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Proceedings Paper

The effectiveness of the jammer signal characteristics on conical-scan systems
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Paper Abstract

Being passive systems and due to their proliferation to many regions in the world, the infrared (IR) guided missiles constitute probably the most dangerous threats for the aircraft platforms. Early generation surface-to-air and air-to-air IRguided missiles use reticle-based seekers. One of the IR countermeasure (IRCM) techniques for protecting aircraft platforms against these type of threats is to use a modulated jamming signal. Optimizing the parameters of the modulation is the most important issue for an effective protection. If the required characteristic is not satisfied, jamming may not be successful for protecting the aircraft. There are several parameters to define the jammer signal (modulation) characteristic. Optimizing them requires a good understanding of threat seekers’ operating principles. In the present paper, we consider protection of a helicopter platform against conical-scan reticle based seeker systems and investigate the effect of the jammer signal modulation parameters on jamming performance via extensive batch simulations. The simulations are performed in a MATLAB-coded simulator which models reticle-based conical-scan seeker, aircraft radiation, aircraft motion and jammer system on the aircraft. The results show that if the properties of the jammer signal are similar to those of the reticle-modulated signal in the missile, the jamming can be successful. Otherwise, applied jamming may not deceive the threat seeker.

Paper Details

Date Published: 22 May 2015
PDF: 15 pages
Proc. SPIE 9478, Modeling and Simulation for Defense Systems and Applications X, 947805 (22 May 2015); doi: 10.1117/12.2177879
Show Author Affiliations
Mehmet C. Şahingil, TÜBİTAK BİLGEM İLTAREN (Turkey)
Murat Ş. Aslan, TÜBİTAK BİLGEM İLTAREN (Turkey)


Published in SPIE Proceedings Vol. 9478:
Modeling and Simulation for Defense Systems and Applications X
Eric J. Kelmelis, Editor(s)

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