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Antenna RCS and RCSR

Antenna RCS and RCSR

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The purpose of this chapter has been to present an overview of antenna RCS and its control. All investigators who deal with antenna RCS separate the signature into two components. One, the structural component, is that scattering which is independent of the fact that the object investigated is designed to be an antenna. The second component is the antenna mode scatter, whose character is directly related to the antenna pattern. However, there are a number of different definitions of what portion of the total return constitutes structural versus antenna mode scatter. Hansen has shown that the definitions are arbitrary, and because of its intuitive appeal, we have chosen to use one that defines the structural scatter as that seen when the antenna is terminated in a matched load.

Chapter Contents:

  • 10.1 Introduction
  • 10.2 Scattering Fundamentals
  • 10.2.1 A Relationship Between Antenna Gain and Antenna RCS
  • 10.2.2 Fundamental Antenna Scattering Equations
  • 10.2.3 Structural Mode and Antenna Mode Scattering
  • 10.2.4 The Minimum Scattering Antenna
  • 10.3 Antenna Scattering Characteristics
  • 10.3.1 Horn Antennas
  • 10.3.2 Reflector Antennas
  • 10.3.3 Spiral Antennas
  • 10.3.4 Microstrip Antennas
  • 10.3.5 Array Antennas
  • 10.4 Antenna RCSR
  • 10.4.1 Frequency-Selective Surfaces
  • 10.4.2 Antenna Mode RCSR
  • 10.4.3 Structural Mode RCSR
  • 10.5 Summary
  • References

Inspec keywords: electromagnetic wave scattering; radar cross-sections; radar antennas

Other keywords: antenna mode scatter pattern; structural component; RCSR; antenna RCS; radar scattering; load matching

Subjects: Single antennas; Radar equipment, systems and applications; Electromagnetic wave propagation

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