Journal of Systems Engineering and Electronics ›› 2011, Vol. 33 ›› Issue (10): 2184-2187.doi: 10.3969/j.issn.1001-506X.2011.10.08

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Study on RCS of slot antenna loaded composite surface

TAN Yuan, YUAN Nai-chang, YANG Yong, FU Yun-qi   

  1. Microwave Center, College of Electronic Science and Engineering, National University of 
    Defense Technology, Changsha 410073, China
  • Online:2011-10-15 Published:2010-01-03

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Abstract:

The character that the incident wave from the composite surface combined by artificial magnetic conductor (AMC) and perfect electric conductor (PEC) has an 180° phaseshift is studied. By designing the proportion of two surfaces, the composite surface will show obvious RCS reduction in backward direction. Then the composite surface is used on a slot antenna to reduce the RCS, and the radiation of the antenna will not be changed. The measured result shows that the RCS of antenna loaded composite surface reduces 10~15 dB in the designed band, so the backward RCS reduction of the composite surface is validated.

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