You know what it looks like… but what is it called?
TAKE THE QUIZ“synthetic aperture”
We have one entry that includes the term synthetic aperture.
synthetic aperture radar
noun: a radar system that uses the motion of the vehicle (such as a spacecraft) carrying it to simulate a system having a much larger antenna area and that is used to obtain high-resolution images of a surface (as of a planet)
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Merriam-Webster unabridged