Multi-Port Element for Grating Lobe Suppression in Sparse VHF Phased Array Radars
(2019) In IEEE Transactions on Antennas and Propagation 67(10). p.6667-6671- Abstract
A multi-port element approach, engineered to address practical design challenges of very high frequency (VHF) phased array radar systems, is presented in this communication. A cornerstone of the antenna element design is its simplicity, which counteracts the mobility issues of physically large and unavoidably bulky ground-based VHF radar systems. The multi-port element introduces a third dimension in the otherwise planar array configuration. Using a non-linear optimization scheme to realize a set of matching networks for the element, the active loading from surrounding elements in the array environment is suppressed resulting in a non-distorted embedded element pattern. The element is compared to the resembling Yagi-Uda design in terms... (More)
A multi-port element approach, engineered to address practical design challenges of very high frequency (VHF) phased array radar systems, is presented in this communication. A cornerstone of the antenna element design is its simplicity, which counteracts the mobility issues of physically large and unavoidably bulky ground-based VHF radar systems. The multi-port element introduces a third dimension in the otherwise planar array configuration. Using a non-linear optimization scheme to realize a set of matching networks for the element, the active loading from surrounding elements in the array environment is suppressed resulting in a non-distorted embedded element pattern. The element is compared to the resembling Yagi-Uda design in terms of standard multi-port and radar metrics. Simulated results indicate that the element enables a significant suppression of grating lobes when beam steering within a limited angular sector, which in turn has an overall positive impact on the array performance.
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- author
- Helander, Jakob LU ; Tayli, Doruk LU and Sjoberg, Daniel LU
- organization
- publishing date
- 2019-07-09
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- 3D array, Bandwidth, Computer architecture, grating lobe, multi-port, Network topology, non-linear optimization, phased array, Quality of service, radar, Routing, Servers, Topology, VHF
- in
- IEEE Transactions on Antennas and Propagation
- volume
- 67
- issue
- 10
- pages
- 6667 - 6671
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- external identifiers
-
- scopus:85069925188
- ISSN
- 0018-926X
- DOI
- 10.1109/TAP.2019.2925967
- language
- English
- LU publication?
- yes
- id
- cba6718f-9858-4919-8354-956759fdb723
- date added to LUP
- 2019-08-23 11:24:32
- date last changed
- 2022-04-26 03:52:31
@article{cba6718f-9858-4919-8354-956759fdb723, abstract = {{<p>A multi-port element approach, engineered to address practical design challenges of very high frequency (VHF) phased array radar systems, is presented in this communication. A cornerstone of the antenna element design is its simplicity, which counteracts the mobility issues of physically large and unavoidably bulky ground-based VHF radar systems. The multi-port element introduces a third dimension in the otherwise planar array configuration. Using a non-linear optimization scheme to realize a set of matching networks for the element, the active loading from surrounding elements in the array environment is suppressed resulting in a non-distorted embedded element pattern. The element is compared to the resembling Yagi-Uda design in terms of standard multi-port and radar metrics. Simulated results indicate that the element enables a significant suppression of grating lobes when beam steering within a limited angular sector, which in turn has an overall positive impact on the array performance.</p>}}, author = {{Helander, Jakob and Tayli, Doruk and Sjoberg, Daniel}}, issn = {{0018-926X}}, keywords = {{3D array; Bandwidth; Computer architecture; grating lobe; multi-port; Network topology; non-linear optimization; phased array; Quality of service; radar; Routing; Servers; Topology; VHF}}, language = {{eng}}, month = {{07}}, number = {{10}}, pages = {{6667--6671}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, series = {{IEEE Transactions on Antennas and Propagation}}, title = {{Multi-Port Element for Grating Lobe Suppression in Sparse VHF Phased Array Radars}}, url = {{http://dx.doi.org/10.1109/TAP.2019.2925967}}, doi = {{10.1109/TAP.2019.2925967}}, volume = {{67}}, year = {{2019}}, }