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Electromagnetics

Detection and Mapping of Underground Structures

  • Electromagnetic measurements can use both active and passive techniques.
  • For passive measurements, the sources are: earth’s magnetic field (0 Hz); fluctuations in earth’s field (> 0 Hz); controlled sources (HAARP; > 0 Hz to 1 KHz, Wisconsin Facility); VLF Stations (> 10’s of KHz); sources associated with targets.
  • For active measurements, the sources could be airborne, on the surface of the earth, or buried.
  • Detection and mapping for each of these techniques can be performed using electromagnetic sensors.
  • Numerical modeling using FEM can be performed to provide unambiguous answers to the: range of measurements, depth of target, stand-off distance, mapping accuracies, effects of different ground, effects of different frequencies and effects of different sources.
  • CRS has unique modeling capabilities to provide these answers

R&D

  • Advanced Navigation Systems
  • Radio & Radar Engineering
  • Electromagnetics
  • Signal & Image Processing
  • Surveillance
  • Space Weather & Physics
  • Computer Systems & Software
  • Electrical Engineering
  • Microwave/Material Science
  • Instrumentation

Available Products

  • Antenna and Electromagnetic Modeling Capabilities
  • Modified NEC
  • Detection and Mapping of Underground Structures
  • Electromagnetic Modeling for Underground Objects
  • Plasma Antenna
  • EM Modeling S/W Development

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