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http://dx.doi.org/10.5515/KJKIEES.2014.25.4.459

Feature Extraction and Classification of Target from Jet Engine Modulation Signal Using Frequency Masking  

Kim, Si-Ho (Agency for Defense Development)
Kim, Chan-Hong (Agency for Defense Development)
Chae, Dae-Young (Agency for Defense Development)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.25, no.4, 2014 , pp. 459-466 More about this Journal
Abstract
This paper deals with the method to classify the aircraft target by analyzing its JEM signal. We propose the method to classify the engine model by analyzing JEM spectrum using the harmonic frequency mask generated from the blade information of jet engine. The proposed method does not need the complicated logic algorithm to find the chopping frequency in each rotor stage and the pre-simulated engine spectrum DB used in the previous methods. In addition, we propose the method to estimate the precise spool rate and it reduces the error in estimating the number of blades or in calculating the harmonic frequency of frequency mask.
Keywords
JEM(Jet Engine Modulation); Target Classification; RTS(Radar Target Signature);
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  • Reference
1 Merrill I. Skolnik, Introduction to Radar Systems, 3rd Edition, McGraw-Hill, 2001.
2 Peter Tait, Introduction to Radar Target Recognition, IEE, 2005.
3 Mark R. Bell, Robert A. Grubbs, "JEM modeling and measurement for radar target identification", IEEE Transcations on Aerospace and Electronic Systems, vol. 29, no. 1, pp. 73-87, 1993.   DOI   ScienceOn
4 J. Martin, B. Mulgrew, "Analysis of the theoretical radar retrun signal from aircraft propeller blades", IEEE International Radar Conference, pp. 569-572, 1990.
5 J. Martin, B. Mulgrew, "Analysis of the effect of blade pitch on the retrun signal from rotating aircraft blades", IEE Radar 92 International Conference, Brighton, UK, pp. 446-449, 1992.
6 Chuangming Tone, et al., "Studies of modulation mechanism of jet engine modulation effect", IEEE Microwave Conference Proceedings, APMC 2005 Proceedings, vol. 3, 2005.
7 H. Lim, J. H. Yoo, C. H. Kim, K. I. Kwon, and N. H. Myung, "Radar cross section measurements of a realistic jet engine structure with rotating parts", Journal of Electromagnetic Waves and Applications, vol. 25, Issue 7, pp. 999-1008, 2011.   DOI   ScienceOn
8 J. Chadwick, G. L. Williams, "Air target identification-Concept to reality", Radar Systems, 2007 IET International Conference on, pp. 1-5, 2007.