Parametric beam-steering technique for acoustic waves with applications to signal processing

14 January 1971

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 7 (1) , 14-16
https://doi.org/10.1049/el:19710011

Abstract

It is predicted that two acoustic waves crossing at right angles in a suitably dispersive nonlinear medium will generate a sum-frequency beam in a direction determined by the ratio of their frequencies. This phenomenon makes possible new switching, variable-delay, filtering and correlation devices.

Keywords

FILTERING DEVICES
CORRELATION DEVICES
PARAMETRIC BEAM STEERING TECHNIQUE
ACOUSTIC WAVES
VARIABLE DELAY DEVICES
SWITCHING DEVICES
SIGNAL PROCESSING

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