Simulation and Realization of Antennas feed for UWB Circular Polarization Horn
超宽带圆极化喇叭天线馈源的仿真与实现
This paper designs a S-band feed system for HPM antenna, which consists of a dual-mode conical horn and a rectangular-circular mode convertor.
本文设计了一种S波段高功率微波天线的馈源系统，该系统由双模圆锥喇叭和矩-圆模式转换器两部分组成。
A dual-channel tracking receiver is commonly used for the circular waveguide TE_1_1 and TE_2_1 modes auto tracking system in Ka-Band and four-horn monopulse autotracking system in S-Band by switchover.
论述了Ka频段圆波导TE11和TE21模自跟踪体制和S频段正十字排列四喇叭自跟踪体制共用两信道自跟踪接收机问题。
Circular of the State Council on Banning the Trade of Rhinoceros Horn and Tiger Bone
国务院关于禁止犀牛角和虎骨贸易的通知
The characteristic equation and balanced hybrid condition formula of dielectric hybrid mode conical horns are derived by making use of the circular cylindrical waveguide model. The formulas of the horn aperture fields and radiated far fields are also given.
本文利用圆柱波导模型导出了混合模介质加载圆锥喇叭的特征方程和平衡混合条件公式，并给出了其口径场和远区辐射场公式。
The inner conductor of the coaxial waveguide has been replaced by the circular waveguide horn.
用圆波导喇叭代替同轴波导喇叭的内导体实现套叠结构。
The ultrasonic transducer vibrates longitudinally, its front cover plate links up with a half wavelength circular conical horn to increase the amplitude of the output end of the ultrasonic transducer.
该超声换能器采用纵向振动方式，其前盖板连接了一个半波长圆锥形变幅杆，以增大超声换能器输出端的振幅。
Analysis of Conical Horn with Multi-Sector Dielectric Lens Excited by Circular Waveguide TM_ (01) Mode in Time Domain
圆波导TM（01）模激励加多扇区介质透镜圆锥喇叭的时域分析
It is shown that the Gaussian optic loss of the radiant energy from the plasma ECE is no more than 13% by optimizing the dimensions of the circular pyramidal horn, the focus of the convex lens of the antenna system and their relative positions when the Gaussian bean radius of the emission of the ECE novel second harmonic is only 30 mm or so.
优化了天线的圆形角锥喇叭尺寸和凸透镜参数以及在装置上的相对位置，使天线接收到的等离子体ECE异常模二次谐波辐射的高斯光束束半径只有30mm左右，能量的高斯光学性质损失不大于13%。
In addition, provided a calculation method for circular arc transition during the design of ultrasonic horn and tool. And a simple and practical design method for special tool has been presented. 2.
另外，为超声变幅杆和工具头设计中需考虑的圆弧过渡提供了一种计算方法，并为异型工具头的设计提出了一种简易而实用的结构设计和尺寸计算方法。
An improved COBRA lens antenna in X-band for TM_(01) mode is designed. The dielectric lens consisting of three or four sectors is located on the aperture plane of a conical horn. The antenna can radiate circular polarzied patterns, with a boresight peak and a high gain.
设计了X波段COBRA透镜型天线，利用电磁波在不同介质传播速度的差异，通过放置于圆锥喇叭口径处不同厚度的介质透镜改变TM01模不同扇区的相位，从而改变TM01模在普通喇叭口径处的轴对称分布，将轴对称的口径场分布转换为线对称，进而实现线极化或圆极化的轴向辐射。