CHOICE OF SIGNAL PARAMETERS FOR ACCENTUATION OF CLASSIFICATION CLUES BASED UPON SUBMARINE HULL-WAKE CHARACTERISTICS.

Abstract

This document is an excerpt from the final report now in preparation under this contract. While it covers the choice of pulse forms for classification in a general way, it also addresses itself to the question of the relative value in obtaining highlight detail of short CW pulses and wide-band, long pulses, such as the linear FM sweep. Two points are made: (1) with a short CW pulse a single sampling of the echo structure in a single sample of noise is obtained; and (2) with a long FM sweep an independent sampling of the echo is observed in a new sample of background every 1/B seconds, where B is at least as large as the bandwidth of the transmitted pulse. In order to obtain 'clean' highlight details with a short pulse, either good signal-to-noise ratios must be available or a number minimize the effects of the background.

Document Details

Document Type
Technical Report
Publication Date
Sep 24, 1965
Accession Number
AD0371524

Entities

Organizations

  • Tracor

Tags

DTIC Thesaurus Topics

  • Bandwidth
  • Bulkheads
  • Classification
  • Contracts
  • Naval Vessels
  • Naval Vessels (Combatant)
  • Sampling
  • Ships
  • Submarine Hulls
  • Submarines
  • Underwater Vehicles
  • Vehicles
  • Walls

Fields of Study

  • Physics

Readers

  • Business Analytics
  • Radar Systems Engineering.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.