The optimum distribution, which could let the EM wave focus inside the Fresnel zone, is given as well.
分析比较不同发射口面分布下的电磁波的传播规律，得出满足聚焦条件的一种口面分布。
The authors have discussed propagation character and pseudo-impulse of EM wave in the lossy and dielectric media.
文章讨论了电磁波在电介性介质和导电介质中的传播特征和伪脉冲响应。
Thus the system of em wave and waveguide can be regarded as an open system, with the em wave and the waveguide having separate frames of reference.
因此，微波和锥形波导容器可以被视为一个非密闭的系统，且微波和锥形波导容器有不同的参照系。
The boundary between the two areas acts as a wall, capable of reflecting a guided EM wave on the graphene much like one would in a three dimensional space.
两个区域的边界就像是一堵墙，能反射被引导的电磁波；这和三维空间中的墙是类似的。
To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.
为模拟电磁波在自由空间的传输状态，研制了用于生物医学工程研究的大型专用微波暗室。
And besides, the paper describes the collisional absorption of EM waves in time-varying switched plasmas. And the reflection coefficients of EM wave are computed.
同时，给出了时变等离子体对入射电磁波的碰撞衰减并计算了时变等离子体对电磁波的反射系数。
Synthetic Aperture Radar (SAR), as a kind of active remote sensor, is a system that can scan and image earth surface object in a high resolution using its EM wave.
合成孔径雷达（SAR）作为主动式遥感器，是一种利用雷达本身发射的电磁波进行高分辨率成像的系统。
For different plasma-density profiles, the effects of the frequency of EM wave, collisional frequency and plasma density on the attenuation of electromagnetic wave were discussed.
给出了等离子体电子密度线性分布和指数分布时，雷达电磁波的频率、电子碰撞频率、等离子体密度对电磁波衰减的影响。
Analytical expressions of coupling frequencies of Raman free-electron lasers are deduced based on the physical image of the coupling between negative-energy space-charge wave and EM wave.
从负能空间电荷波与电磁波耦合的物理图像出发推导了喇曼散射模式自由电子激光器耦合频率的解析表达式。
The problems of EM energy absorption of human body irradiated by plane wave are discussed by using the Finite-Difference Time-Domain (FD-TD) method.
本文讨论了用时域有限差分法计算在平面电磁波照射下人体对电磁能量的吸收问题。
This paper presents a full wave analysis of electromagnetic (EM)field distribution inside a dielectric prolate spheroidal human head model.
文中给出一长椭球介质人头模型中的电磁场全波解。
A basic scheme for detecting subsurface targets with em pulse of nanoseconds and an especially developed travelling-wave antenna of high quality are described.
本文描述了纳秒电磁脉冲在探测地下目标中的基本方案；研制了一种高质量行波天线。
Thus an electromagnetic (EM) wave, travelling at the speed of light has a certain momentum which it will transfer to a reflector, resulting in a tiny force.
加速度的方向跟作用力的方向相同。因此以光速运动的电磁波EM，有一定动能作用于一个反射器，从而产生一个微小的力。
In this paper, the absorption of circularly polarized and the X-mode EM-wave by inhomogeneous magnetized plasmas is discussed, and the attenuations are calculated under different conditions.
本文讨论了不均匀磁化等离子体片对圆极化电磁波、异常模电磁波的吸收，计算了不同条件下衰减率。
The problems for calculating em energy absorption by lossy dielectric scatterer irradiated by plane wave are discussed.
本文论述了用时域有限差分法计算平面电磁波照射下有耗介质中电磁能量的吸收问题。
The problems for calculating em energy absorption by lossy dielectric scatterer irradiated by plane wave are discussed.
本文论述了用时域有限差分法计算平面电磁波照射下有耗介质中电磁能量的吸收问题。
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