# Difference between revisions of "AipyTutImg"

From AstroBaki

Jump to navigationJump to search (Created page with '<latex> \documentstyle[11pt]{article} \usepackage{graphicx} \usepackage{fullpage} \usepackage{amsmath} \usepackage{eufrak} \begin{document} \section{Module: aipy.img} \label{sec…') |
|||

Line 283: | Line 283: | ||

long as we restrict our FoV to a narrow region around phase center where | long as we restrict our FoV to a narrow region around phase center where | ||

$\ell,m$ are small, the error introduced by this approximation is small, but | $\ell,m$ are small, the error introduced by this approximation is small, but | ||

− | for wide-field imaging (FoV $\ | + | for wide-field imaging (FoV $\gtrsim 10^\circ$), image fidelity |

deteriorates rapidly from phase center. Until recently, solutions to the | deteriorates rapidly from phase center. Until recently, solutions to the | ||

problem of balancing the algorithmic efficiency of fast Fourier transforms | problem of balancing the algorithmic efficiency of fast Fourier transforms |