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In this paper, a hexagon electromagnetic band-gap (EBG) structure is designed and applied into spaceborne antenna. By using surrounding periodic electromagnetic band-gap structure, a circularly-polarized spaceborne antenna operating at S band is designed. Taking spin-stabilized and three-axis-stabilized microsatellite platforms as examples, the antenna radiation performance, such as beamwidth and...
Input and radiation characteristics of compact circularly-polarized (CP) patch antenna with bent slots using in the microsatellite formation flying is analyzed by the method of moments (MoM) in this paper. Firstly, the CP antenna with finite ground plane is simulated by the MoM based on the Schaubert-Wilton-Glisson (SWG) basis function. Then effects of several antenna design parameters, including...
The input impedance and radiation characteristics of spaceborne helix antenna using in the LEO microsatellite formation flying are studied theoretically by the method of moments (MoM) in this paper. A helix antenna model with finite ground plane is simulated by the MoM based on the Rao-Wilton-Glisson (RWG) basis function. The effects of several design parameters, including turn number, pitch, and...
A detailed analysis of the continuous long slot leaky-wave antenna working in millimeter-waveband is carried out by the piecewise integration conformal finite-difference time-domain (CFDTD) method. Firstly, the piecewise integration CFDTD method is presented. Secondly, the key steps involved in the design scheme are summarized. Then a continuous long slot leaky-wave antenna in Ka band is designed...
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