X-band integrated array antenna for circular polarization half-mode substrate

CAI Benxiao; LIU Lei

doi:10.13873/j.1000-9787(2020)02-0073-03

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X-band integrated array antenna for circular polarization half-mode substrate

更新时间：2025-09-11

- X-band integrated array antenna for circular polarization half-mode substrate
- Issue 2, Pages: 73-75(2020)
- 作者机构：
  
  1. 浙江大学电气学院
  2. 杭州电子科技大学理学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2020)02-0073-03
  CLC： TN820
- Published：2020
- 稿件说明：
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CAI Benxiao, LIU Lei. X-band integrated array antenna for circular polarization half-mode substrate[J]. 2020, (2): 73-75.
DOI：

CAI Benxiao, LIU Lei. X-band integrated array antenna for circular polarization half-mode substrate[J]. 2020, (2): 73-75. DOI： 10.13873/j.1000-9787(2020)02-0073-03.

摘要

提出了一种应用于圆极化(CP)的半模基板集成波导(HSIW)阵列。该阵列采用8单元缝隙组阵辐射。由于阵列天线为半模结构

相比全模结构可减小天线轮廓。为此

需采用椭圆极化辐射的X形缝隙作为阵列单元

通过相邻缝隙的阵列耦合效应来实现阵列天线的圆极化(CP)。对实物天线进行散射参数测量及方向图测试

验证了本文的设计。结果表明:在方向图测试频率范围内

即12. 3～12. 8 GHz。轴比小于3 d B的频率范围为12. 3～12. 7 GHz。天线的增益为12 d B

同时旁瓣电平较低(SLL)。天线阵列大小为185 mm×7. 8 mm

可用带宽为3. 2%。

Abstract

A half-mode substrate integrated waveguide（ HSIW） array with circular polarization（ CP） radiation is proposed. This array is composed of 8-element slots. Which HMSIW structure

the antenna profile can be reduced compared with the SIW structure. In order to achieve a HMSIW array

the specific designed elliptically polarized X-shaped slots are introduced to implement circular polarization（ CP） by array coupling. Finally

the antenna is fabricated

and measured over 12. 3 ～ 12. 8 GHz. Frequency ranges of 12. 3 ～ 12. 7 GHz with axial ratio（ AR） of3 d B. The measured gain is 12 d B with low side lobe level（ SLL）. The anrenna size is 185 mm × 7. 8 mm

and the available bandwidth is 3. 2 %.

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Related Institution

Engineering Research Center of Mechanical Testing Technology and Equipment,Ministry of Education,Chongqing Key Laboratory of Time-Grating Sensing and Advanced Testing Technology,Chongqing University of Technology

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