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Target Tracking While Jamming by Airborne Radar for Low Probability of Detection.

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Summary

Advanced stealth aircraft use power minimization for low probability of detection (LPD). This study proposes an interference tactic to maintain LPD for airborne radar against passive detection systems (PDS).

Keywords:
constant false alarm rate (CFAR)jamminglow probability of detection (LPD)passive detection system (PDS)tracking

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Area of Science:

  • Aerospace Engineering
  • Electronic Warfare
  • Signal Processing

Background:

  • Minimizing radiation power is crucial for stealth aircraft's low probability of detection (LPD) against passive detection systems (PDS).
  • Limitations exist when PDS performance advances, necessitating alternative tactics.
  • Target tracking scenarios require maintaining LPD for airborne radar.

Purpose of the Study:

  • To propose an interference tactic for airborne radar to maintain LPD in target tracking scenarios.
  • To develop a mathematical model for minimizing airborne jammer interference power.
  • To ensure interference does not disrupt target tracking.

Main Methods:

  • Minimizing airborne radar radiation power based on radar-target distance.
  • Minimizing airborne jammer radiation power based on predicted PDS detection probability.
  • Analyzing Constant False Alarm Rate (CFAR) technologies (Cell Average, Greatest of, Smallest of, Ordered Statistic) in PDS.
  • Establishing a mathematical model considering detection probabilities and time synchronization to minimize jammer interference power.

Main Results:

  • The proposed interference tactic effectively keeps airborne radar in an LPD state.
  • The mathematical model successfully minimizes airborne jammer interference power.
  • Simulation results validate the effectiveness of the proposed model in avoiding interference with target tracking.

Conclusions:

  • The developed interference tactic is effective for maintaining airborne radar's LPD against advanced PDS.
  • The mathematical model provides a method to optimize jammer power while preserving target tracking.
  • This approach enhances stealth capabilities in complex electronic warfare environments.