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Volume 32 Issue 6
Jun.  2010
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Liang Guang, Gong Wen-bin, Yu Jin-pei. The Design and Implementation of Sub-arrayed Phased Array Antenna for LEO Satellite[J]. Journal of Electronics & Information Technology, 2010, 32(6): 1435-1440. doi: 10.3724/SP.J.1146.2009.00695
Citation: Liang Guang, Gong Wen-bin, Yu Jin-pei. The Design and Implementation of Sub-arrayed Phased Array Antenna for LEO Satellite[J]. Journal of Electronics & Information Technology, 2010, 32(6): 1435-1440. doi: 10.3724/SP.J.1146.2009.00695

The Design and Implementation of Sub-arrayed Phased Array Antenna for LEO Satellite

doi: 10.3724/SP.J.1146.2009.00695
  • Received Date: 2009-05-08
  • Rev Recd Date: 2009-10-28
  • Publish Date: 2010-06-19
  • This paper presents a practical scheme of equal flux beams coverage and frequency multiplex according to CDMA standard utilized by LEO satellites, which can reduce the effect of corner problem and near and far problem. Genetic algorithm is adopted to realize the synthesis of hexagonal antenna, based on sub-array theory. The partition of sub-array in beam-space or element-space can reduce the number of beam-forming coefficients. A multiplex structure for beam-forming network is proposed, which can reduce the resource consumption by 67%. Ultimately a phased array antenna (TX) is designed. The experiment result demonstrates that all the parameters of phased array antenna are consistent with the target of design, which validates the rationality and feasibility of genetic algorithm.
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