RCS Measurement Requirements

RCS Measurement Requirements

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Although several kinds of RCS measurements were discussed in this chapter, no known test facility is equipped to conduct all of them. The most common test requirement is the collection of backscattering patterns, and, in the few instances when bistatic data are needed, they must usually be collected on an outdoor range. The most common backscattering requirement is for amplitude-only patterns, but the collection of coherent data (phase as well as amplitude) for the generation of radar imagery is rapidly becoming routine. Long-pulse (low-resolution) data were once the most common kinds of patterns recorded, but the versatility of the chirped (stepped-frequency) waveform now makes it possible to electronically synthesize quite narrow pulses. A coherent radar is demanded for the measurement of target glint and doppler characteristics.

Chapter Contents:

  • 11.1 Measurement Objectives
  • 11.2 Types of RCS Measurements
  • 11.3 The Farfield Requirement
  • 11.4 Great Circle versus Conical Cuts
  • 11.5 Target Support Structures
  • 11.6 Target-Ground Interactions
  • 11.7 Calibration
  • 11.8 Summary
  • References

Inspec keywords: radar resolution; radar cross-sections; Doppler radar

Other keywords: amplitude-only patterns; backscattering patterns; Doppler characteristics; outdoor range; target glint measurement; coherent data collection; chirped waveform; test requirement; RCS measurement requirements; stepped-frequency waveform; bistatic data; long-pulse data; low-resolution data; radar imagery

Subjects: Radar equipment, systems and applications

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