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Symposium on Tactical Oceanography Naval Postgraduate School, Monterey, California, 12-15 March 1990 (1991) / Chapter Skim
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Introduction
Pages 1-2

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From page 1...
... New Soviet submarines, when moving slowly, transmit less sound than their predecessors. It is noteworthy that, despite the Soviet shift to a defensive strategy and their overall reduction of military force, their submarine construction program continues at a pace several times faster than that of the United States.
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From page 2...
... The principal objective has been to maximize the signal to noise ratio of steacly narrow band signals. Receiver arrays placed on ship hulls, towed arrays, and sonobuoys released from ships or aircraft all shared these characteristics, with optimal band widths ranging from ten to a few hundred Hz.
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Key Terms

  • acoustic signatures
  • frequency active
  • submarine design
  • acoustic quieting
  • foreign submarines

  • dramatic change
  • military force
  • arrays placed
  • unique characteristics
  • frequency bands

  • widths ranging
  • overall reduction
  • traditional approach
  • homing torpedoes
  • frequency passive

  • engineering techniques
  • rapidly altered
  • improved environmental
  • principal asw
  • spectrum detection

  • help operators
  • soviet shift
  • primary means
  • asw objective
  • symposium emphasized

  • submarine construction
  • applied straightforward
  • speakers identified
  • asw effectiveness
  • practice asw


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