Adaptive Antenna Systems

Abstract

The basic principles of adaptive antenna systems are reviewed. Special attention is given to the sidelobe canceller--the prototype and classic example of adaptive antenna systems. The operation of the sidelobe canceller is interpreted in terms of noise cancelling and adaptive null steering. The classical theory of adaptive elements is developed. Tapped-delay-line and frequency-domain array-processing filters are discussed. The signal-to-noise ratio and the mean-square-error performance criteria are distinguished. The general theory of adaptive noise cancelling is linked to the sidelobe canceller, the classical theory of adaptive elements, and the adaptive notch filter. An adaptive antenna system is derived from the constrained minimum power criterion, which limits the cancellation of the desired signal. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1979
Accession Number
ADA082999

Entities

People

  • Don J. Torrieri

Tags

Communities of Interest

  • Electronic Warfare
  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Adaptive Systems
  • Algorithms
  • Antennas
  • Beam Forming
  • Beam Steering
  • Complex Variables
  • Counter Countermeasures
  • Delay Lines
  • Electronic Warfare
  • Filters
  • Frequency
  • Frequency Domain
  • Mathematical Analysis
  • Maximum Likelihood Estimation
  • Notch Filters
  • Radiation Patterns
  • Stationary Processes

Fields of Study

  • Engineering

Readers

  • Phased Array Antenna Design.
  • Theoretical Analysis.