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Imaging of Downscaled UAVs via sub-THz 2D Monostatic and Bistatic ISAR Imaging

Ivanenko, Yevhen LU ; Sjoberg, Daniel LU orcid and Pettersson, Mats I. (2026) 27th International Radar Symposium, IRS 2026 In Proceedings International Radar Symposium p.313-318
Abstract

The development of new radar systems operating at sub-THz and THz frequencies with high-resolution imaging has led to new applications and enabled remote sensing for shortrange applications, such as non-destructive testing or surfaceroughness analysis. Furthermore, these remote-sensing systems open an opportunity to study downscaled real-life scenarios that involve long-range remote sensing in a closed laboratory environment. In this paper, we introduce a method for studying the radar signatures of objects sensed in the far-field region using X band radars, employing a scaled sub-THz 2D inverse synthetic aperture radar (ISAR) system that performs simultaneous monostatic and bistatic radar imaging. The method is experimentally studied... (More)

The development of new radar systems operating at sub-THz and THz frequencies with high-resolution imaging has led to new applications and enabled remote sensing for shortrange applications, such as non-destructive testing or surfaceroughness analysis. Furthermore, these remote-sensing systems open an opportunity to study downscaled real-life scenarios that involve long-range remote sensing in a closed laboratory environment. In this paper, we introduce a method for studying the radar signatures of objects sensed in the far-field region using X band radars, employing a scaled sub-THz 2D inverse synthetic aperture radar (ISAR) system that performs simultaneous monostatic and bistatic radar imaging. The method is experimentally studied via a VNA-based radar system operating at D-band with application to a downscaled model of a 3.3 m -long unmanned aerial vehicle (UAV). The results demonstrate that the proposed method provides insight into the radar signatures of physically large targets in the laboratory environment. Furthermore, the results demonstrate that monostatic and bistatic imaging provide complementary information on the radar signature of the object under test.

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Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
2D, bistatic, downscaling, ISAR imaging, monostatic, UAV
host publication
Proceedings of the 2026 27th International Radar Symposium, IRS 2026
series title
Proceedings International Radar Symposium
editor
Rupniewski, Marek
pages
6 pages
publisher
IEEE Computer Society
conference name
27th International Radar Symposium, IRS 2026
conference location
Krakow, Poland
conference dates
2026-05-19 - 2026-05-21
external identifiers
  • scopus:105042258068
ISSN
2155-5745
2155-5753
ISBN
9788396972651
DOI
10.23919/IRS70539.2026.11549236
language
English
LU publication?
yes
id
a5f5ba17-2c26-4faa-be95-a7218c4271eb
date added to LUP
2026-09-16 14:16:49
date last changed
2026-09-30 23:42:48
@inproceedings{a5f5ba17-2c26-4faa-be95-a7218c4271eb,
  abstract     = {{<p>The development of new radar systems operating at sub-THz and THz frequencies with high-resolution imaging has led to new applications and enabled remote sensing for shortrange applications, such as non-destructive testing or surfaceroughness analysis. Furthermore, these remote-sensing systems open an opportunity to study downscaled real-life scenarios that involve long-range remote sensing in a closed laboratory environment. In this paper, we introduce a method for studying the radar signatures of objects sensed in the far-field region using X band radars, employing a scaled sub-THz 2D inverse synthetic aperture radar (ISAR) system that performs simultaneous monostatic and bistatic radar imaging. The method is experimentally studied via a VNA-based radar system operating at D-band with application to a downscaled model of a 3.3 m -long unmanned aerial vehicle (UAV). The results demonstrate that the proposed method provides insight into the radar signatures of physically large targets in the laboratory environment. Furthermore, the results demonstrate that monostatic and bistatic imaging provide complementary information on the radar signature of the object under test.</p>}},
  author       = {{Ivanenko, Yevhen and Sjoberg, Daniel and Pettersson, Mats I.}},
  booktitle    = {{Proceedings of the 2026 27th International Radar Symposium, IRS 2026}},
  editor       = {{Rupniewski, Marek}},
  isbn         = {{9788396972651}},
  issn         = {{2155-5745}},
  keywords     = {{2D; bistatic; downscaling; ISAR imaging; monostatic; UAV}},
  language     = {{eng}},
  pages        = {{313--318}},
  publisher    = {{IEEE Computer Society}},
  series       = {{Proceedings International Radar Symposium}},
  title        = {{Imaging of Downscaled UAVs via sub-THz 2D Monostatic and Bistatic ISAR Imaging}},
  url          = {{http://dx.doi.org/10.23919/IRS70539.2026.11549236}},
  doi          = {{10.23919/IRS70539.2026.11549236}},
  year         = {{2026}},
}