Isolation Improvement in Vivaldi Antennas Using DSRR

Yun, Ju-Ho; Park, Dae-Sung; Jang, Donghyeok; Hwang, Keum Cheol

doi:10.5515/kjkiees.2018.29.10.739

J. Korean Inst. Electromagn. Eng. Sci.

2018

DOI: 10.5515/kjkiees.2018.29.10.739

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Isolation Improvement in Vivaldi Antennas Using DSRR

Ju-Ho Yun¹,

Dae-Sung Park²,

Donghyeok Jang³

et al.

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Cited by 2 publications

References 6 publications

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Configuration of a 16-Element Array Antenna Design to Improve Signal Detection Performances

Jang¹,

Yoo²,

Wang³

et al. 2019

J. Korean Inst. Electromagn. Eng. Sci.

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In this paper, we proposed a 16-element array antenna design to improve signal detection performances. The array antenna characteristics, such as mutual coupling, pattern deviation, and half power beamwidth of the active element, were examined to obtain an optimal spacing between individual elements. The single element of the array antenna consists of an indirect feed using L-shaped feed and shorted radiating patch to achieve a broadband operation. Root mean square(RMS) errors based on the incident angle of the signal were calculated to verify the signal detection performance of the proposed antenna. The results demonstrate that the proposed array antenna with optimal spacing is suitable for detecting interference signals with low RMS error.

show abstract

Configuration of a 16-Element Array Antenna Design to Improve Signal Detection Performances

Jang¹,

Yoo²,

Wang³

et al. 2019

J. Korean Inst. Electromagn. Eng. Sci.

View full text Add to dashboard Cite

show abstract

Design of Optimized Two Baseline Waveguide Slot Array Antenna for Interferometric Radar Altimeter

Yoon¹,

Kim²,

Kim³

et al. 2022

J. KIMS Technol

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In this paper, the compact waveguide slot array antenna for interferometric radar altimeter is proposed. The proposed antenna structure consist of corrugation structure which is applied between each channel to improve isolation, three-channel waveguide slot array antenna and feeder. In addition, to reduce the occurrence of phase ambiguity, the baseline spacing of the three-channel antenna is analyzed and the results are applied to the design. For compact design, reduced height and SMP connector structure are used and the dip brazing method which is the conjugation method after dipping to flux is used for the fabrication of the lightweight antenna. The measurement result of the proposed antenna shows less than 1.41 : 1 (VSWR) and 48.3 dBc (isolation). The antenna gain is higher than 20.2 dBi and the side lobe levels are lower than 18.8 dB (vertical plane) and 10.0 dB (horizontal plane).

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Isolation Improvement in Vivaldi Antennas Using DSRR

Cited by 2 publications

References 6 publications

Configuration of a 16-Element Array Antenna Design to Improve Signal Detection Performances

Configuration of a 16-Element Array Antenna Design to Improve Signal Detection Performances

Design of Optimized Two Baseline Waveguide Slot Array Antenna for Interferometric Radar Altimeter

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