电磁波
- electromagnetic wave;Hertzian wave;ether wave;Hertz wave
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高频地波雷达(HFSWR)依靠高频垂直极化电磁波沿海洋表面绕射传播的机理,实现对海面舰船目标和低空飞行目标的超视距探测。
High Frequency Surface-Wave Radar ( HFSWR ) utilizes the surface-wave mode of vertical polarization electromagnetic wave propagation over sea water to detect targets of ships and aircrafts at distance beyond the line of sight .
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采用有限元-人工透射边界法求出平面波在无限长圆柱上的散射近场,并与解析解进行比较,进而对几种凹面体电磁波散射近场求解。
A finite element artificial transmitting boundary method is presented for electromagnetic wave scattering from a perfectly conducting circular cylinder and a number of concave objects .
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工作面复杂构造电磁波CT探测研究
Research on Detection of Complex Structures in a Coal Face with Electromagnetic Wave Tomography
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用MATLAB实现电磁波与目标作用的动态可视化
An Approach of Visualization of Interaction between Electromagnetic Wave and Objects by Using MATLAB
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nmAl粒子的电磁波吸收和金属-绝缘体相变
The EM Wave Absorption and Metal-Insulator Transition of A1 Particles of the Nanometer Level
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Co(C)纳米粒子对电磁波的磁损耗能力为氧化物包覆Co纳米粒子的4倍。
The magnetic loss ability of Co ( C ) nanometer particle is three larger times than Co nanometer particle .
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电磁波测井双参数反演的2-D移动网格搜索法
2-D moving grid search method for two parameter inversion of electromagnetic wave logging
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单层和多层有缝金属板电磁波透射的FDTD分析
FDTD analysis of transmission through slits on single and stacked conducting plates
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镍基电磁波屏蔽涂料在EMC中的应用
The Application in EMC of the Ni-based Shielding Coating
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针对上述问题,利用同轴波导模拟GIS腔体结构,并应用有限时域差分法对局部放电辐射的电磁波在波导内传播情况进行仿真。
To solve them , wave-guide cavity configuration is utilized and FDTD method is used to simulate transmission of PD ( partial discharge ) electromagnetic wave in wave-guide .
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报道了用半绝缘GaAs材料研制的光电导偶极天线在飞秒激光脉冲触发下辐射THz电磁波的实验结果。
Experiments of terahertz generation with semi-insulating GaAs photoconductive dipole antenna triggered by femto-second laser pulses are reported .
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基于改进的Newton-Raphson算法的电磁波流动图像重建
Electromagnetic Wave Flow Imaging Reconstruction Based on Improved Newton-Raphson Algorithm
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特别是光电导开关作为辐射天线产生THz电磁波有着广阔的应用价值和重大意义。
Especially PCSS as antennas generating THz electromagnetic radiation have a broad application value and great significance .
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特定电磁波治疗器(TDP)治疗矽肺的尝试
Effect of special electromagnetic therapeutic apparatus in Treating Silicosis
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从电磁场理论出发导出了电磁波斜入射时多层RAM的反射系数公式;
For oblique incidence of electromagnetic wave to multilayer RAM , formulas of reflecting coefficient are derived from the theory of electromagnetic field .
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这种电磁波探测仪主要由现场探测装置和远端测控PDA两部分组成。
The electromagnetic wave detector contains three parts , which is antenna , on-site detection device and remote monitor and control PDA .
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基于电磁波理论的基本原理,从Maxwell方程着手,建立了雷达电磁波在路面结构体系中传播的正演模型。
The forward model of GPR electromagnetic wave propagation in pavement system is developed based on Maxwell Equation in electromagnetic theory .
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用FDTD方法数值模拟了电磁波在双负介质中的传播及电磁散射。
The FDTD method is capable of correctly computing electromagnetic propagation and scattering in DNG . Wave propagation in DNG is simulated by one-dimension FDTD .
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从电磁波传播方程出发,基于时域有限差分法(FDTD)进行离散求解,获得了适合含水量测试的同轴电缆电磁波反射(TDR)系统的FDTD方程。
For the applications of TDR system in measuring water content , FDTD equations were obtained based on the propagation equations of electromagnetic wave .
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本论文简要介绍抗EMI材料吸收电磁波机理,讨论了不同材料的吸收电磁波性能。
The theory of absorbing electromagnetic wave by EMI resistance materials is introduced in this paper , and the absorbing performances of different materials are discussed .
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高导电性能的热塑性导电弹性体是一种防护电磁波干扰(EMI/RFI)的高分子功能复合材料,在电子/微电子工业中的电磁兼容(EMC)领域具有重要应用。
High conductive thermoplastic elastomer composites are important defensive and polymer functional composites in resisting electromagnetic interference and have important applications in electromagnetic compatibility areas of electrical / microelectronics industry .
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利用平面电磁波的上行波场U和下行波场D在反射面上的相位关系特征,可把地震偏移技术中U/D成像理论引入到MT法数据处理中。
Upgoing / downgoing wave image theory in seismic migration can be introduced into magnetotelluric data processing in terms of the phase relation between upgoing and downgoing plane eletromagnetic waves on a reflection interface .
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该文从麦克斯韦(Maxwell)两个旋度方程出发,分析了地质雷达二维TM高频电磁波的特性,运用K。
In this paper , from the two vortices equation of Maxwell equation group , the authors analyze the characteristics of the ground penetrating radar two-dimensional TM electromagnetic wave , apply K.
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文章研究了通讯卫星真空热试验时高功率射频RF的吸收冷却措施及安全策略,即通过RF负载及冷媒,将入射的电磁波能量转化为其它形式的能量(主要是热能)而损耗掉。
This paper introduces the RF absorbing and cooling system , and safety policy , namely by RF load , the energy of incident electromagnetic wave could be turned into other types of energy and dissipated .
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该频散关系即考虑了FDTD法的收敛性和稳定性,也考虑了高频电磁波在Yee氏网格中的传播特点。
Except stability and astringency of FDTD , propagation characteristic of EM wave in Yee 's grid is also taken account in ideal numerical dispersive relation .
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根据Mie理论,计算了降雨率小于12.5mm/h时,降雨融化层对5,10,35,94GHz电磁波的雷达反射率和特征衰减因子的垂直廓线。
Vertical profiles of radar reflectivity and specific attenuation factor are computed at 5,10,35 and 94 GHz using the Mie theory at rain rates below 12.5 mm / h.
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当电磁波输入传输室后,一个小于矩形波导TE(10)模截止频率的行波电磁场被建立起来。
When electromagnetic wave has been fed into the cell , a uniform TEM field is established with a frequency lower than the cutoff frequency of TE_ ( 10 ) mode of rectangular wave guide .
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参考数字变频的思想,由计算机模拟发射线圈电流并产生串行二进制数字代码流,控制开关桥路形成PWM电压,在发射线圈中形成电流信号,产生电磁波。
The method consults the idea of the digital frequency conversion , using computer to generate the digital ' bit-stream ' and control the switch bridge , generates the PWM wave and finally forms the current wave in the transmitting coil .
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本文将基于2D-FDTD(二维时域有限差分法方法)开展路面雷达电磁波传播的正演模拟研究。
So the research of forward simulation is done in this paper based on the 2D-FDTD method .
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为了分析电磁波在分层各向异性介质中的传播特性,从无源区域的Maxwell旋度方程出发研究了非均匀各向异性介质中的特征波。
In order to analyze the electromagnetic wave propagation properties in anisotropic layered media , the characteristic waves are studied in the heterogeneous anisotropic medium on the basis of the Maxwell curl equations in the source free region .