Evidence map›Paper›PMID 39001125›Full record

ArticleSensors (Basel, Switzerland)2024

Circularly Polarized Vivaldi Antennas Integrated with Septum-like Polarizer.

Ilkyu Kim, Sun-Gyu Lee, Yong-Hyun Nam, Jeong-Hae Lee

Abstract read
In one paragraph

Article in Sensors (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Ilkyu KimDepartment of Electrical and Electronics Engineering, Sejong Cyber University, Seoul 05000, Republic of Korea.ORCID 0000-0002-1500-0471
Sun-Gyu LeeTerrestrial & Non-Terrestrial Integrated Telecommunications Research Laboratory, Electronics and Telecommunications Research Institute (ETRI), Deajeon 34129, Republic of Korea.
Yong-Hyun NamDepartment of Electronics and Electrical Engineering, Hongik University, Seoul 03967, Republic of Korea.
Jeong-Hae LeeDepartment of Electronics and Electrical Engineering, Hongik University, Seoul 03967, Republic of Korea.

Funding

National Research Foundation (NRF) funded by the Ministry of Education No. 2015R1A6A1A03031833
6 · The paper itself

Abstract

In this paper, two orthogonally placed Vivaldi antennas with a septum-like polarizer to generate circular polarized (CP) waves are presented. Septum polarizers have garnered attention due to their simple structure and high quality of CP waves. While a typical septum polarizer has been applied to various types of waveguides, its applicability to the substrate integrated Vivaldi antenna is demonstrated here for the first time. A pulse train-shaped polarizer is used, which is placed on one of the two Vivaldi antennas. The contours of the polarizer are optimized using a genetic algorithm to provide an equal amplitude and 90° phase difference between the two orthogonal electric fields. In contrast to typical feed networks with a 90° phase shifter, any unwanted loss caused by an electronic circuit can be greatly mitigated. The antenna prototype was fabricated, and its radiation pattern and impedance matching were measured and compared to the simulated results.

Indexed as

circular polarizationco-planar antennafeed network designfull-wave simulationgenetic algorithmseptum polarizerVivaldi antenna

Identifiers

PMID39001125
PMCPMC11244534

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.