Accession Number : ADD006238

Title :   Acoustic-Optic Technique for Processing Many Signals Simultaneously.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Berg,Norman J ; Karam,James T , Jr

Report Date : 07 Nov 1978

Pagination or Media Count : 8

Abstract : This patent discloses an acousto-optic apparatus utilizing multiplexing techniques, for obtaining the correlation of N pairs of signals. First and second sets of signals are combined in a piezoelectric crystal, and each signal in the first set is correlated only with its pair signal in the second set, that is, with the signal in the second set which has the same R.F. frequency. Each signal is a composite signal comprised of an envelope modulating an R.F. signal, and when a laser beam is directed across the interaction area of the crystal and directed onto a square law detector, the correlation of the envelopes of the N pairs of signals is obtained. (Author)

Descriptors :   *Patents, *Acoustic signals, *Optical processing, Acoustooptics, Signal processing, Multiplexing, Convolution, Radiofrequency, Optical correlators, Electroacoustic transducers

Subject Categories : Acoustic Detection and Detectors
      Optical Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE