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PLL synchronized time-varying constrained notch filter for retrieving a weak multiple sine signal jammed by FM interference.
Dov Wulich
Eugene I. Plotkin
M. N. S. Swamy
Wen Tong
Published in:
IEEE Trans. Signal Process. (1992)
Keyphrases
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high frequency
low pass
high pass
frequency domain
original signal
noise reduction
low pass filter
weak signal
information retrieval
feature extraction
signal processing
digital filters
noise ratio