SAS Imaging and the Sea Surface Bounce Path

Abstract

Modeling and interpretation of SAS measurements taken during SAXO4 experiment in conducted near Panama City, Florida (fall 2004), is completed. Both data and simulation show how multipath interaction with the sea surface delivers the SAS transmit waveform roundtrip, and causes three time horizons for a single target located near the sea surface. The results shed light on the role of sea surface interaction in SAS methodologies whenever they are applied to: (1) long-range applications, e.g., over-the-horizon SAS (OTHSAS), or SAS Systems at Far Ranges and Severe Sites (SASSAFRASS); and (2) applications involving detection and imaging of near-surface targets.

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Document Details

Document Type
Technical Report
Publication Date
Jul 29, 2005
Accession Number
ADA436389

Entities

People

  • Peter Hans Dahl

Organizations

  • University of Washington

Tags

DTIC Thesaurus Topics

  • Acoustic Waves
  • Beam Forming
  • Detection
  • Dynamic Range
  • Forward Scattering
  • Physics
  • Physics Laboratories
  • Scattering
  • Security
  • Simulations
  • Slant Range
  • Sonar
  • Surface Targets
  • Synthetic Aperture Sonar
  • Targets
  • Universities
  • Waveforms

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