Equalization of Numerically Calculated Element Patterns for Root-Based Direction Finding Algorithms

Abstract

Root-based direction finding algorithms (DF) have several advantages over search-based DF algorithms. A key advantage is the fact that they do not require the array steering vector; this is because these algorithms presume equalized element radiation patterns. In this paper, the WIPL-D code is used in designing an array of rectangular probe-fed patch antennas with equalized radiation patterns for measuring the range and bearing of RF emitters in the PCS band (1900-1920 MHz). Direction of arrival (DoA) estimation results based on simulations and measured data are presented and used as a measure of element patterns deviation from equality.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2005
Accession Number
ADA447460

Entities

People

  • Hossam A. Abdallah
  • Ivica Kopriva
  • Wasyl Wasylkiwskyj

Organizations

  • George Washington University

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Algorithms
  • Antenna Arrays
  • Antennas
  • Arrays
  • Direction Finding
  • Engineering
  • Equalization
  • Frequency
  • Frequency Bands
  • Linear Arrays
  • Radiation Patterns
  • Resonant Frequency
  • Signal Processing
  • Simulations
  • Steering

Fields of Study

  • Engineering

Readers

  • Computational Modeling and Simulation
  • Phased Array Antenna Design.