Title: Correction of spatial non-uniformities in sonar, radar, and holographic acoustic imaging systems

Abstract: An improved method and apparatus for processing electronic signals for use n establishing an improved image display includes storing the electronic and acoustic response of all the detectors in response to impingement thereon by a plane wave-front as stored in a memory. In the operational environment, these stored signals are combined with the transducer response and the signals are combined in such a fashion as to compensate for spatial nonuniformities.

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Inventors: Booth, Newell O. (San Diego, CA, US)
Saltzer, Benjamin A. (San Diego, CA, US)
Thorn, James V. (San Diego, CA, US)
Sutton, Jerry L. (San Diego, CA, US)

Application Number: 496599
Filing Date: 1974-08-12
Publication_date: 1976-03-02
Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC)
Primary Class(es): 367/8 342/179, 367/11, 367/12, 367/13, 367/901
Other Classes:
US Patent Ref:

3852709

Dec, 1974

Mueller

340/15.

Other Refs:
Primary Examiner: Farley, Richard A.
Assistant Examiner:
Attorney: Sciascia; Richard S., Johnston; Ervin F., Skeer; William T.