采用口径场法对具有高斯幅度分布的圆口径天线辐射近场进行了分析。
The near field properties of circular aperture antennas with Gaussian amplitude distribution are analyzed by the aperture field integration method in this paper.
利用时域有限差分（FDTD）法分析了耳机引线对手机天线辐射近场的影响。
The near-zone field of the handset with an earphone is calculated by the finite -difference time-domain (FDTD) method.
传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。
The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.
电偶极辐射。辐射场，近场。辐射功率。实例：圆周运动之电荷。
Electric Dipole Radiation. The Radiation Field, the Near Fields. Radiated Power. Example: Charge in Circular Motion.
文中主要阐述了一种测量印刷电路板近场电磁辐射的新方法，讨论了此种方法的基本工作原理。
A new method of measurement on near field electromagnetic radiation of printed circuit boards is described with the basic principle of its operation discussed.
本文讨论了用时域有限差分法计算电磁辐射系统的近场问题。
The near fields of electromagnetic radiation systems are calculated by using the Finite-Difference Time-Domain (FD-TD) method.
利用波数积分方法仿真计算了该模型在自由场条件下的近程声场，并分析了近场辐射噪声的基本规律。
The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes.
为了解决近场场强的测量，作者在对近场辐射测量理论分析基础上，研制了一种近场辐射测量装置。
Based on the theoretical analysis of the near field radiation measurement, we designed a device for measuring its strength.
用时域有限差分法（FDTD）的一种外推法研究了单极天线手机近场辐射及屏蔽。
This paper studies the EM Radiation and shield of monopole handset with the extrapolation which is suitable for the Finite-Difference Time-Domain(FDTD).
直接接触辐射组出现的副作用少于近场辐射组。
The side effect was less in direct contact radiation group than in near-field radiation group.
弦变线电流源之辐射电磁场强及功率密度在近场至远场球面上之变化。
The Variation of Radiated EM Intensity and Power Density on Spheres in Near and Far Field from Array of Time Harmonic Currents.
为了提高脊波导结构的超辐射二极管（SLD）与单模光纤的耦合功率，研究了有源区与脊之间的残留层和上光限制层的厚度对SLD输出功率和近场光斑的影响。
With the aim of achieving high coupling power of RWG SLDs into SMFs, the structure dependences of the output power and the near field pattern are investigated.
为了降低手机在人体附近区域的近场辐射，保护人体健康安全，文中还对如何控制和降低SAR进行了实际的研究。
In order to decrease the near-field radiation of mobile phone and keep people 'health from the radiation, some investigations about how to control and decrease SAR are made.
用FDTD研究了近地面天线的模拟计算问题，给出了天线的近场辐射性能。
The near field radiation of the antenna was analyzed by using FDTD method.
利用矩形波导模型求出波导模式、放大自发辐射阈值、放大自发辐射的近场及远场光强分布。
Waveguide mode, ASE threold and near-field and far-field distribution are culcalated for a rectangle waveguide model.
利用矩形波导模型求出波导模式、放大自发辐射阈值、放大自发辐射的近场及远场光强分布。
Waveguide mode, ASE threold and near-field and far-field distribution are culcalated for a rectangle waveguide model.
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