RCS Reduction Based on Concave/Convex-Chessboard Random Parabolic-Phased Metasurface
A hybrid design method for broadband radar cross section (RCS) reduction based on reflection diffusion is proposed and successfully demonstrated. To this end, we first analyze the scattering behavior of full parabolic-phased metasurface and find out its weaknesses in achieving perfect diffusive patt...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2020-03, Vol.68 (3), p.2463-2468 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Yuan, Fang Xu, He-Xiu Jia, Xue-Qin Wang, Guang-Ming Fu, Yun-Qi |
| description | A hybrid design method for broadband radar cross section (RCS) reduction based on reflection diffusion is proposed and successfully demonstrated. To this end, we first analyze the scattering behavior of full parabolic-phased metasurface and find out its weaknesses in achieving perfect diffusive patterns. Then, we alleviate the issue of full parabolic-phased method through hybridizing two strategies, i.e., concave/convex chessboard arrangement and random focal lengths. The proposed hybrid design makes the phase profile aperiodic without any mirror symmetry, which is the key for achieving perfect diffusive scattering behavior within a wide operation band. The numerical and experimental results show that our proposed design features broadband, polarization insensitivity, and wide incidence angle and can efficiently decrease the RCS more than 10 dB within 7.8-23.2 GHz. Our approach comprehensively solves the issues of narrow band, high bistatic RCS value, time-consuming optimization process, and sensitivity to different polarization and incident angles, promising great potential in stealth applications. |
| doi_str_mv | 10.1109/TAP.2019.2940503 |
| format | Article |
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To this end, we first analyze the scattering behavior of full parabolic-phased metasurface and find out its weaknesses in achieving perfect diffusive patterns. Then, we alleviate the issue of full parabolic-phased method through hybridizing two strategies, i.e., concave/convex chessboard arrangement and random focal lengths. The proposed hybrid design makes the phase profile aperiodic without any mirror symmetry, which is the key for achieving perfect diffusive scattering behavior within a wide operation band. The numerical and experimental results show that our proposed design features broadband, polarization insensitivity, and wide incidence angle and can efficiently decrease the RCS more than 10 dB within 7.8-23.2 GHz. Our approach comprehensively solves the issues of narrow band, high bistatic RCS value, time-consuming optimization process, and sensitivity to different polarization and incident angles, promising great potential in stealth applications.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2019.2940503</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bandwidth ; Broadband ; Broadband antennas ; Broadband communication ; Chessboard ; concave/convex ; Incidence angle ; Metasurfaces ; Mirrors ; Optimization ; parabolic phase ; Polarization ; radar cross section (RCS) reduction ; Radar cross sections ; random focal lengths ; Reduction ; Scattering ; Stealth technology ; Surface waves</subject><ispartof>IEEE transactions on antennas and propagation, 2020-03, Vol.68 (3), p.2463-2468</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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To this end, we first analyze the scattering behavior of full parabolic-phased metasurface and find out its weaknesses in achieving perfect diffusive patterns. Then, we alleviate the issue of full parabolic-phased method through hybridizing two strategies, i.e., concave/convex chessboard arrangement and random focal lengths. The proposed hybrid design makes the phase profile aperiodic without any mirror symmetry, which is the key for achieving perfect diffusive scattering behavior within a wide operation band. The numerical and experimental results show that our proposed design features broadband, polarization insensitivity, and wide incidence angle and can efficiently decrease the RCS more than 10 dB within 7.8-23.2 GHz. Our approach comprehensively solves the issues of narrow band, high bistatic RCS value, time-consuming optimization process, and sensitivity to different polarization and incident angles, promising great potential in stealth applications.</description><subject>Bandwidth</subject><subject>Broadband</subject><subject>Broadband antennas</subject><subject>Broadband communication</subject><subject>Chessboard</subject><subject>concave/convex</subject><subject>Incidence angle</subject><subject>Metasurfaces</subject><subject>Mirrors</subject><subject>Optimization</subject><subject>parabolic phase</subject><subject>Polarization</subject><subject>radar cross section (RCS) reduction</subject><subject>Radar cross sections</subject><subject>random focal lengths</subject><subject>Reduction</subject><subject>Scattering</subject><subject>Stealth technology</subject><subject>Surface waves</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKt3wcuC523ztbvJsS5-QcVSK3gL2UlCt7SbmnSL_ntTK57eGXjeGXgQuiZ4RAiW48VkNqKYyBGVHBeYnaABKQqRU0rJKRpgTEQuaflxji5iXKWVC84HaDGv37K5NT3sWt9ldzpak6Wh9h3ovR2n3NuvvF7aGBuvg8nmujN-k8100I1ft5DPlr-lF7vTsQ9Og71EZ06vo736yyF6f7hf1E_59PXxuZ5Mc6CS7PKKQwHCMCdlaQEoGFc0TQnCkZKT0nEA2zgsmMXMaAeYkgoYprpKuBGCDdHt8e42-M_exp1a-T506aWirOJVyTHFicJHCoKPMVintqHd6PCtCFYHdyq5Uwd36s9dqtwcK6219h9PH2WFS_YDO7Jq1A</recordid><startdate>20200301</startdate><enddate>20200301</enddate><creator>Yuan, Fang</creator><creator>Xu, He-Xiu</creator><creator>Jia, Xue-Qin</creator><creator>Wang, Guang-Ming</creator><creator>Fu, Yun-Qi</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To this end, we first analyze the scattering behavior of full parabolic-phased metasurface and find out its weaknesses in achieving perfect diffusive patterns. Then, we alleviate the issue of full parabolic-phased method through hybridizing two strategies, i.e., concave/convex chessboard arrangement and random focal lengths. The proposed hybrid design makes the phase profile aperiodic without any mirror symmetry, which is the key for achieving perfect diffusive scattering behavior within a wide operation band. The numerical and experimental results show that our proposed design features broadband, polarization insensitivity, and wide incidence angle and can efficiently decrease the RCS more than 10 dB within 7.8-23.2 GHz. 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| subjects | Bandwidth Broadband Broadband antennas Broadband communication Chessboard concave/convex Incidence angle Metasurfaces Mirrors Optimization parabolic phase Polarization radar cross section (RCS) reduction Radar cross sections random focal lengths Reduction Scattering Stealth technology Surface waves |
| title | RCS Reduction Based on Concave/Convex-Chessboard Random Parabolic-Phased Metasurface |
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