Authors: Huangyan Li, Qunsheng Cao, Chenchen Yang, Yi Wang
Source: FERMAT, Volume 17, Communication 7, Sep-Oct, 2016
Abstract: A novel frequency selective radome (FSR), which is “transparent” within the operating band of the antenna while absorbing out-of-band incoming waves in a very wide band, is presented in this article. In order to absorb undesired signals out of the band, square loops loaded with lumped resistors are used. The pass-band property is realized by employing meandering square slots with a smaller period to enhance the stability under large incident angles. The equivalent circuit method is introduced to explain the working principles of the FSR and verify the full-wave simulation results based on the FEM codes. The structure’s performances under oblique incidences are also investigated.
Keyword: frequency selective surface, radome, equivalent circuit method.
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Design and Analysis of a Frequency Selective Radome (FSR) with Wideband Absorbing Properties