<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A dual-circularly polarized traveling wave antenna based on linear polarization array with wideband response is proposed. The circular polarization is realized by the sequential rotation arrangement of four linear polarization elements and series feeding with a phase difference 90°. Rotating four of such subarrays sequentially with a phase difference of 90° not only broadens the axial ratio (AR) bandwidth but also corrects the pattern beam deflection. Left-handed circular polarization (LHCP) and right-handed circular polarization (RHCP) are respectively achieved by exciting two different ports. The measured impedance bandwidth of the developed antenna array is 27.5 %. The 3-dB AR bandwidths of RHCP and LHCP are respectively 20.7 % and 22.4 % with the peak gains of about 8.7 and 8.3 dBic.</p>
</abstract>

A dual-circularly polarized traveling wave antenna based on linear polarization array with wideband response is proposed. The circular polarization is realized by the sequential rotation arrangement of four linear polarization elements and series feeding with a phase difference 90°. Rotating four of such subarrays sequentially with a phase difference of 90° not only broadens the axial ratio (AR) bandwidth but also corrects the pattern beam deflection. Left-handed circular polarization (LHCP) and right-handed circular polarization (RHCP) are respectively achieved by exciting two different ports. The measured impedance bandwidth of the developed antenna array is 27.5 %. The 3-dB AR bandwidths of RHCP and LHCP are respectively 20.7 % and 22.4 % with the peak gains of about 8.7 and 8.3 dBic.

A wideband dual-circularly polarized traveling wave antenna array

University of Electronic Science and Technology of China

Electrical/Electronic Engineering Department

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"A wideband dual-circularly polarized traveling wave antenna array"}

A dual-circularly polarized traveling wave antenna based on linear polarization array with wideband response is proposed. The circular polarization is realized...

A wideband dual-circularly polarized traveling wave antenna array

Publicado en línea: 22 dic 2021

Páginas: 407 - 412

Recibido: 24 oct 2021

DOI: https://doi.org/10.2478/jee-2021-0058

Palabras clave
dual-circular polarization, 90° phase difference, series-feeding, traveling wave, rectangular patch

© 2021 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

A wideband dual-circularly polarized traveling wave antenna array

Publicado en línea: 22 dic 2021

Páginas: 407 - 412

Recibido: 24 oct 2021

DOI: https://doi.org/10.2478/jee-2021-0058

Palabras clavedual-circular polarization, 90° phase difference, series-feeding, traveling wave, rectangular patch

© 2021 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
dual-circular polarization, 90° phase difference, series-feeding, traveling wave, rectangular patch