DocumentCode
1238522
Title
Spectrum Clipping
Author
Jackson, Darrell R. ; Olinski, Paul J.
Author_Institution
Norman Bridge Lab. of Physics, California Institute of Tech., Pasadena, CA
Volume
22
Issue
1
fYear
1974
fDate
1/1/1974 12:00:00 AM
Firstpage
38
Lastpage
45
Abstract
A new signal-processing technique, spectrum clipping, has been investigated. The spectrum clipper is a passive two-port nonlinear circuit that employs parametric excitation of vibrational modes in a magnetoelastic crystal. Spectrum clipping can be considered as a means of recovering periodic and nearly periodic signals from noise. signal-to-noise ratio (SNR) improvements of up to 30 dB are predicted, the largest improvement occuring for simple sinusoidal signals. Preliminary theoretical and experimental results suggest that spectrum clipping may conceivably provide a low-cost method of interference reduction for domestic communications systems.
Keywords
Limiting; Magnetoelastic devices; Nonlinear filtering; YIG filters; Bandwidth; Circuit noise; Frequency; Insertion loss; Interference; Magnetic resonance; Nonlinear circuits; Signal to noise ratio; Spectral analysis; Voltage;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOM.1974.1092069
Filename
1092069
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