NDLI: Recognition of radar signals by time

Content Provider	IEEE Xplore Digital Library
Author	Swiercz, Ewa
Copyright Year	2006
Description	Author affiliation: Bialystok Technical University, Wiejska 45D, 15-351 Bialystok, POLAND. email: ewasw@pb.bialystok.pl (Swiercz, Ewa)
Abstract	In this paper the recognition of radar signals by the time - frequency peak filtering (TFPF) is considered. The term recognition in this case can be understood as the reconstruction of signal waveform from observations corrupted by additive noise. Time - frequency peak filtering method (TFPF) is based on encoding of the noisy signal as the instantaneous frequency (IF) of a unit amplitude frequency modulated (FM) analytic signal. Estimation of the IF encoded signal, performed by taking the peak of the pseudo Wigner - Ville distribution (WVD), allows to get the estimation of signal waveform. It is shown that the length of the window of the pseudo Wigner - Ville distribution has a great significance for the accuracy of the TFTP algorithm. The performance of the pseudo WVD TFPF is assessed on the real radar signal. It is showed Nearly clear reconstruction of the signal in the low SNR ratio is presented in this paper.
Starting Page	1
Ending Page	4
File Size	365919
Page Count	4
File Format	PDF
ISBN	9788372076212
DOI	10.1109/IRS.2006.4338105
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-24
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Politechnika Warszawska Institute of Electronic Systems, Warsaw University of Technology
Subject Keyword	Additive noise Frequency modulation Filtering Radar Frequency shift keying Amplitude modulation Encoding Signal analysis Equations Signal to noise ratio
Content Type	Text
Resource Type	Article

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