Multichannel Sonar Recorder Design Problems and Alternatives.

Abstract

This study discusses the general arrangement of a recorder/reproducer in a sonar system for training purposes. The present day major recorder/reproducer problem is discussed. The characteristic of generalized underwater spectral signatures, the rates of sound attenuation underwater, and human ear response are related. Recording concepts, film and tape recording mediums, and recording methods are considered. A comparison is made between magnetic vs electro-optical recording and multiplexed wideband single track recording vs low frequency parallel track recording. A possible 450 track, 10 kHz bandpass parallel track electro-optical recorder/reproducer is proposed using optical fibers, light emitting diodes, PIN photo diodes and photographic recording film. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 28, 1970
Accession Number
AD0900341

Entities

People

  • John C. Mckechnie

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Attenuation
  • Diodes
  • Electronic Recording Systems
  • Fibers
  • Frequency
  • Light Emitting Diodes
  • Multichannel
  • Optical Fibers
  • Recording Systems
  • Tape Recording
  • Tapes
  • Training

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Optical Physics and Photonics.
  • Sensor Fusion and Tracking Systems.