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What is Fourier Transform and Imaging Techniques about?

This document discusses Fourier transforms and imaging in radio astronomy. It explains that the Fourier transform relation between the sky brightness distribution and the measured visibilities holds under certain conditions related to bandwidth and time averaging. In practice, the visibilities are discrete and unevenly sampled. The resolution of an image is related to the maximum values of u and v in the visibility data. The number of pixels in an image is determined by the primary beam size and desired sky

Author

sroy2000

Language

EN