Pixel-averaging the beam matrix suppresses sub-pixel aliasing in all-sky synthesis imaging for the lunar orbit DSL array, but polar regions remain biased and the regularization parameter must be tuned per frequency.
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Synthesis imaging with a lunar orbit array: I. global sky map and its systematics
Pixel-averaging the beam matrix suppresses sub-pixel aliasing in all-sky synthesis imaging for the lunar orbit DSL array, but polar regions remain biased and the regularization parameter must be tuned per frequency.