Sources and Spectra of Ground Return

Sources and Spectra of Ground Return

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In this chapter, the authors will consider what determines the amplitude of the ground return. The authors will then examine the doppler spectrum of each of the three categories of ground return, and the relationship of the composite spectrum to the doppler frequencies of target aircraft in representative situations. Finally, the authors will consider the problem of exceptionally strong sidelobe return reflected by certain objects on the ground.

Chapter Contents:

  • What Determines the Amplitude of the Ground Return
  • Mainlobe Return
  • Sidelobe Clutter
  • Altitude Return
  • Relation of Clutter Spectrum to Target Frequencies
  • Return from Objects on the Terrain

Inspec keywords: radar clutter; aircraft antennas; Doppler radar

Other keywords: composite spectrum; ground return sources; representative situations; Doppler frequency; ground return amplitude; target aircraft; strong sidelobe return; Doppler spectrum; ground return spectra

Subjects: Radar equipment, systems and applications; Single antennas

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