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Optimal sparse apertures for phased-array imaging
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DOI：10.1364/OL.43.004655.png)
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Abstract
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A key issue in a sparse-aperture imaging system is the relative arrangement of apertures, or aperture configuration. Transposing previous works into a discrete setting, we perform a systematic search for maximal-resolution configurations with 9 to 21 apertures. From the catalog of found solutions, we derive a procedure to simply optimize the main free parameters of the aperture from high-level constraints, such as the sought resolution and the minimum MTF level or the fill-factor. (C) 2018 Optical Society of America
Keywords:
HIGH-RESOLUTION
CONFIGURATION
TELESCOPES
DESIGN
TIME
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