Phase-Only Beam Shaping for Transmitting Array Antennas in Radar Applications Article Swipe
Lior Maman
,
Shlomo Zach
,
Amir Boag
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2407.05107
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2407.05107
Two beam broadening methods for active electronically scanned array (AESA) antennas with uniform amplitude excitation are proposed and compared: phase tapering optimization (PTO) and a novel time-varying phase tapering (TPT). The PTO is a simple and efficient approach assuming continuous polynomial phase distribution and requiring optimization of only few parameters. The TPT is valid mainly for radar applications, taking advantage of the fact that radars typically transmit pulse trains for coherent integration. By varying the array elements' phases from pulse to pulse, the TPT achieves effective amplitude tapering, thus providing a method of beam shaping, occasionally with a simple analytic form. The TPT also makes it possible to produce beam shaping with very low side lobe levels in comparison to the PTO. As a preliminary step, the dimensionality of the radiation pattern characterization for all scan directions is reduced from five to only two variables. This is crucial for efficient optimization of the radiation pattern which needs to be evaluated over a judiciously specified two-dimensional domain.
Related Topics
Concepts
Reflective array antenna
Radar
Beam (structure)
Smart antenna
Phase (matter)
Phased array
Directional antenna
Computer science
Telecommunications
Electronic engineering
Optics
Physics
Engineering
Slot antenna
Antenna (radio)
Quantum mechanics
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2407.05107
- https://arxiv.org/pdf/2407.05107
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4400480133
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4400480133Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.48550/arxiv.2407.05107Digital Object Identifier
- Title
-
Phase-Only Beam Shaping for Transmitting Array Antennas in Radar ApplicationsWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-07-06Full publication date if available
- Authors
-
Lior Maman, Shlomo Zach, Amir BoagList of authors in order
- Landing page
-
https://arxiv.org/abs/2407.05107Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/2407.05107Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/2407.05107Direct OA link when available
- Concepts
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Reflective array antenna, Radar, Beam (structure), Smart antenna, Phase (matter), Phased array, Directional antenna, Computer science, Telecommunications, Electronic engineering, Optics, Physics, Engineering, Slot antenna, Antenna (radio), Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.distribution | 42 |
| abstract_inverted_index.integration. | 71 |
| abstract_inverted_index.occasionally | 95 |
| abstract_inverted_index.optimization | 21, 45, 150 |
| abstract_inverted_index.time-varying | 26 |
| abstract_inverted_index.applications, | 57 |
| abstract_inverted_index.dimensionality | 127 |
| abstract_inverted_index.electronically | 6 |
| abstract_inverted_index.two-dimensional | 164 |
| abstract_inverted_index.characterization | 132 |
| cited_by_percentile_year | |
| countries_distinct_count | 0 |
| institutions_distinct_count | 3 |
| citation_normalized_percentile |