本文利用路-阵方法分析了对数周期偶极天线。
A log periodic dipole antenna is analyzed by using circuit array approach.
当偶极相互作用变得很强时，这些环将会消失。
While the hysteresis loop closes as the dipolar interaction is quite strong.
禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁。
Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
偶极谐振子和可以用积分后的光子吸收截面来表示。
The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
模式中引入了代表热带低频偶极型对流的异常强迫。
Anomalous forcing is introduced into the model, representing the tropical low-frequency dipole convective pattern.
偶极，四极。方位角对称。静磁，带电量守恒及磁力。
Dipoles, Quadrupoles. Azimuthal Symmetry. Magnetostatics, Charge Conservation and Magnetic Force.
大脑初级体感皮质反应由等电流偶极(ECD)评价。
The brain primary somatosensory responses were evaluated by equivalent current dipoles (ECDs).
最后讨论了电偶极和磁偶极辐射在双矢势下的表达式。
Finely, the radiation of the electric dipole and magnetic dipole are discussed under the two potential formulation.
还给出了偶极层电容和电极问射频耦合电容半经验公式。
This paper also presented a semiempirical relationship of dipolar layer capacitance and coupling capacitance.
有关体系的无辐射能量转移和偶极弛豫机制将进一步探讨。
The mechanisms for non-radiative energy transfer and the dipolar relaxation will be further studied in detail.
电极效应在用偶极-偶极排列时是经常遇到的一种干扰因素。
Electrode effects, which are always a hindrance when the Dipole-Dipole array is used.
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。
Finish Electric Dipole Radiation. Qualitative Aspects of Electric Quadrupole and Magnetic Dipole Radiation.
粉尘粒子的偶极效应使粒子凝结成具有链式结构的粉尘集合体。
The dipole effect of the plarized dust particles makes the particles form a dust collective that has chain structure.
本文讨论了高激发核中的同位旋标量表面巨共振和偶极巨共振。
The isoscalar giant surface resonance and giant dipole resonance in highly excited nuclei are discussed.
研究结果表明：原子间偶极-偶极相互作用的增强，引起场熵减少。
The result indicates that the increase of the coupling leads to the decrease of the field entropy.
介绍了一种由折叠臂偶极天线和并联介质块组成的小型化超宽带天线。
A kind of ultra wideband (UWB) antenna, which consists of an arm-folded dipole antenna and a dielectric block, is proposed.
研究了与关联双模压缩真空场作用的级联三能级原子的偶极压缩效应。
The dipole squeezing effects of a three level cascade atom interacting with a correlated two-mode squeezed vacuum field are investigated.
对室温下染料单分子进行了偶极取向和偶极再取向动力学的实验研究。
We have studied experimentally the dipole orientation and reorientation dynamics of single dye molecules at room temperature.
阐述了利用正交偶极声波测井资料估算地层应力场的方法及应用实例。
Described are an effective method and practical applications for determining the formation stress field using borehole cross-dipole acoustic logging data.
以很多小段赫芝偶极之完整电磁场合成一任意线电流之近场与远场电磁场。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
本文采用数值逼近的方法，逐段用多项式表示偶极—偶极排列的瞬变电场。
By use of numerical approximation method, the paper USES the polynomial to approach segmentally the transient electric field from dipole dipole array.
研究了两个二能级原子与真空辐射场相互作用中原子的偶极平方压缩效应。
In this paper dipole amplitude-squared squeezing of two two-level atoms with vacuum filed is studied.
若我们将偶极释放到自由空间中，比如说放到电场里，他们会自动排序按同一方向。
If we put a dipole that has the freedom to move, we put that dipole in an electric field, it will align itself with the field lines.
文中推导出单轴各向异性媒质半空间上方垂直磁偶极源电磁场的精确解析表达式。
We derive an accurate and analytical expression for electromagnetic fields of a vertical magnetic dipole over an anisotropic uniaxial medium half-space.
研究了双模真空场与两个耦合二能级原子相互作用系统的双原子偶极振幅平方压缩。
The two-atom dipole amplitude-squared squeezing in a system of a two-mode vacuum field interacting with two coupled atoms was studied.
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。
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。
The general formulas of radiation from dipole antenna in a circular waveguide are given by means of dyadic Green's function and field transformation.
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