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 radiation of an electric dipole in an infinite anisotropic plasma medium is analyzed. The near field expression is obtained by pursuing the Fourier transform.
理论分析表明:在相同的基片上,双偶极子型印制天线比普通微带振子天线的带宽宽得多;
The results indicate that bandwidth of the new antenna is larger than that of the normal microstrip dipole fabricated on the same substrate.
基于电磁波在海水中的传播方程,分析了海水中磁偶极子辐射场的分布特性。
The distribution characteristic of the magnetic dipole field is analyzed based on the propagation equations of underwater electromagnet ic wave.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论,采用马蹄涡—振荡压力偶极子格网法计算的。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
提出用偶极子模型法来分析介质体的电磁散射。
This paper presents the dipole model method for the efficient analysis of electromagnetic scattering from the dielectric body.
方法:回顾性总结、分析15例LGS患者的多道多形式脑电图特点,结合影像学资料并用辅助癫癎偶极子定位系统分析。
Methods: The EEG of undergoing multichannel, various types and combined with image data were analyzed in 15 patients with LGS. Epileptiform waves were also analyzed by dipole localization method.
并根据电偶极子在接地导体球壳内的位置分三种情况进行了分析、计算和讨论。
Three situations are analyzed, calculated and discussed according to the electric dipole's positions in the sphere.
本文通过理论分析和软件数值仿真,分析了蝶形结构、折合偶极子结构以及双馈方式实现方向图可重构的可行性。
Through theoretical analysis and numerical simulation, the pattern reconfigurable feasibility of the structures of butterfly, folded dipole and double-feed is analyzed.
根据基本声学理论,分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.
利用地磁场模型资料,计算和分析了公元0 ~ 2000年的地磁场偶极子磁矩和地磁北极位置的长期变化。
With geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic North Pole during the year 0 ~ 2000 a.
分析研究了垂直电偶极子在介质涂敷的理想导电平面上激起的电磁场,获得了场分量的解析表达式。
In this paper, the simple analytical expressions of the electromagnetic field induced by a vertical electric dipole on the perfect conductor coated with a layer of dielectric medium has teen obtained.
针对偶极子天线阵,分析了阵元互耦影响和频率特性及其散射特性。
The research featured compensation for the mutual coupling effect between the array elements, frequency characteristics, and the scatter.
分析表明:在木材的四种极化现象中偶极子取向极化的热效应是介质损耗的主要方面。
The result shows that the heat effect of dipole orientation polarization is the principal aspect of the medium loss in the four kinds of polarization phenomena of timbers.
天线单元主要采用空气微带天线、四偶极子天线,并对这两种天线构成的定向阵列天线进行了分析、仿真和设计制作。
We mainly use air microstrip antenna and four-dipole antenna as the antenna elements. Directional array antenna which is composed of two antennas is analyzed, simulated and designed.
在完成对数据的解编之后,分析并总结在不同地层情况下阵列声波单极子和偶极子的波形特征。
After this we analyzed and summarized monopole and dipole array acoustic waveform data under the different strata.
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 principles of microstrip balun and printed dipole were analyzed, and the antennas ground plane was extended and shaped to form the reflecting structure.
讨论了偶极子在一般外场中的能量及受力问题,并分析了其受力性质。
The force on a dipole and its energy in an external field is discussed, and the properties of the force are analyzed.
结果对视频脑电图的直接人工分析定位率为81 % ,结合临床症状、偶极子定位分析准确率可以达到91 .4 % ,且均可以达到与术中皮层脑电图检查定位一致或基本一致。
Results Epileptogenic zone localization ratio of prolonged VEEG by man analysis only is 81%, and the ratio achieve 91.4% when the analysis was combined with seizure sym…
为对磁悬浮反作用飞轮的剩磁矩(RMM)进行分析及最小化设计,提出一种基于等效磁偶极子模型的剩磁矩计算方法。
To analyze and minimally design the remnant magnetic moment (RMM) for a magnetically suspended reaction flywheel, a method based on the equivalent magnetic dipole model is proposed.
为对磁悬浮反作用飞轮的剩磁矩(RMM)进行分析及最小化设计,提出一种基于等效磁偶极子模型的剩磁矩计算方法。
To analyze and minimally design the remnant magnetic moment (RMM) for a magnetically suspended reaction flywheel, a method based on the equivalent magnetic dipole model is proposed.
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