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1·When it is used as a reflector, it gives an alternative to parabolic cylinder reflector in application on fan-beam antenna.

由此而得到的平面反射器可作为抛物柱面反射器的替代物来构成扇形波束天线。

2·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。

3·What follows, it gives a proof that the volume of rotating parabolic body is half of a cylinder which has the same bottom and height.

随后，证明了旋转抛物体的体积为同底同高圆柱体体积的一半。