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SAR Operating Modes

SAR Operating Modes

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Operationally, SAR has several striking advantages. First, with a small physical antenna operating at wavelengths suitable for long-range mapping, SAR can provide azimuth resolutions as fine as a foot or so. Second, by increasing the length of the array in proportion to the range of the area to be mapped, the resolution can be made independent of range. Third, since the array is formed in the signal processor, the basic SAR technique can conveniently be adapted to a wide variety of operational requirements.

Chapter Contents:

  • Squinted Array
  • Multilook Mapping
  • Spotlight Mode
  • Doppler Beam Sharpening (DBS)
  • Moving Target Display
  • Inverse SAR (ISAR) Imaging

Inspec keywords: radar signal processing; synthetic aperture radar; radar antennas

Other keywords: physical antenna; SAR operating modes; long-range mapping; azimuth resolutions; signal processor

Subjects: Single antennas; Radar equipment, systems and applications; Signal processing and detection

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