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Browse Journals & Magazines > Signal Processing Letters, IE ...> Volume:18 Issue:4 Help

Using EMD-FrFT Filtering to Mitigate Very High Power Interference in Chirp Tracking Radars

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2 Author(s)
Elgamel, Sherif A. ; Dept. of Electron. & Electr. Eng., Univ. of Strathclyde, Glasgow, UK ; Soraghan, J.J.

This letter presents a new signal processing subsystem for conventional monopulse tracking radars that offers an improved solution to the problem of dealing with manmade high power interference (jamming). It is based on the hybrid use of empirical mode decomposition (EMD) and fractional Fourier transform (FrFT). EMD-FrFT filtering is carried out for complex noisy radar chirp signals to decrease the signal's noisy components. An improvement in the signal-to-noise ratio (SNR) of up to 18 dB for different target SNRs is achieved using the proposed EMD-FrFT algorithm.

Published in:
Signal Processing Letters, IEEE  (Volume:18 ,  Issue: 4 )

Date of Publication: April 2011

Page(s):
263 - 266
ISSN :
1070-9908
INSPEC Accession Number:
11831119
Digital Object Identifier :
10.1109/LSP.2011.2115239
Date of Publication :
17 February 2011
Date of Current Version :
28 February 2011
Issue Date :
April 2011
Sponsored by :
IEEE Signal Processing Society

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