Spotlight Synthetic Aperture Radar

Spotlight Synthetic Aperture Radar

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The decades of development of synthetic aperture radar (SAR) have resulted in a family of remarkable signal processing techniques that are capable of producing imagery whose cross-range resolution is independent of range and much finer than is possible to achieve with any practically-deployable real-beam antenna. SAR was initially conceived in the 1950s by Carl Wiley in the context of stripmap collection. He was, by all accounts, a talented and colorful person whose contributions include the first serious consideration of the feasibility of the solar sail. This early work ignited a legacy of research, development, and practical application that remains strong to this day.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Mathematical Background
  • 6.3 Spotlight SAR Nomenclature
  • 6.4 Sampling Requirements and Resolution
  • 6.5 Image Reconstruction
  • 6.6 Image Metrics
  • 6.7 Phase Error Effects
  • 6.8 Autofocus
  • 6.9 Summary and Further Reading
  • 6.10 References
  • 6.11 Problems

Inspec keywords: synthetic aperture radar; radar imaging; image resolution; radar resolution

Other keywords: synthetic aperture radar; stripmap collection; SAR; solar sail; real-beam antenna; signal processing technique; MEMS packaging

Subjects: Optical, image and video signal processing; Radar equipment, systems and applications

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