Phaseless radar coincidence imaging with a MIMO SAR platform

Aaron V. Diebold, Mohammadreza F. Imani, David R. Smith

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The correlation-based synthetic aperture radar imaging technique, termed radar coincidence imaging, is extended to a fully multistatic multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) configuration. Within this framework, we explore two distinct processing schemes: incoherent processing of intensity data, obtained using asynchronous receivers and inspired by optical ghost imaging works, and coherent processing with synchronized array elements. Improvement in resolution and image quality is demonstrated in both cases using numerical simulations that model an airborne MIMO SAR system at microwave frequencies. Finally, we explore methods for reducing measurement times and computational loads through compressive and gradient image reconstruction using phaseless data.

Original languageEnglish (US)
Article number533
JournalRemote Sensing
Volume11
Issue number5
DOIs
StatePublished - Mar 1 2019
Externally publishedYes

Keywords

  • Coincidence
  • Correlation
  • Ghost
  • Imaging
  • MIMO
  • RCI
  • Radar
  • SAR

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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