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In order to meet the multi-band and integration requirements of the communication apparatus, the coupling and resonance mechanism can be exploited to design a frequency selective surface (FSS), with two pass-bands at Ku-band and Ka-band, which is composed of three metallic layers and fabricated on a flat substrate equivalent to a solid wall radome or an A-sandwiched radome. According to the physical structure of the FSS, an equivalent circuit model is established to analyze the filtering mechanism, and the transmission characteristics of the radomes with FSS are obtained by using a full-wave analysis software. The first pass-band at Ku-band with miniaturization property can be achieved by coupling the electric and magnetic field of the three surfaces, while the second pass-band at Ka-band can be achieved by the resonance of the square loop slots embedded in the capacitive surfaces. The transmissions of the solid wall radome and A-sandwiched radome with FSS are 89% and 94.7% at Ku-band, and 88.2% and 93.7% at Ka-band, respectively. When the incident angle is varied from normal to 60°, the frequency response characteristics of the two pass-bands are stable. Finally, the experimental results of the prototype with a solid substrate measured in free-space environment are in good agreement with the simulated values. The proposed radome structure with FSS, which is based on the coupling and resonance mechanism, can achieve two stable pass-bands at Ku-/Ka-band. This may provide some theoretical and experimental assistance for the study of the multi-band and wide band spacing FSS.
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Keywords:
- radome /
- frequency selective surfaces (FSS) /
- dual-band
[1] Munk B A 2000 Frequency Selective Surface: theory and design (1st Ed.) (New York: Wiley)
[2] Jia H Y, Gao J S, Feng X G 2009 Chin. Phys. B 18 1227
[3] Meng Z J, Wang L F, L M Y, Wu Z 2010 Chin. Phys. B 19 127301
[4] Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋, 高劲松, 赵晶丽, 孙连春 2008 57 3803]
[5] Xu N X, Feng X G, Wang Y S, Chen X, Gao J S 2011 Acta Phys. Sin. 60 11410201 (in Chinese) [徐念喜, 冯晓国, 王岩松, 陈新, 高劲松 2011 60 11410201]
[6] Salehi M, Behdad N 2008 IEEE Microw. Wireless Compon. Lett 18 785
[7] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 7307 (in Chinese) [王秀芝, 高劲松, 徐念喜 2013 62 7307]
[8] Li X Q, Gao J S, Feng X G 2008 J. Microwaves 24 7 (in Chinese) [李小秋, 高劲松, 冯晓国 2008 微波学报 24 7]
[9] Gao J S, Wang S S, Feng X G, Xu N X, Zhao J L, Chen H 2010 Acta Phys. Sin. 59 7338 (in Chinese) [高劲松, 王珊珊, 冯晓国, 徐念喜, 赵晶丽, 陈红 2010 59 7338]
[10] Hu X D, Zhou X L, Wu L S 2009 IEEE Antennas Wireless Propag. Lett. 8 1374
[11] Jeffrey A Reed 1997 Ph. D. Dissertation (Texas: The University of Texas at Dallas)
[12] Sarabandi K, Behdad N 2007 IEEE Trans. Antennas Propag 55 1239
[13] Bayatpur F, Sarabandi K 2008 IEEE Trans. Microw. Theory Tech. 56 774
[14] Du Y W 1993 Methods of electric design for radomes (Beijing: National Defence Industry Press) (in Chinese) [杜耀惟 1993 天线罩电信设计方法 (北京: 国防工业出版社)]
[15] Meng Z J, Lv M Y, Wu Z 2010 Opt. Precision Eng. 18 1175 (in Chinese) [蒙志君, 吕明云, 武哲 2010 光学精密工程 18 1175]
[16] Kennedy J, Eberhart R 1995 Proceedings of IEEE International Conference on Neural Networks November, 1995, p1942
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[1] Munk B A 2000 Frequency Selective Surface: theory and design (1st Ed.) (New York: Wiley)
[2] Jia H Y, Gao J S, Feng X G 2009 Chin. Phys. B 18 1227
[3] Meng Z J, Wang L F, L M Y, Wu Z 2010 Chin. Phys. B 19 127301
[4] Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋, 高劲松, 赵晶丽, 孙连春 2008 57 3803]
[5] Xu N X, Feng X G, Wang Y S, Chen X, Gao J S 2011 Acta Phys. Sin. 60 11410201 (in Chinese) [徐念喜, 冯晓国, 王岩松, 陈新, 高劲松 2011 60 11410201]
[6] Salehi M, Behdad N 2008 IEEE Microw. Wireless Compon. Lett 18 785
[7] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 7307 (in Chinese) [王秀芝, 高劲松, 徐念喜 2013 62 7307]
[8] Li X Q, Gao J S, Feng X G 2008 J. Microwaves 24 7 (in Chinese) [李小秋, 高劲松, 冯晓国 2008 微波学报 24 7]
[9] Gao J S, Wang S S, Feng X G, Xu N X, Zhao J L, Chen H 2010 Acta Phys. Sin. 59 7338 (in Chinese) [高劲松, 王珊珊, 冯晓国, 徐念喜, 赵晶丽, 陈红 2010 59 7338]
[10] Hu X D, Zhou X L, Wu L S 2009 IEEE Antennas Wireless Propag. Lett. 8 1374
[11] Jeffrey A Reed 1997 Ph. D. Dissertation (Texas: The University of Texas at Dallas)
[12] Sarabandi K, Behdad N 2007 IEEE Trans. Antennas Propag 55 1239
[13] Bayatpur F, Sarabandi K 2008 IEEE Trans. Microw. Theory Tech. 56 774
[14] Du Y W 1993 Methods of electric design for radomes (Beijing: National Defence Industry Press) (in Chinese) [杜耀惟 1993 天线罩电信设计方法 (北京: 国防工业出版社)]
[15] Meng Z J, Lv M Y, Wu Z 2010 Opt. Precision Eng. 18 1175 (in Chinese) [蒙志君, 吕明云, 武哲 2010 光学精密工程 18 1175]
[16] Kennedy J, Eberhart R 1995 Proceedings of IEEE International Conference on Neural Networks November, 1995, p1942
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