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http://dx.doi.org/10.6109/jkiice.2013.17.9.1986

ELINT Intra-pulse Modulation Recognition using Fuzzy Algorithm  

Kim, Young-Min (Agency for Defense Development)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.17, no.9, 2013 , pp. 1986-1995 More about this Journal
Abstract
The ELINT system which derives intelligence from electromagnetic radiations plays an important role in modern electric warfares. Among radar characteristics inferred from the signals, intra-pulse modulation scheme is a useful feature to identify modern radars. This paper proposes the method to classify intra-pulse modulation schemes such as UM, PSK, BFSK, QFSK, LFM and NLFM based on the fuzzy algorithm. The proposed method defines fuzzy membership functions to characterize input signals, and then it calculates accordance rates for each modulation scheme with fuzzy inference rules. The experimental results show that the probability of correct recognition is more than 95% for SNR > 10dB.
Keywords
ELINT; Radar Signals; Intra-pulse Modulation;
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