Radar emission spectrum engineering

Radar emission spectrum engineering

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The spectral containment of active radar emissions is of growing concern due to continued erosion of allocated radar spectrum and the increasing congestion driven by consumer demand for bandwidth-gluttonous wireless video applications. Strict new emission requirements are forcing the careful consideration of how to achieve radar spectral containment within the context of the ever-present pressure for enhanced sensing performance. It is thus imperative that a holistic perspective be taken that addresses the characteristics of the physical signal launched from the radar, inclusive of electromagnetics, systems engineering and signal processing attributes. This chapter introduces recent developments on the design and implementation of physical radar waveforms for spectral containment, including experimental results for various new emission schemes.

Chapter Contents:

  • Abstract
  • 1.1 Introduction
  • 1.2 Polyphase-coded FM
  • 1.2.1 PCFM implementation
  • 1.2.2 PCFM optimization
  • 1.2.3 Optimizing physical radar emissions
  • 1.2.4 Further expansion of design freedom
  • 1.3 LINC-optimized waveforms
  • 1.4 Spectrally shaped optimization
  • 1.4.1 Ultra-low sidelobe emissions
  • 1.4.2 Non-recurrent nonlinear FMCW emissions
  • 1.4.3 Hopped spectral gaps
  • 1.5 Conclusions
  • References

Inspec keywords: radar signal processing; radar receivers; sensors

Other keywords: radar spectral containment; bandwidth-gluttonous wireless video application; signal processing; enhanced sensing performance; systems engineering; active radar emission spectrum engineering; electromagnetics; radar spectrum allocation

Subjects: Sensing devices and transducers; Radar equipment, systems and applications; Signal processing and detection

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