This paper makes research on parabolic cylindrical antenna with feed for linear arrays, generates aperture-field analysis methods and simulation results of parabolic cylinder and feed.

本文对一种直线阵馈电抛物柱面天线进行了研究，并给出了抛物柱面和馈源的口径场分析方法以及仿真结果。

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Measurements of the impedance of a cylindrical antenna in an isotropic plasma and a comparison with theory have been made. The length of the antenna is comparable to the free space length.

本文对可与自由空间波长相比拟的长柱状天线在等离子体中的阻抗进行了实验测量，并与理论计算进行了对比。

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The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna.

在圆柱面上进行一维菲涅尔区相位修正结构设计，可以构成一类新型的点源馈电透镜天线。

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Mechanics spot strange things stuck under cars all the time, but when 20-year-old Yasir Afifi's ride was put up on lifts his shop found something that hadn't been kicked up from the road: a cylindrical tube connected to a device with an antenna.

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