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Analysis of mechanically tunable frequency selective surfaces

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2 Author(s)
Zhang Wenxun ; State Key Lab. of Millimeter Waves, Southeast University, Nanjing 210096, P. R. China ; Song Hongxin

The frequency selective surface (FSS) has been widely applied by means of its spatial frequency-filter characteristic, but it is always designed and used as a device with fixed frequency response. In order to tune the resonant frequency and switch the frequency channel, a scheme of mechanically tunable FSS is theoretically analyzed by using the method of Floquet's vector modes expansion and fields matching. A double-layer tunable FSS with dipole element can perform a dynamic range of resonant frequency covering whole X-band.

Published in:

Journal of Systems Engineering and Electronics  (Volume:8 ,  Issue: 4 )