Title :
An untilted edge-slotted waveguide antenna array design
Author :
Wang, Wei ; Jin, Jian ; Lu, Jia-Guo ; Zhong, Shun-Shi
Author_Institution :
East China Res. Inst. of Electron. Eng., Hefei, China
Abstract :
A novel untilted edge-slotted waveguide antenna array with very low cross-polarization is presented. Each radiating element is composed of an untilted narrow-wall slot, and a pair of shaped irises flanks the slot in the waveguide. An array with 16 of the proposed elements for X-band application is designed and measured. Experimental results show that the antenna has an excellent cross-polarization level of <-39 dB compared to that of a conventional edge-slotted waveguide array and over 7% bandwidth of VSWR≤1.5.
Keywords :
antenna radiation patterns; electromagnetic wave polarisation; slot antenna arrays; VSWR; X-band; cross-polarization; radiation patterns; shaped irises; untilted edge-slotted waveguide antenna array; untilted narrow-wall slot; Antenna arrays; Antenna measurements; Bandwidth; Dielectric measurements; Optical device fabrication; Radar antennas; Rectangular waveguides; Slot antennas; Waveguide discontinuities; Wires;
Conference_Titel :
Computational Electromagnetics and Its Applications, 2004. Proceedings. ICCEA 2004. 2004 3rd International Conference on
Print_ISBN :
0-7803-8562-4
DOI :
10.1109/ICCEA.2004.1459328
