articleIEEE Transactions on Antennas and PropagationJan 2, 2026Closed access

Design of a Spatial Multimode Energy-Selective Antenna Integrating Electromagnetic Protection and Anti-Interference Capabilities

LGLongjie GaiYXYanlin XUPLPeiguo LIUZHZhengwei HeTZTao Zhou

National University of Defense Technology

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Abstract

A spatial multi-mode energy selective antenna integrating electromagnetic (EM) protection and anti-interference capabilities for high-intensity radiation fields (HIRF) is proposed in this communication. 1-bit phase modulation of the element is implemented by embedding a feed phase network into the patch and actively controlling single pole double throw (SPDT) devices, which enables compact configuration and precise phase control. Additionally, an energy selective protective structure is created by etching cavities around the coaxial feed probe, allowing for joint energy and spatial domain manipulation. Furthermore, a reciprocal high-power injection testing method is introduced, significantly reducing the cost…

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Topics & keywords

Topics
Keywords
  • Antenna (radio)
  • Electromagnetic shielding
  • Interference (communication)
  • Energy (signal processing)
  • Phase (matter)
  • Electromagnetic interference
  • Coaxial
  • Radiation
UN Sustainable Development Goals
  • Affordable and clean energy
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