Measurement Results of an Affordable Hybrid Phased Array Using a Radant Lens

Abstract

An affordable phased array for a ship self-defense experimental engagement radar is described. The array used a hybrid approach by combining a slotted waveguide array with phase shifters at each column to provide scanning in the azimuth plane and a Radant lens placed in front of the slotted array to provide independent scanning in the elevation plane. The approach avoids using a phase shifter or a T/R module behind each radiating element and simplifies beam steering using row-column controls which reduce the phased array cost. The production cost of the proposed array is estimated to be less than one-third the cost of a similar sized array using a phase shifter or T/R module behind each radiating element. Recently, a 4' x 8' Radant lens was procured from Radant Technologies, Inc. and placed in front of the existing (modified AN/TPQ-36) phased array. This paper reports on the results of this hybrid array.

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Document Details

Document Type
Technical Report
Publication Date
May 15, 2000
Accession Number
ADA377694

Entities

People

  • J. B. Evins
  • J. B. Rao
  • J. Valenzi
  • M. Parent
  • S. M. Brockett

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Anechoic Chambers
  • Antennas
  • Arrays
  • Beam Steering
  • Elevation
  • Measurement
  • Military Research
  • Phase Shift
  • Phased Arrays
  • Production
  • Radar
  • Scanning
  • Steering
  • Test Facilities
  • Transmission Lines
  • Two Dimensional
  • Waveguides

Fields of Study

  • Physics

Readers

  • Phased Array Antenna Design.