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- W1968344972 abstract "The sensitivity of a gamma-ray coded aperture telescope has been studied in order to investigate the trade-off between angular resolution and the reconstructed image signal to noise ratio (SNR) that occurs when a discrete pixel detector is used. Without fine sampling of the coded mask by the detector plane, the reconstructed SNR is seriously compromised if the source under observation lies close to sky pixel boundaries, falling to as low as 25% of the maximum SNR. Fine sampling partially restores the image SNR, but at the expense of the telescope angular resolution. However, it is shown that the use of a non-integer fine sampling value, for example 1.5 × 1.5 detector pixels per mask element, can be used to achieve high image SNR whilst retaining good angular resolution." @default.
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- W1968344972 date "1994-07-01" @default.
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- W1968344972 title "An improved sampling configuration for a coded aperture telescope" @default.
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- W1968344972 doi "https://doi.org/10.1016/0168-9002(94)90518-5" @default.
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