Vol. 39

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2014-11-06

Automatic Target Recognition Using Jet Engine Modulation and Time-Frequency Transform

By Sang-Hong Park
Progress In Electromagnetics Research M, Vol. 39, 151-159, 2014
doi:10.2528/PIERM14100701

Abstract

We propose a method to recognize targets by using the signature of jet engine modulation (JEM) generated by the rotating blades in jet engines. The method combines time-frequency transform, 2-dimensional (2D) principal component analysis, and a nearest-neighbor classifier. In simulationsusing five propellers composed of isotropic point scatterers,the proposed method was insensitive to signal-to-noise SNR variation; this insensitivity wasa result of the effective 2D time-frequency feature and the noise suppression by the matchedfilter. In simulations using a reduced training database, the result was most sensitive to variation in the rotation velocity of the blades.

Citation


Sang-Hong Park, "Automatic Target Recognition Using Jet Engine Modulation and Time-Frequency Transform," Progress In Electromagnetics Research M, Vol. 39, 151-159, 2014.
doi:10.2528/PIERM14100701
http://www.jpier.org/PIERM/pier.php?paper=14100701

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