查询词典 electromagnetic pulse

The good agreement of experimental results with the simulated values shows that D'Alembert's method coupled with the finite-difference time-domain method could be used to study and accurately analyze the pulse circuit from the electromagnetic viewpoint.

仿真和实验结果良好的一致性证明了达朗伯公式行波法结合时域有限差分法可以从电磁场角度研究并精确分析脉冲产生电路。

Pulse electromagnetic field deviser was designed and made by the Department of Electric Machine, Naval University of Engineering.

脉冲电磁场发生器由海军工程大学电机系设计与制造。

We study the field enhancements in the waveguide structures by doped semiconductor material, and analyze their electromagnetic fields for different structures under the plane wave illumination or the short pulse. We design several doped silicon slots cavity and slot chains with large field enhancement, and describe their physical mechanism.

我们研究掺杂半导体波导结构对兆赫波电磁场增益之影响，使用电磁模拟针对不同结构做探讨，并分析连续波和脉冲波之电磁场变化，设计具有强场增益之掺杂半导体的矽狭缝和矽狭缝链之结构，并探讨其物理机制。

The problem of unbalance load on pulse generator is discussed by means of methods of analysis on harmonic electromagnetic moment during stable and transient state.

剖析了不平衡负载及缺相极端情况下，发电机各次稳定和瞬变谐波电磁力矩对转子系统的影响。

The electromagnetic propagation process of a Gaussian pulse through an unmagnetized plasma photonic crystal is investigated.

它具有一定的光子能带结构，一定频率的光不能在晶体中传播，从而产生了光子禁带。

To decrease the size of electromagnetic riveter, the author proposes that pulse capacitor should be replaced with electrolytic capacitor, the existing high voltage ignitron should be replaced with thyristor. The low voltage riveting process has been studied experimentally.

根据国内现有条件提出采用电解电容器代替原有设备的脉冲电容器、以电子开关代替真空接触器，实现电磁铆接设备的小型化；低压铆接实验表明改善线圈的散热性能是低压电磁铆接必须解决的一项关键技术。

The basic principle of a pulse electromagnetic field sensor based on fiber optical sensing was presented in this paper.

本文介绍了基于光纤传感的脉冲磁场传感器的基本原理，提出了脉冲磁场测量系统的设计方案。

Based on the nonlinear dispersion relation of electromagnetic wave in relativistic plasma, the nonlinear controlling equation for linearly polarized mode is obtained using Karpman's method. The modulation instability of intense laser pulse propagating through relativistic plasma is analyzed and the modulation instability growth rate as a function of perturbation wave number for laser beam propagating through relativistic plasma is given.

从相对论等离体中电磁波的非线性色散方程出发，利用Karpman方法获得了线性偏振波模所满足的非线性控制方程，在非线性色散方程和非线性控制方程的基础上对线性偏振激光在相对论等离体中传播的调制不稳定性进行分析，给出了调制不稳定的时间增长率与扰动态波数之间的函数关系。

Then the interference on MSTL by sinusoid electromagnetic wave and gauss pulse are simulated.

本文从场的角度出发，研究了外界电磁辐射对微带线造成的影响。

Pulse power supply ; electromagnetic compatibility ; interference suppression ; tetrode

脉冲电源；电磁兼容性；抗干扰/四极管

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。