Analysis of jet engine modulation effect with extended Hilbert‐Huang transform | Zendy

Park J.H. | Zendy; Lim H. | Zendy; Myung N.H. | Zendy

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Analysis of jet engine modulation effect with extended Hilbert‐Huang transform

Author(s) -

Park J.H.,

Lim H.,

Myung N.H.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2012.3579

Subject(s) - modulation (music) , jet (fluid) , jet engine , hilbert transform , electronic engineering , physics , computer science , mathematics , acoustics , control theory (sociology) , engineering , mechanics , mechanical engineering , telecommunications , artificial intelligence , spectral density , control (management)

The jet engine modulation (JEM) effect is widely used for radar target identification. The Hilbert‐Huang transform (HHT), a high‐resolution time‐frequency technique, is extended in order to make an effective JEM analysis. The simulation and measurement results show that the extended HHT not only extracts jet engine features but also definitely exhibits sinusoidal waveforms of rotation‐induced micro‐Doppler signatures. It also has better applicability for signatures corrupted by noise than other conventional time‐frequency techniques.

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