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Identification of FSK radar modulation
- Authors
- Lim, H.-Y.; You, K.-J.; Shin, H.-C.
- Issue Date
- Feb-2017
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Electronic warfare; Frequency shift keying; Radar modulation
- Citation
- Transactions of the Korean Institute of Electrical Engineers, v.66, no.2, pp.425 - 430
- Volume
- 66
- Number
- 2
- Start Page
- 425
- End Page
- 430
- ISSN
- 1975-8359
- Abstract
- This paper presents a novel method for identification of FSK modulated radar signal. Three features which measure the number of frequency tones, the regularity of the frequency shifting, and the diversity of power spectrum of detected radar signal, are introduced. A Two-step combined maximum likelihood classifier was used to identify the details of the detected FSK signal; the modulation order and the use of Costas code. We attempted to divide FSK signal into binary FSK, ternary FSK, 8-ary FSK, and FSK with Costas code of length 7. The simulation results indicated that the proposed methods achieves an averaged identification accuracy was 99.93% at a signal-to-noise of 0 dB. © The Korean Institute of Electrical Engineers.
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Related Researcher
- Shin, Hyun Chool
- College of Information Technology (Major in Electronic Engineering)