A Circularly Polarized Wide-scan Waveguide Slot Phased Array Antenna with High Efficiency for Ka Band Application
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摘要: 该文提出一种新型小尺寸、低剖面、“f”字型波导缝隙圆极化器，高度仅1/6波长，宽度约2/5波长。基于该圆极化器，设计了一种高效率、低剖面、圆极化脊波导缝隙线阵天线。为满足空间应用中对轻质、高效率、圆极化、±60°宽角扫描相控阵天线的需求，采用该线阵天线作为阵元设计、仿真并实现了16阵元Ka频段脊波导缝隙相控阵天线。仿真和实测结果表明，该相控阵天线可实现1维±60°宽角扫描。在扫描角范围内，相控阵天线的轴比小于4.1 dB，增益下降小于4.3 dB。在0°扫描角工作时，天线的实测增益为35.9 dBi，辐射效率接近85%。Abstract: A novel f-letter waveguide slot with small size and low-profile is presented in this paper. The height of the circular polarizer is only λ0/6, and the width is about 2λ0/5. Based on the new circular polarizer, a circularly polarized ridge-waveguide slot linear array antenna with lower-profile and high aperture efficiency is designed. Using the linear array as the antenna cell, a 16-cells Ka-band circularly polarized wide-scan ridge-waveguide slot phased-array antenna with high efficiency and lightweight is designed, simulated and fabricated to achieve ±60° wide-scan for the space application. The simulated and measured results show that the phased-array antenna can achieve one-dimensional wide-angle beam-scanning with ±60° scan range. Across the scan coverage, the axial ratio is less than 4.1 dB and the gain variation is less than 4.3 dB. The measured antenna gain is higher than 35.9 dBi in the 0° scan-angle, and the corresponding efficiency near 85% are obtained.
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Key words:
- Phased-array antenna /
- Waveguide slot antenna /
- Ka band /
- Circularly polarized /
- Wide-scan
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表 1 圆极化波导缝隙相控阵天线f0频点处的仿真与实测轴比值
扫描角度(°) –60 –45 –30 –15 0 15 30 45 60 仿真轴比(dB) 1.5 2.6 3.2 3.4 3.0 3.4 3.2 2.6 1.5 实测轴比(dB) 3.5 3.7 4.0 4.1 3.8 4.1 4.0 3.7 3.5 
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[1] 李振亚, 竺小松, 张建华. 一种新颖的宽带圆极化单极天线[J]. 电子与信息学报, 2018, 40(11): 2705–2711. doi: 10.11999/JEIT180094LI Zhenya, ZHU Xiaosong, and ZHANG Jianhua. A novel broadband circularly polarized monopole antenna[J]. Journal of Electronics &Information Technology, 2018, 40(11): 2705–2711. doi: 10.11999/JEIT180094 [2] 陆贵文, 李明鉴. 一种新型毫米波磁电偶极子天线阵列设计[J]. 电子与信息学报, 2015, 37(10): 2517–2520. doi: 10.11999/JEIT150038LUK K M and LI Mingjian. Novel millimeter-wave magneto-electric dipole antenna array[J]. Journal of Electronics &Information Technology, 2015, 37(10): 2517–2520. doi: 10.11999/JEIT150038 [3] RAVINDRA V, AKBAR P R, ZHANG Miao, et al. A dual-polarization X-band traveling-wave antenna panel for small-satellite synthetic aperture radar[J]. IEEE Transactions on Antennas and Propagation, 2017, 65(5): 2144–2156. doi: 10.1109/TAP.2017.2676760 [4] 孙吉利, 禹卫东, 邓云凯. 高分三号卫星SAR工作模式与载荷设计[J]. 航天器工程, 2017, 26(6): 61–67. doi: 10.3969/j.issn.1673-8748.2017.06.010SUN Jili, YU Weidong, and DENG Yunkai. Design of working modes and payload of SAR for GF-3 satellite[J]. Spacecraft Engineering, 2017, 26(6): 61–67. doi: 10.3969/j.issn.1673-8748.2017.06.010 [5] HERRANZ-HERRUZO J I, VALERO-NOGUEIRA A, FERRANDO-ROCHER M, et al. Low-cost Ka-band switchable RHCP/LHCP antenna array for mobile SATCOM terminal[J]. IEEE Transactions on Antennas and Propagation, 2018, 66(5): 2661–2666. doi: 10.1109/TAP.2018.2806421 [6] SHI Lei, BENCIVENNI C, MAASKANT R, et al. High-Efficiency and wideband aperiodic array of uniformly excited slotted waveguide antennas designed through compressive sensing[J]. IEEE Transactions on Antennas and Propagation, 2019, 67(5): 2992–2999. doi: 10.1109/TAP.2019.2891647 [7] LI Yue, CHEN Zhining, QING Xianming, et al. Axial ratio bandwidth enhancement of 60-GHz substrate integrated waveguide-fed circularly polarized LTCC antenna array[J]. IEEE Transactions on Antennas and Propagation, 2012, 60(10): 4619–4626. doi: 10.1109/TAP.2012.2207343 [8] MIN K S, HIROKAWA J, SAKURAI K, et al. Single-layer dipole array for linear-to-circular polarisation conversion of slotted waveguide array[J]. IEE Proceedings - Microwaves, Antennas and Propagation, 1996, 143(3): 211–216. doi: 10.1049/ip-map:19960445 [9] FERRANDO-ROCHER M, HERRANZ-HERRUZO J I, VALERO-NOGUEIRA A, et al. Circularly polarized slotted waveguide array with improved axial ratio performance[J]. IEEE Transactions on Antennas and Propagation, 2016, 64(9): 4144–4148. doi: 10.1109/TAP.2016.2586492 [10] DIMITROV K C, LEE Y, MIN B W, et al. Circularly polarized t-shaped slot waveguide array antenna for satellite communications[J]. IEEE Antennas and Wireless Propagation Letters, 2020, 19(2): 317–321. doi: 10.1109/LAWP.2019.2961386 [11] MONTISCI G. Design of circularly polarized waveguide slot linear arrays[J]. IEEE Transactions on Antennas and Propagation, 2006, 54(10): 3025–3029. doi: 10.1109/TAP.2006.882201 [12] CHEN Peng, HONG Wei, KUAI Zhenqi, et al. A substrate integrated waveguide circular polarized slot radiator and its linear array[J]. IEEE Antennas and Wireless Propagation Letters, 2008, 8: 120–123. doi: 10.1109/LAWP.2008.2011062 [13] SANCHEZ-OLIVARES P and MASA-CAMPOS J L. Novel four cross slot radiator with tuning vias for circularly polarized SIW linear array[J]. IEEE Transactions on Antennas and Propagation, 2014, 62(4): 2271–2275. doi: 10.1109/TAP.2014.2299823 [14] AL SHARKAWY M and KISHK A A. Wideband beam-scanning circularly polarized inclined slots using ridge gap waveguide[J]. IEEE Antennas and Wireless Propagation Letters, 2014, 13: 1187–1190. doi: 10.1109/LAWP.2014.2331679 [15] WALLIS R E and CHENG Sheng. Phased-array antenna system for the MESSENGER deep space mission[C]. Proceedings of IEEE Aerospace Conference Proceedings, Big Sky, USA, 2001: 10–17. doi: 10.1109/AERO.2001.931694. [16] 王进, 杜彪, 孙立杰, 等. 宽带高性能四脊波导圆极化器设计[J]. 电子与信息学报, 2019, 41(3): 611–618. doi: 10.11999/JEIT180423WANG Jin, DU Biao, SUN Lijie, et al. Design of wideband high performance quad-ridge waveguide polarizer[J]. Journal of Electronics &Information Technology, 2019, 41(3): 611–618. doi: 10.11999/JEIT180423 [17] LU Xianlong, ZHANG He, GU Shengming, et al. A dual-polarized cross-slot antenna array on a parallel-plate waveguide with compact structure and high efficiency[J]. IEEE Antennas and Wireless Propagation Letters, 2018, 17(1): 8–11. doi: 10.1109/LAWP.2017.2767073 [18] 孟明霞, 丁晓磊, 丁克乾, 等. 双极化赋形波束波导缝隙阵列天线研究[J]. 遥测遥控, 2014, 35(6): 16–19, 28. doi: 10.13435/j.cnki.ttc.002660MENG Mingxia, DING Xiaolei, DING Keqian, et al. Design of dual polarized shaped beam waveguide slot array antenna[J]. Journal of Telemetry,Tracking and Command, 2014, 35(6): 16–19, 28. doi: 10.13435/j.cnki.ttc.002660 -
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