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Astronomy · L4 · Radio interferometry: from single dishes to the Event Horizon Telescope · flowchart

Astronomy
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Dish A signal(precise timestamp)Correlator:cross-correlate signal pairsDish B signal(precise timestamp)Complex visibilityat baseline vector (u,v)Earth's rotation sweepsthe projected baselineu-v planeprogressively filledFourier transformvisibilities → sky image
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