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Sensors 2018, 18(9), 2903; https://doi.org/10.3390/s18092903

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

1,†,* , 1,†
,
1,†
and
2,†
1
Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
2
Institute of Sensors, Signals and Systems, Heriot-Watt University, EH14 4AS Edinburgh, UK
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 30 June 2018 / Revised: 20 August 2018 / Accepted: 21 August 2018 / Published: 1 September 2018
(This article belongs to the Section Sensor Networks)
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Abstract

Although radiation power minimization is the most important method for an advanced stealth aircraft to achieve the low probability of detection (LPD) performance against the opposite passive detection system (PDS), it is not always effective when the performance of PDS is advanced. In a target tracking scenario, an interference tactic is proposed in this paper to keep the airborne radar in an LPD state. Firstly, this paper introduces the minimization radiation power design of airborne radar based on the distance between the radar and the target, and introduces the minimization radiation power design of the airborne jammer based on the predicted detection probability of the opposite PDS. Then, after consulting the most commonly used constant false alarm rate (CFAR) technologies in passive detection systems, including the cell average CFAR, the greatest of CFAR, the smallest of CFAR and the ordered statistic CFAR, this paper analyzes their relationships and points out the way of interference. Finally, based on the constraints, not only including the predicted detection probabilities of airborne radar and opposite PDS, respectively, but also including the time synchronization which is necessary to avoid the leaked interference power generated by airborne jammer jamming the airborne radar echoes from the target, this paper establishes a math model to minimize the total interference power of airborne jammer without interfering target tracking. Simulation results show that the proposed model is effective. View Full-Text
Keywords: low probability of detection (LPD); tracking; jamming; passive detection system (PDS); constant false alarm rate (CFAR) low probability of detection (LPD); tracking; jamming; passive detection system (PDS); constant false alarm rate (CFAR)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Wang, F.; Cong, X.-B.; Shi, C.-G.; Sellathurai, M. Target Tracking While Jamming by Airborne Radar for Low Probability of Detection. Sensors 2018, 18, 2903.

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