In this paper, the equations for calculation of the radiation performances on high efficiency double reflector antenna fed by beam waveguide are derived.
本文导出了地面站常用的改进型波束波导馈电高效率双镜天线的辐射特性的计算式。
Based on Gaussian beam theory and the antenna parameters, the size of the reflectors of the beam waveguide, the distance between them and their relative locations can be determined.
以高斯波束理论为基础，根据天线基本参数要求，分析确定出波束波导系统中各反射面尺寸、反射面彼此间距及各部件相对位置。
The high-current electron beam in the over-mode waveguide had driven the many kinds of microwave modes, it is very significant to study the high power microwave by measuring the microwave mode.
强流电子束在过模波导中可能激励多种微波模式，测量微波模式对研究高功率微波产生的机理很有意义。
The finite difference beam propagation method(FD-BPM) can simulate the performance of the waveguide accurately.
有限差分束传播法则能够准确地模拟波导的性能。
The relations between pump absorption losses and the waveguide cavity configuration parameters are calculated based on the Gaussian beam transformation in the plane-parallel resonator.
通过高斯光束在乎面平行腔中往返变换，计算了光泵远红外波导激光器中泵浦吸收、损耗与波导谐振腔结构参数的关系。
This thesis analyse the linear theory of Gyro-TWT with spiral corrugated waveguide and two-beam coaxial gyrotron.
本文主要运用线性理论分析了内开槽螺纹波导回旋管与双电子注同轴腔回旋管。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
The paper studies non-iterative bidirectional beam propagation method based on scattering operators which is used in numerical analysis of optical waveguide with abrupt longitudinal refractive index.
本文主要研究了基于散射算子的非迭代双向光束传输法数值分析纵向折射率有突变光波导的稳定性和精度等问题。
The paper first studies beam propagation method which is used in numerical analysis of one-way process of an optical waveguide with continuous longitudinal refractive index.
本文首先研究了光束传输法数值分析纵向折射率连续变化光波导的单向光波传输过程。
The flow sensor has a structure of cantilever beam with ridge waveguide.
流量传感器具有带脊型波导的悬臂梁结构。
A discrete model of Guassian beam is established based on Fourier Optics principles. The transfer efficiency of dual bending waveguide is obtained by using this model.
运用傅立叶光学理论建立高斯光束的离散化模型，并用这个模型计算了双弯曲金属波导的传输效率。
The coupled equation of two-wave mixing and expressions for weak beam amplification in a single mode waveguide are deduced by application of coupled wave theory.
本文利用耦合波理论分析推导了单模平面光波导中两波混合的耦合波方程和弱相干光放大率的表示式。
Using different refractive index distributions, the phenomena of plasma waveguide and the application of a ring shaped beam in the manipulation of particles are discussed, separately.
针对等离子体对激光的导引和离焦现象，以及应用激光操纵粒子的空心环状光束产生进行了模型化分析和讨论。
The optical beam transfer matrix method is used to analyze the transfer manners and the distribution of waveguide modal field in detail.
采用光束传输矩阵法详尽地分析了光束在波导中的传输方式，模场分布。
The pump beam from the diode laser array was launched into the planar waveguide from the end facet at a particular angle.
抽运源经过慢轴缩束快轴聚焦后，以特定的角度倾斜抽运平面波导介质。
Using a tapered waveguide Raman cell, the interaction region between the pumping laser beam and Raman media is increased.
采用斜波导的喇曼氢气池，使泵浦激光束在波导内部传播，增大了受激喇曼散射的作用区域。
The nonlinear beam-wave interaction processes in a relativistic disk-loaded waveguide TWT are also been simulated using the theory.
另外，还模拟了一个相对论盘荷波导行波管中的非线性注波互作用过程。
Since relativistic effect excites the transverse electric mode in the waveguide, the coupled nonlinear equations have been derived from the beam frame.
由于相对论效应在波导中激起横电模式，我们在轴向波数和轴向电子速度为零的坐标系中导出了非线性耦合方程。
The 'hot' dispersion equation of the coaxial ridge-disk-loaded cylindrical waveguide TWT with an annular electron beam can be firstly obtained according to self-consistent field theory.
引入薄环形电子注，首次建立了脊加载同轴膜片圆波导的注波互作用线性理论，得到小信号条件下的色散方程。
Since the severe asymmetry of optical field and beam divergence degrade the coupling efficiency, the waveguide structure optimizing needed.
这就要提高激光器出射光场的对称性，减小光的散射角，这需要提高对激光器波导层的结构优化。
This paper mainly studies the design and the shaped-beam technology of traveling wave antenna of rectangular waveguide with inclined slot on the narrow wall.
本文主要就波导窄边缝隙行波阵天线的设计及其波束赋形技术进行研究。
Finally, the simplified beam-wave interaction dispersion equation of Gyro-TWT with a spiral corrugated waveguide was obtained from the equations for electronic locomotion.
最后，由电子运动方程出发，推导出了简化了的螺旋波纹波导回旋行波管的注波互作用色散方程。
Finally, the simplified beam-wave interaction dispersion equation of Gyro-TWT with a spiral corrugated waveguide was obtained from the equations for electronic locomotion.
最后，由电子运动方程出发，推导出了简化了的螺旋波纹波导回旋行波管的注波互作用色散方程。
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