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Detection Based on Multiple Observations: Swerling Fluctuating Models

Detection Based on Multiple Observations: Swerling Fluctuating Models

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This chapter continues the study of detection based on multiple observations begun in Chapter 10. The same basic approach is now applied to the detection of fluctuating incoherent pulse trains. Fluctuating pulse trains occur often in practice. When a radar target consists of several relatively strong reflecting surfaces displaced from one another by the order of a wavelength, the amplitude and phase of the composite radar echo are sensitive to the spatial orientation of the target. If the target has relative motion with respect to the radar, such as translation, pitch, yaw, tumble, it presents a time varying radar cross section.

Chapter Contents:

  • 11.1 Introduction
  • 11.2 Scan-to-Scan Rayleigh Fluctuating Incoherent Pulse Train (Swerling I)
  • 11.3 Pulse-to-Pulse Rayleigh Fluctuating Incoherent Pulse Train (Swerling II)
  • 11.4 Scan-to-Scan One-Dominant-Plus-Rayleigh Fluctuating Incoherent Pulse Train (Swerling III)
  • 11.5 Pulse-to-Pulse One-Dominant-Plus-Rayleigh Fluctuating Incoherent Pulse Train (Swerling IV)
  • 11.6 Performance of Partially Correlated Fluctuating Pulse Trains
  • 11.7 Summary
  • Problems
  • References

Inspec keywords: radar detection; radar cross-sections

Other keywords: fluctuating incoherent pulse train detection; Swerling fluctuating model; yaw; composite radar echo phase; target spatial orientation; radar target; composite radar echo amplitude; relative motion; translation; reflecting surfaces; time-varying radar cross section; multiple-observation detection; pitch; tumble

Subjects: Radar theory; Signal detection

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