偶极子

This met hod is suitable for the magnetic dipole in any direction.

该方法适用于任何方向的磁偶极子源。

This paper chooses a normal mode helical antenna to replace the short dipole antenna to improve efficiency.

本文采用法向模螺旋天线代替以前采用的短偶极子天线以提高效率。

We shall call the whole thing an electric dipole.

我们把这整件东西叫做电的偶极子。

A relatively simple method was presented to generate a dislocation dipole.

首先提出了相对简单的建立位错偶极子的新方法。

We analyse the infection of radiation of the free dipole impressed by the position of source.

同时我们还分析了源点位置不同时，对自由偶极子辐射产生的影响。

Methods By the comprehensive application of the imaging examination, EEG, electrocorticogram, PET-CT and image fusion techniques, the epilepsy focus was precisely located,and the psychologic status was evaluated before and during operation, 35 patients with refractory epilepsy were treated surgically.

综合运用影像学、脑电图、PET-CT、脑功能皮层定位检查和偶极子定位与磁共振融合等方法，对35例难治性癫痫患者进行癫痫灶定位和外科手术治疗，并进行手术前后心理状况评估。

Based on the deduced vector potentials, the expressions of the electric fields are derived. Also the numerical evaluation method of Sommerfeld Integrals appeared in the expressions is discussed.

接着推导出半空间界面附近电偶极子的电场强度的表达式，并讨论表达式中索末菲积分的数值求解方法。

The principles of microstrip balun and printed dipole were analyzed, and the antenna＇s ground plane was extended and shaped to form the reflecting structure.

分析微带巴伦和印制偶极子的工作原理，延伸并成形天线的地平面以得到反射结构。

The step response and impulse response of homogeneous earth half space, marine double half space and four-layer earth models to horizontal electric dipole source were computed in this paper. A concept of transient impulse time was put forward.

本文计算了水平电偶极子源均匀大地半空间，海洋均匀双半空间和海洋四层模型的阶跃响应和冲激响应，提出了瞬变冲激时刻的概念。

The harmonic field of electric dipole source on the uniform earth surface is converted into transient field by inverse Laplace transform,and the Bz/ t transient curve is calculated.The Hz transient curves on the stratified earth surface are obtained from cosine transform calculated by broken line approximation.

由逆拉普拉斯变换将均匀大地面上的电偶极子源谐变电磁场转换为瞬变电磁场，并计算出Bzt瞬态曲线；对分层大地面上的瞬变电磁场，采用折线逼近法计算余弦变换得出Hz瞬态曲线。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐