Can We Improve on the Dipole Antenna for Space-based Low Frequency Radio Astronomy?

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Abstract

This paper presents an analysis of the shortcomings
of dipoles in space-based low frequency radio astronomy. It is at
these frequencies that it is expected to uncover more information
about the beginning of the universe, the Dark Ages. At this
moment there is a 5 m tripole setup, part of the Netherlands-
China Low Frequency Explorer (NCLE) on Earth-Moon-L2 Halo
Orbit. However, the dipole is limited in term of bandwidth,
size and impedance. To further increase the sensitivity, more
advanced structures are needed which can be packed in the
same volume. This paper will present multiple solutions to the
problem in the form of inflatable antennas and the usage of shape
memory alloys which are both viable options. A future solution
is a combination of both for packing efficiency and rigidization.
Original languageEnglish
Title of host publication2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers
Pages701-702
Number of pages2
ISBN (Electronic)978-1-7281-4670-6
DOIs
Publication statusPublished - 16 Feb 2022
Event2021 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2021 - Marina Bay Sands, Singapore, Singapore
Duration: 4 Dec 202110 Dec 2021
https://2021apsursi.org/

Conference

Conference2021 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2021
Abbreviated titleAPSURSI 2021
Country/TerritorySingapore
CitySingapore
Period4/12/2110/12/21
Internet address

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