Multistatic tracking for passive radar applications

Multistatic tracking for passive radar applications

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Bistatic and passive radar systems enjoy various advantages, which have been discussed in detail in Part III of Volume 1 of this book. Multistatic configurations, where multiple transmitters (Txs) and/or multiple receivers (Rxs) are located separately, are of particular importance in this context. They provide detection of a target from different aspect angles. Furthermore, the fusion of the measurements from different Tx/Rx pairs can be used to overcome the low quality of a single measurement. Associating measurements of the same target from different Tx/Rx combinations (i.e. multi-sensor association), as well as improving the target state estimate over time belongs to the tasks of target tracking. In this chapter, the tracking task is discussed for different passive radar systems. Solutions based on multiple hypothesis-tracking techniques are proposed and tested.

Chapter Contents:

  • Abstract
  • 11.1 Introduction
  • 11.2 Measurement model
  • 11.2.1 Modelling of the bistatic measurement accuracy
  • 11.3 General methodology for target tracking
  • 11.3.1 Estimation task
  • Theoretical performance bounds
  • 11.3.2 Association task
  • Scenario with frequency diversity
  • Example
  • Scenario with single-frequency property
  • Example
  • 11.4 Principle of multiple hypothesis tracking
  • 11.4.1 Single-target tracks
  • 11.4.2 Track extraction and track termination
  • 11.4.3 Evaluation of multi-target/multi-sensor hypotheses
  • 11.5 Multi-sensor fusion strategies
  • 11.6 Simulation study
  • 11.6.1 Tracking results for scenario with frequency diversity
  • Comparison: track extraction time
  • Comparison: estimation accuracy
  • Comparison: false track rate
  • 11.6.2 Tracking results for scenario with single-frequency property
  • 11.7 Application to GSM passive radar
  • 11.7.1 Receiver and data processing
  • Parameter accuracies
  • 11.7.2 Scenario description
  • 11.7.3 Performance analysis on real data
  • 11.7.4 Tracking results
  • 11.8 Summary
  • References

Inspec keywords: radar detection; object detection; passive radar; radar transmitters; radar tracking; target tracking; radar receivers; state estimation

Other keywords: Tx; passive radar application; multiple receiver; multiple transmitter; bistatic radar system; multistatic tracking; target state estimation; target tracking; multiple hypothesis-tracking technique; Rx; target detection

Subjects: Signal detection; Radar equipment, systems and applications

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