High gain reconfigurable symmetrical sector patch antenna loaded with parasitic elements

Table 1. Optimized parameters of the antenna
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Table 1. Optimized parameters of the antenna
参数数值参数数值
L/mm 80 Rl₁/mm 9
R₁/mm 21.4 Rl₂/mm 21
R₂/mm 29.4 W₁/mm 1.5
R₃/mm 38.4 α/(°) 60
D₁/mm 3 β/(°) 25
D₂/mm 3 h/mm 4

Table 2. Four operating states of the antenna
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Table 2. Four operating states of the antenna
工作模式 PIN 1 PIN 2 PIN 3 PIN 4
模式1 导通截止截止截止
模式2 截止导通截止截止
模式3 截止截止导通截止
模式4 截止截止截止导通

Table 3. Performance comparison of the antenna in this paper with those in published literatures

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Table 3. Performance comparison of the antenna in this paper with those in published literatures

文献	尺寸	重构模式数	开关数量	相对带宽/%	增益/dBi
[9]	0.57λ₀×0.45λ₀	5	20	26.40	5.96
[10]	0.56λ₀×0.17λ₀	4	18	8.00	3.90
[11]	1.133λ₀×1.133λ₀	4	8	5.56	7.14
[14]	0.75λ₀×0.75λ₀	2	2	20.10	5.34
[16]	0.675λ₀×0.72λ₀	3	16	15.20	6.10
[17]	0.626λ₀×0.626λ₀	4	4	8.90	5.60
[18]	0.51λ₀×0.51λ₀	3	3	4.20	4.30
本文	1.55λ₀×1.55λ₀	4	4	10.10	7.46

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Yuanxin HUANG, Li’an BIAN, Gaosheng LI, Yanxiu LI, Ranhao CHEN, Yan WANG. High gain reconfigurable symmetrical sector patch antenna loaded with parasitic elements[J]. Chinese Journal of Ship Research, 2025, 20(2): 350

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