HF Programmable Modem.

Abstract

This is the final report of a seven-month program beginning April 15, 1974 and ending approximately October 15, 1974 to design and fabricate two programmable signal processors with the necessary software to provide for real time operation of specific High Frequency Modem configuration. These configurations include: (a) Convential time-differential phase shift keyed modulation (TDPSK). (b) DEFT mode, using frequency differential phase shift keyed modulation (FDPSK). (c) CODEM mode, combined TDPSK with coding for error control and the use of soft decision decoding.

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Document Details

Document Type
Technical Report
Publication Date
Oct 15, 1974
Accession Number
ADA074321

Entities

Organizations

  • Sylvania Electric Products

Tags

Communities of Interest

  • Advanced Electronics
  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Computer Programming
  • Computers
  • Control Panels
  • Converters
  • Data Transmission
  • Decoding
  • Demodulation
  • Digital Data
  • Doppler Effect
  • Frequency Domain
  • Frequency Response
  • Integrated Circuits
  • Modulation
  • Modulators
  • Phase Transformations
  • Processing Equipment
  • Systems Engineering

Readers

  • Radio communications and signal processing.
  • Software Engineering
  • Technical Research and Report Writing.