Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 13, Issue -, Pages 130-133Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2013.2297733
Keywords
Electromagnetic (EM) performance; metal space frame (MSF); radome; structural deformation
Funding
- National Natural Science Foundation of China [51035006, 51305323]
- Fundamental Research Funds for Central Universities [JY10000904019]
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The presence of radome inevitably degrades the electromagnetic (EM) performance of the enclosed antenna while the deformation of the radome may make the degradations even worse. This letter studies the effect of structural deformation of a metal space frame (MSF) radome on EM performance. Far field of the antenna-radome system is obtained by adding the far field transmitted through skin to the scattered field of elements, both fields varying when deformation occurs. A 20-m MSF radome is employed for simulation, whose structural deformation under wind and self-weight is analyzed using finite element method (FEM). Several significative characteristics about the effect of deformation on EM performance are pointed out.
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