Dual-Band Shared-Aperture Reflectarray Antenna Element at Ku-Band for the TT&C Application of a Geostationary Satellite
作者： Daliya Velandi Thiruvoth , A. A. Bazil Raj , B. Pavan Kumar , V. Senthil Kumar , Ravi Dutt Gupta
DOI: 10.1109/RTEICT46194.2019.9016739
关键词: Multi-band device 、 Antenna element 、 Microstrip patch antenna 、 Bandwidth (signal processing) 、 Optics 、 Geostationary orbit 、 Return loss 、 Physics 、 Ku band 、 Telecommunications link
摘要: A dual-band reflectarray microstrip patch antenna element is presented in this paper. The concept of polarization diversity effectively utilized the design with cross-polarization level obtained well below -25dB both principal planes. This supports implementation operation from same element. two orthogonal modes a rectangular patch: TM 01 , and 10 are exploited for operation. inherent narrow bandwidth fulfils requirement present work at downlink uplink frequencies 11.4 GHz 13.2 respectively. measured to be 2% 3%, which keeps simple. Also, good port isolation 27 dB band 20 observed. return loss 17.7 26 an acceptable deviation only 0.65% (75 MHz) frequency. Based on configuration also proposed.
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