Simulated bi-SQUID Arrays Performing Direction Finding

Abstract

One of the High Temperature Superconductor (HTS) bi-Superconducting Quantum Interference Device (SQUID) Array Fractional Wavelength Baseline Determination and Design Study team s goal was to determine whether the raw simulated output from an array of bi-superconducting quantum interference devices (bi-SQUIDs) could perform direction-finding (DF) tasks such as the angle of arrival (AoA), elevation, and polarization. First, we applied the multiple signal classification (MUSIC) algorithm on linearly polarized signals. We included multiple signals in the output both of the same frequency and different frequencies. Next, we explored a modified MUSIC algorithm called dimensionality reduction MUSIC (DR- MUSIC), which can handle elliptical or circular polarizations. Finally, we explored the six-element Poynting vector method.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2015
Accession Number
ADA627112

Entities

People

  • Anna L. De Escobar
  • Benjamin Taylor
  • Daniel Hallman
  • Susan Berggren
  • Thomas Sheffield

Organizations

  • Naval Information Warfare Systems Command

Tags

DTIC Thesaurus Topics

  • Algorithms
  • Angle Of Arrival
  • Circular Polarization
  • Detection
  • Detectors
  • Dimensionality Reduction
  • Direction Finding
  • Electric Fields
  • Equations
  • Frequency
  • Josephson Junctions
  • Magnetic Fields
  • Magnetometers
  • Polarization
  • Simulations
  • Superconductors
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Phased Array Antenna Design.

Technology Areas

  • Quantum Computing