On Obtaining Constant False Alarm Probability in HF Atmospheric Noise.

Abstract

D MASSOn Obtaining Constant False Alarm Probability in HF Atmospheric Noise.Technical rept.,Weiss,M. R. ;MITR-2414F19628-71-C-0002Mitre-4140ESDTR-72-329(*radar clutter, atmospherics), (*radar targets, target discrimination), high frequency, signal-to-noise ratio, probability density functions, statistical analysislognormal density functions, maximum likelihood estimationThe problem of obtaining constant false alarm probability in the presence of atmospheric noise is considered. By comparison with measured data an atmospheric noise model is defined. It is shown that this particular model is suited to a relatively simple Constant False Alarm Rate(CFAR) technique. This CFAR technique uses an adaptive threshold related to the maximum likelihood estimate of the unknown noise power. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1972
Accession Number
AD0756842

Entities

People

  • M. R. Weiss

Organizations

  • MITRE Corporation

Tags

DTIC Thesaurus Topics

  • Atmospherics
  • Clutter
  • Detectors
  • Discrimination
  • False Alarms
  • Frequency
  • Mathematics
  • Probability
  • Probability Density Functions
  • Radar Clutter
  • Radar Targets
  • Target Discrimination
  • Targets
  • Warning Systems

Readers

  • Radar Systems Engineering.
  • Statistical inference.