Revolutionizing Doppler Radar With RF-Photonics

Abstract

We will discuss how to fundamentally improve radar systems by using RF-photonics in two ways: 1). Using a fiber-optic recirculation loop based interferoceiver to realize true correlation. It is an optimum extra-wideband radar receiver capable of measuring Doppler beating with a single pulse. Thsi eliminates Doppler range ambiguity. In addition, micro-Doppler signatures of any target become clearly recognizable for passive identification to prevent fratricide. 2). Further reduce the phase noise in an ultra-low-phase-noise opto-electronic oscillator (OEO) by eliminating RF amplifiers in the OEO loop to meet the requirement for low-speed Doppler detection and week signal detection.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2006
Accession Number
ADA481846

Entities

People

  • Michael Stead
  • Ming-chiang Li
  • Olukayode Okusaga
  • Weimin Zhou

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Abstracts
  • Amplifiers
  • Detection
  • Doppler Effect
  • Doppler Radar
  • Frequency
  • Lasers
  • Optical Fibers
  • Optical Modulators
  • Oscillators
  • Photonics
  • Radar
  • Radar Receivers
  • Radio Frequency Amplifiers
  • Radio Frequency Pulses
  • Signal Detection
  • Signal Processing

Fields of Study

  • Physics

Readers

  • Integrated Circuit Design and Technology.
  • Military History / Militaries and War Studies
  • Radar Systems Engineering.

Technology Areas

  • Microelectronics
  • Microelectronics - Microelectromechanical Systems