Theoretical Angular Resolution of Forward-Looking MIMO-SAR Systems

Adnan Albaba, Sofie Pollin, Piet Wambacq, Hichem Sahli, Andre Bourdoux

Research output: Chapter in Book/Report/Conference proceedingConference paper

2 Citations (Scopus)

Abstract

This work analyzes the angular resolution (AR) of the monostatic forward-looking synthetic aperture radar (FL-SAR). A general mathematical expression for the theoretical AR of the FL-SAR is derived. Simulation-based validations show that the proposed expression yields precise ARs for both single input single output FL-SAR (FL-SISO-SAR), and multiple input multiple output FL-SAR (FL-MIMO-SAR) configurations. Moreover, the proposed expression shows compatibility with near-field as well as far-field geometries. Lastly, the proposed expression also covers challenging situations such as FL-MIMO-SAR with largely spaced MIMO arrays and targets at look angles equal or close to zero degree.

Original languageEnglish
Title of host publication2022 19th European Radar Conference (EuRAD)
PublisherIEEE
Pages53-56
Number of pages4
ISBN (Electronic)9782874870712
DOIs
Publication statusPublished - 28 Sep 2022

Publication series

Name2022 19th European Radar Conference, EuRAD 2022

Bibliographical note

Publisher Copyright:
© 2022 European Microwave Association (EuMA).

Copyright:
Copyright 2022 Elsevier B.V., All rights reserved.

Keywords

  • Radar imaging
  • FL-MIMO-SAR
  • DBS
  • MIMO
  • synthetic aperture radar
  • angular resolution

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