Reflectivity-Amplitude Modulation of A Radar Absorber Based on Active Frequency Selective Surface | Zendy

Kainan Qi | Zendy; Haochuan Deng | Zendy; Hao Wan | Zendy; Yan Wang | Zendy; Yongfeng Wang | Zendy

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Reflectivity-Amplitude Modulation of A Radar Absorber Based on Active Frequency Selective Surface

Author(s) -

Kainan Qi,

Haochuan Deng,

Hao Wan,

Yan Wang,

Yongfeng Wang

Publication year - 2019

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2019.01.191

Subject(s) - resistive touchscreen , pin diode , microwave , selective surface , materials science , amplitude modulation , amplitude , modulation (music) , tunable metamaterials , diode , optoelectronics , reflectivity , frequency modulation , optics , layer (electronics) , computer science , radar , acoustics , radio frequency , telecommunications , physics , metamaterial , nanotechnology , computer vision

A novel microwave absorber is presented in this paper. The absorber is a single layer structure based on the topology of a Salisbury screen, but in which the conventional resistive layer is replaced by an active frequency selective surface (AFSS) controlled by PIN diodes. The reflectivity-amplitude of the tunable microwave absorber can be controlling by adjusting the current in PIN diodes. Experimental results are presented and prove the working mechanism of the new absorber, which show that the reflectivity amplitude can be modulated from -5dB to -42dB at 11.5GHz.

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