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Proceedings Article

Concept of field-to-resolution ratio in aperture synthesis

[+] Author Affiliations
Andre Lannes, Eric Anterrieu, Laurent Koechlin, Geraldine Fitoussi

Observatoire Midi Pyrenees (France)

Proc. SPIE 2209, Space Optics 1994: Earth Observation and Astronomy, 402 (September 13, 1994); doi:10.1117/12.185273
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From Conference Volume 2209

  • Space Optics 1994: Earth Observation and Astronomy
  • Guy Cerutti-Maori; Philippe Roussel
  • Garmisch-Partenkirchen, Germany | April 01, 1994

abstract

The analysis of the imaging properties of an interferometric device essentially depends on the parameters that govern the Fourier synthesis operation: extension and density of the experimental frequency coverage (resolution, field, robustness), size and nature of the input errors (input data for the study of the error propagation). Among these parameters, the Field- to-Resolution Ratio (FRR) proves to play a key role, in particular, for array configuration optimization: the number of contiguous elements that can be resolved in the synthesized field is bounded by (FRR). The robustness of the corresponding reconstruction process is of course involved in the precise definition of this concept. The corresponding analysis is based on a new method of Fourier synthesis (WIPE), in which all these aspects are clearly specified (WIPE reminds of CLEAN, a well-known deconvolution technique in astronomy).

© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Andre Lannes ; Eric Anterrieu ; Laurent Koechlin and Geraldine Fitoussi
"Concept of field-to-resolution ratio in aperture synthesis", Proc. SPIE 2209, Space Optics 1994: Earth Observation and Astronomy, 402 (September 13, 1994); doi:10.1117/12.185273; http://dx.doi.org/10.1117/12.185273


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