Advantage of Base-Line Redundancy in Sparse Apertures

Abstract

A general argument is presented to explain the dependence of observation-time T on sparseness f in observations with sparse apertures. For a system using a single observation, T approx. f(exp -3) while for a system using multiple observations, T approx. f(exp -2). When multiple observations are used, the optimum strategy is to maximize the redundancy of base-lines within each observation but to minimize the redundancy of base-lines between observations.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2000
Accession Number
ADA384541

Entities

People

  • F. Dyson

Organizations

  • MITRE Corporation

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Acquisition
  • Air Force
  • Base Lines
  • Brightness
  • Classification
  • Corporations
  • Figure Of Merit
  • Information Operations
  • Low Noise
  • Military Research
  • Navy
  • Noise
  • Observation
  • Redundancy
  • Submarine Warfare
  • Test And Evaluation

Readers

  • Astronomy/Astrophysics
  • Phased Array Antenna Design.
  • Research Science/Academic Research