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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-12-17
A Novel Center-Fed SIW Inclined Slot Antenna for Active Phased Array
By
Yao Zong,

    Dr. Yao Zong

    School of Electronics and Information

    Northwestern Polytechnical University

    China

    Homepage

Jun Ding,

    Dr. Jun Ding

    School of Electronic and Information Engineering

    Northwest Polytechnical University

    China

    Homepage

Chen-Jiang Guo,

    Dr. Chen-Jiang Guo

    Northwestern Polytechnical University

    China

    Homepage

Chao Li

    Dr. Chao Li

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 88, 97-104, 2020
doi:10.2528/PIERL19090805 | Google Scholar

Abstract
In this paper, a center-fed substrate integrated waveguide (SIW) inclined slot array antenna is designed for a one-dimensional active phased array. A novel coaxial-to-SIW transition is employed to realize the central feed for enhancing bandwidth. The antenna prototype printed onto a single-layer Rogers 5870 is composed of 32×16 inclined slots working at Ku-band. As shown in measured result, the bandwidth with return loss < -10 dB is from 16.6 to 17.1 GHz, and the sidelobe levels of arrays are below -24.8 dB at 16.8 GHz in H planes. The measured gain is 31.8 dB at 16.8 GHz with the aperture efficiency of 65%. The active phased array is assembled by an antenna and 32 Tx/Rx modules, and the measured results show that the main lobe can obtain a wide-angle scanning from -45 to 45 degrees in E planes. The antenna array is suitable for low profile small active phased array radars and communication systems that require spatial wide-angle scanning.
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Citation
Yao Zong, Jun Ding, Chen-Jiang Guo, and Chao Li, "A Novel Center-Fed SIW Inclined Slot Antenna for Active Phased Array," Progress In Electromagnetics Research Letters, Vol. 88, 97-104, 2020.
doi:10.2528/PIERL19090805
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