By taking the rectangular metal patch on a printed circuit board as the radiation element and by cutting a C-shaped slot in the rectangular patch, a frequency band notch is implemented.
该天线采用印刷电路板上的矩形贴片作为辐射单元，通过在矩形贴片上开一个C形槽来实现陷波功能。
2
The results of an actual X-bandrectangular waveguide phase controlled antenna array are given.
本文给出X波段矩形波导相控阵天线的研制结果。
3
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.