Automatic Detectors for Frequency-Agile Radars

Abstract

When frequency agility is used in radars, the received sidelobe jamming power can vary by as much as 20 dB even though the transmitted jamming power is constant over the radar bandwidth. Various detectors were compared using simulation techniques; the best detector was the ratio detector, which normalizes the received power on every pulse with the surrounding reference cells and then sums these normalized power ratios. In the presence of short- pulse interference, a low false-alarm rate can be maintained by soft-limiting of the individual power ratios.

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Document Details

Document Type
Technical Report
Publication Date
Apr 23, 1982
Accession Number
ADA114673

Entities

People

  • Gerard V. Trunk

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Antennas
  • Broadband
  • Cells
  • Detection
  • Detectors
  • False Alarms
  • Frequency
  • Frequency Agility
  • Integrators
  • Military Research
  • Noise
  • Probability
  • Pulse Compression
  • Radar
  • Random Variables
  • Simulations
  • Warning Systems

Fields of Study

  • Engineering
  • Physics

Readers

  • Radar Systems Engineering.