为辐射单元，末端采用匹配电路对其输入阻抗进行匹配。
The general formulas of radiation from dipole antenna in a circular waveguide are given by means of dyadic Green's function and field transformation.
本文采用并矢格林函数和场量变换方法，给出了圆形波导中偶极天线辐射的普遍公式。
When the double and array dipoles are put in the conductive media, the formula of radiation field of them have been derived from vector potential equation of single dipole.
利用电偶极子辐射场的矢势导出了阵列偶极子在导电媒质中辐射场的一般形式，所给出的公式不仅适用于近区、感应区，而且还适用于远区。
Recent observations on microwave background radiation and distribution of distant radio galaxies demonstrate that there exists dipole anisotropy in relation to the motion of the Earth.
近年来通过对“微波背景辐射”及遥远射电星系发出的射电波的观测表明，它们存在一与地球运动相关的各向异性。
Sleeve dipole is chosen as antenna array element, because of its omnidirectional radiation and its configuration as antenna array.
天线单元采用套筒偶极子结构，这种结构既能实现全向辐射特性又易于串联组阵。
The cavity field spectrum of a pair of two level atoms coupled by dipole dipole force in a ideal cavity with two mode radiation field is studied.
研究了存在偶极相互作用的两等同原子与双模腔场共振相互作用双光子过程的腔场谱。
The time-domain radiation characteristic of a three V-dipole array has been studied by direct time-domain method. Some valuable results are obtained.
本文利用直接时域法计算了由三单元V形振子组成的直线阵的时域辐射特性，得到了一些有用的结果，为时域天线的进一步研究提供参考。
The time-domain radiation characteristic of a three V-dipole array has been studied by direct time-domain method. Some valuable results are obtained.
本文利用直接时域法计算了由三单元V形振子组成的直线阵的时域辐射特性，得到了一些有用的结果，为时域天线的进一步研究提供参考。
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