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Development of S band antenna for Nanosatellite
Description
In this paper, a circularly polarized, high gain, patch antenna with low axial ratio dedicated for S band nanosatellite communications is presented. Four asymmetric V-shaped slits in the diagonal directions on the square patches and a parasitic element are introduced to create circularly polarized (CP) radiation with a large axial ratio beamwidth. A prototype of the antenna was developed with a 1.57 mm thick single layer Rogers's substrate with a relative permittivity of 2.2. Simulation and measurement results are given, indicating that this S band antenna realizes the required HORYU-IV nanosatellite specifications in terms of frequency bandwidth, gain, circular polarization bandwidth, and axial ratio (AR) beamwidth.
Journal
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- 2014 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE)
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2014 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE) 16-19, 2014-12-01
IEEE