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Chester Loggins Phones & Addresses

  • North Port, FL
  • 2478B Loma Linda St, Sarasota, FL 34239
  • Pfafftown, NC
  • 22024 Bataan Ave, Panama City Beach, FL 32413 (850) 230-5546 (850) 233-0982
  • Summerland, CA
  • Lynn Haven, FL
  • Santa Barbara, CA

Publications

Us Patents

Multiple Frequency Synthetic Aperture Sonar

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US Patent:
49531433, Aug 28, 1990
Filed:
Jan 12, 1981
Appl. No.:
6/237352
Inventors:
Francis J. Higgins - Panama City FL
Chester D. Loggins - Panama City FL
James T. Christoff - Panama City FL
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01S 1500
US Classification:
367 88
Abstract:
A dual frequency, synthetic aperture, sonar system includes a transmitter r projecting insonifying pings alternatively at first and second frequencies and a linear receiving array carried by a vehicle so as to receive returns from said pings. The first and second frequency returns are separated and subjected to processing in parallel channels where they are resolved into in-phase and quadrature components for subsequent phase-error correction, coherent addition, and synthetic aperture beamforming.
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