Design and Implementation of a Dual-Band Single Layer Reflectarray in X and K Bands
作者： R. Shamsaee Malfajani , Zahra Atlasbaf
关键词: Group delay and phase delay 、 Single layer 、 Multi-band device 、 Telecommunications 、 Microstrip 、 Linear phase 、 Patch antenna 、 Materials science 、 Phase (waves) 、 Microstrip antenna 、 Optics
摘要: Design and implementation of a dual-band single layer microstrip reflectarray are presented in this communication. The proposed operates two separated broad frequency-bands within X K bands. Each element the consists circular patch with slots, phase delay lines attached to patch. required shifts bands obtained by varying lengths lines. has more than 500 800 degrees linear range 9.2 ~ 11.2 GHz (X-band) 21 23 (K-band), respectively. Measurement results show maximum gain 26.2 dB at 10.2 16% 1-dB bandwidth 29.7 22 9.1% bandwidth. With proper arrangement elements array, cross-polarization is reduced. measured efficiency 47% 25% GHz.
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