Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering

Fannush Shofi Akbar; Gamantyo Hendrantoro; Leo Ligthart; Ioan E. Lager

doi:10.23919/EuCAP48036.2020.9135339

Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering

Fannush Shofi Akbar, Gamantyo Hendrantoro, Leo Ligthart, Ioan E. Lager

Electrical Engineering Education

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

5 Citations (SciVal)

Abstract

An advanced design, adding a significant first sidelobes level (FSLL) improvement to a previously introduced wide-angular-scanning, linear array prototype with demonstrated scan-loss compensation (SLC) and sidelobes suppression features is discussed. The linear array makes use of in-line subarrays for SLC and an additional amplitude taper in its central, uniform region for lowering the FSLL with as much as 4\mathrm{d}\mathrm{B} at \pm 60 {\mathrm{o}} scanning (13\mathrm{d}\mathrm{B} at \pm 20 {\mathrm{o}} scanning). Several Taylor-type amplitudes tapers are compared, the best overall performance improvement being observed for a -18dB prototype taper. The advocated solution is highly suitable to high-sensitivity radars requiring a fast-scanning, fan-beam.

Original language	English
Title of host publication	14th European Conference on Antennas and Propagation, EuCAP 2020
Publisher	IEEE
ISBN (Electronic)	9788831299008
DOIs	https://doi.org/10.23919/EuCAP48036.2020.9135339
Publication status	Published - Mar 2020
Event	14th European Conference on Antennas and Propagation, EuCAP 2020 - Copenhagen, Denmark Duration: 15 Mar 2020 → 20 Mar 2020 Conference number: 14

Publication series

Name	14th European Conference on Antennas and Propagation, EuCAP 2020

Conference

Conference	14th European Conference on Antennas and Propagation, EuCAP 2020
Abbreviated title	EuCAP 2020
Country/Territory	Denmark
City	Copenhagen
Period	15/03/20 → 20/03/20

Access to Document

10.23919/EuCAP48036.2020.9135339

Cite this

Akbar, F. S., Hendrantoro, G., Ligthart, L., & Lager, I. E. (2020). Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering. In 14th European Conference on Antennas and Propagation, EuCAP 2020 Article 9135339 (14th European Conference on Antennas and Propagation, EuCAP 2020). IEEE. https://doi.org/10.23919/EuCAP48036.2020.9135339

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title = "Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering",

abstract = "An advanced design, adding a significant first sidelobes level (FSLL) improvement to a previously introduced wide-angular-scanning, linear array prototype with demonstrated scan-loss compensation (SLC) and sidelobes suppression features is discussed. The linear array makes use of in-line subarrays for SLC and an additional amplitude taper in its central, uniform region for lowering the FSLL with as much as 4\mathrm{d}\mathrm{B} at \pm 60 {\mathrm{o}} scanning (13\mathrm{d}\mathrm{B} at \pm 20 {\mathrm{o}} scanning). Several Taylor-type amplitudes tapers are compared, the best overall performance improvement being observed for a -18dB prototype taper. The advocated solution is highly suitable to high-sensitivity radars requiring a fast-scanning, fan-beam.",

author = "Akbar, {Fannush Shofi} and Gamantyo Hendrantoro and Leo Ligthart and Lager, {Ioan E.}",

year = "2020",

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Akbar, FS, Hendrantoro, G, Ligthart, L & Lager, IE 2020, Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering. in 14th European Conference on Antennas and Propagation, EuCAP 2020., 9135339, 14th European Conference on Antennas and Propagation, EuCAP 2020, IEEE, 14th European Conference on Antennas and Propagation, EuCAP 2020, Copenhagen, Denmark, 15/03/20. https://doi.org/10.23919/EuCAP48036.2020.9135339

Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering. / Akbar, Fannush Shofi; Hendrantoro, Gamantyo; Ligthart, Leo et al.
14th European Conference on Antennas and Propagation, EuCAP 2020. IEEE, 2020. 9135339 (14th European Conference on Antennas and Propagation, EuCAP 2020).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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N1 - Conference code: 14

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N2 - An advanced design, adding a significant first sidelobes level (FSLL) improvement to a previously introduced wide-angular-scanning, linear array prototype with demonstrated scan-loss compensation (SLC) and sidelobes suppression features is discussed. The linear array makes use of in-line subarrays for SLC and an additional amplitude taper in its central, uniform region for lowering the FSLL with as much as 4\mathrm{d}\mathrm{B} at \pm 60 {\mathrm{o}} scanning (13\mathrm{d}\mathrm{B} at \pm 20 {\mathrm{o}} scanning). Several Taylor-type amplitudes tapers are compared, the best overall performance improvement being observed for a -18dB prototype taper. The advocated solution is highly suitable to high-sensitivity radars requiring a fast-scanning, fan-beam.

AB - An advanced design, adding a significant first sidelobes level (FSLL) improvement to a previously introduced wide-angular-scanning, linear array prototype with demonstrated scan-loss compensation (SLC) and sidelobes suppression features is discussed. The linear array makes use of in-line subarrays for SLC and an additional amplitude taper in its central, uniform region for lowering the FSLL with as much as 4\mathrm{d}\mathrm{B} at \pm 60 {\mathrm{o}} scanning (13\mathrm{d}\mathrm{B} at \pm 20 {\mathrm{o}} scanning). Several Taylor-type amplitudes tapers are compared, the best overall performance improvement being observed for a -18dB prototype taper. The advocated solution is highly suitable to high-sensitivity radars requiring a fast-scanning, fan-beam.

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Akbar FS, Hendrantoro G, Ligthart L, Lager IE. Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering. In 14th European Conference on Antennas and Propagation, EuCAP 2020. IEEE. 2020. 9135339. (14th European Conference on Antennas and Propagation, EuCAP 2020). doi: 10.23919/EuCAP48036.2020.9135339

Wide-Angular Scanning Performance Enhancement in Linear Arrays via Combining Integrated In-line Subarrays and Amplitude Tapering

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