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Comparison of Postdetection Correction of Short- and Long-Exposure Images Formed by Traditional and Multiaperture Observation Systems in a Turbulent Atmosphere

Atmospheric and Oceanic Optics volume 33, pages 578–583 (2020)Cite this article

Abstract

The efficiency of retrieval of images distorted by atmospheric turbulence formed by single- and multiaperture systems is analyzed. It is shown in numerical simulation that the use of multiaperture observation systems for computer correction of atmospheric distortions under anisoplanatism can significantly reduce the exposure time. The main distortions are well corrected when imaging for a short exposure time, which corresponds to the case of a “frozen” turbulent medium. Correction of residual small-scale distortions requires an-order-of-magnitude shorter time than in the case of long-exposure imaging with the use of common single-aperture observation systems.

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Funding

This work partially supported by the Russian Science Foundation (project no. 18-79-00179).

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  1. V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    V. V. Dudorov & A. S. Nasonova

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  1. V. V. Dudorov
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  2. A. S. Nasonova
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Correspondence to V. V. Dudorov or A. S. Nasonova.

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Dudorov, V.V., Nasonova, A.S. Comparison of Postdetection Correction of Short- and Long-Exposure Images Formed by Traditional and Multiaperture Observation Systems in a Turbulent Atmosphere. Atmos Ocean Opt 33, 578–583 (2020). https://doi.org/10.1134/S102485602006010X

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  • DOI: https://doi.org/10.1134/S102485602006010X

Keywords:

  • multiaperture system
  • turbulent atmosphere
  • incoherent image