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Frequency selective radome is one of the most important applications of frequency selective surface (FSS). In order to obtain better stealth performance, a novel element FSS, based on a regular slot element FSS, is presented in this paper. The novel element consists of a slot element in the center and at least two slot strips placed on the periodic boundary. We call such FSS the “hybrid-element type FSS” because it exhibits characteristics of both slot type and patch type FSS. Simulation and optimization work is carried out by using a period moment method and a discrete particle swarm optimization method based on the application requirements of a missile radome. Simulation results show that the hybrid-element type FSS has much steeper transition section between pass-band and stop-band, and much lower transmittance in stop-band when compared with the corresponding slot type FSS. The new FSS also has much lower insertion loss in pass-band, much thinner thickness, much simple structure and fabrication process when compared with the ordinary two-layer FSS. Equivalent sample plate is fabricated using printed circuit method and tested using the free space method. Good fit between simulation and testing results verify the accuracy and feasibility of this novel FSS design. The hybrid-element type FSS is especially suitable for the stealth radome when woking frequencies of both sides are very close. It provides a simple and feasible approach for developing frequency selective radome.
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Keywords:
- frequency selective surface /
- hybrid element
[1] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 167307 (in Chinese)[王秀芝, 高劲松, 徐念喜2013 物理学报62 167307]
[2] Zhang J, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 147304 (in Chinese)[张建, 高劲松, 徐念喜2013 物理学报 62 147304]
[3] Lin B Q, Zhao S H, Wei W, Da X Y, Zhen Q R, Zhang H Y, Zhu M 2014 Chin. Phys. B 23 024201
[4] Yuan Z D, Gao J, Cao X Y, Yang H H, Yang Q, Li W Q, Shang K 2014 Acta Acta Phys. Sin. 63 014102 (in Chinese)[袁子东, 高军, 曹祥玉, 杨欢欢, 杨群, 李文强, 商楷2014 物理学报63 014102]
[5] Lu G W, Zhang J, Yang J Y, Zhang T X, Kou Y 2013 Acta Phys. Sin. 62 198401 (in Chinese)[鲁戈舞, 张剑, 杨洁颖, 张天翔, 寇元2013 物理学报62 198401]
[6] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 237302 (in Chinese)[王秀芝, 高劲松, 徐念喜2013 物理学报62 237302]
[7] Meng Z J, L M Y, Wu Z, Huang J 2008 Chin. J. Radio Sci. 23 1123(in Chinese) [蒙志军, 吕明云, 武哲, 黄俊 2008 电波科学学报23 1123]
[8] Wu T K 1995 Frequency-selective surface and Grid Array(New York:Wiley) pp102-106
[9] Wang J B, Lu J 2011 Acta Phys. Sin. 60 057304 (in Chinese)[汪剑波, 卢俊2011 物理学报60 057304]
[10] Wang L C, Zhang Q, Feng X L 2012 Modern Radar 34 63(in Chinese) [王立超, 张强, 冯晓磊2012 现代雷达34 63]
[11] Munk B A 2000 Frequency Selective Surface:Theory and Design (1st Ed.) (New York: Wiley) pp1-20
[12] Chen X, Gao J S, Xu N X, Wang Y S, Feng X G 2012 Acta Phys. Sin. 61 217307 (in Chinese)[陈新, 高劲松, 徐念喜, 王岩松, 冯晓国2012 物理学报61 217307]
[13] Pelton E L, Munk B A 1974 Antennas and Propagation 32 799
[14] Li X Q, Gao J S 2006 Opt. Precision Eng. 14 219 (in Chinese) [李小秋, 高劲松2006 光学精密工程14 219]
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[1] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 167307 (in Chinese)[王秀芝, 高劲松, 徐念喜2013 物理学报62 167307]
[2] Zhang J, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 147304 (in Chinese)[张建, 高劲松, 徐念喜2013 物理学报 62 147304]
[3] Lin B Q, Zhao S H, Wei W, Da X Y, Zhen Q R, Zhang H Y, Zhu M 2014 Chin. Phys. B 23 024201
[4] Yuan Z D, Gao J, Cao X Y, Yang H H, Yang Q, Li W Q, Shang K 2014 Acta Acta Phys. Sin. 63 014102 (in Chinese)[袁子东, 高军, 曹祥玉, 杨欢欢, 杨群, 李文强, 商楷2014 物理学报63 014102]
[5] Lu G W, Zhang J, Yang J Y, Zhang T X, Kou Y 2013 Acta Phys. Sin. 62 198401 (in Chinese)[鲁戈舞, 张剑, 杨洁颖, 张天翔, 寇元2013 物理学报62 198401]
[6] Wang X Z, Gao J S, Xu N X 2013 Acta Phys. Sin. 62 237302 (in Chinese)[王秀芝, 高劲松, 徐念喜2013 物理学报62 237302]
[7] Meng Z J, L M Y, Wu Z, Huang J 2008 Chin. J. Radio Sci. 23 1123(in Chinese) [蒙志军, 吕明云, 武哲, 黄俊 2008 电波科学学报23 1123]
[8] Wu T K 1995 Frequency-selective surface and Grid Array(New York:Wiley) pp102-106
[9] Wang J B, Lu J 2011 Acta Phys. Sin. 60 057304 (in Chinese)[汪剑波, 卢俊2011 物理学报60 057304]
[10] Wang L C, Zhang Q, Feng X L 2012 Modern Radar 34 63(in Chinese) [王立超, 张强, 冯晓磊2012 现代雷达34 63]
[11] Munk B A 2000 Frequency Selective Surface:Theory and Design (1st Ed.) (New York: Wiley) pp1-20
[12] Chen X, Gao J S, Xu N X, Wang Y S, Feng X G 2012 Acta Phys. Sin. 61 217307 (in Chinese)[陈新, 高劲松, 徐念喜, 王岩松, 冯晓国2012 物理学报61 217307]
[13] Pelton E L, Munk B A 1974 Antennas and Propagation 32 799
[14] Li X Q, Gao J S 2006 Opt. Precision Eng. 14 219 (in Chinese) [李小秋, 高劲松2006 光学精密工程14 219]
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