Angular resolution
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Angular resolution
Angular resolution describes the ability of any image-forming device such as an optical or radio telescope, a microscope, a camera, or an eye, to distinguish...
Diffraction-limited system
is the maximum resolution possible for a theoretically perfect, or ideal, optical system. The diffraction-limited angular resolution, in radians, of...
Aliasing
corresponds to the angular resolution of the image (and, for frequency, the speed of the viewer's lateral movement), which is the angular aliasing of the...
Very Large Telescope
facility can achieve an angular resolution of approximately 0.002 arcsecond. In single telescope mode, the angular resolution is about 0.05 arcseconds...
Retina display
slightly less pixel density is required in order to achieve the same angular resolution. Later products have had additional improvements, such as an increase...
Spatial resolution
instruments, like cameras and telescopes, spatial resolution is directly connected to angular resolution, other instruments, like synthetic aperture radar...
Angular diameter
The angular diameter, angular width, angular size, apparent diameter, or apparent size is an angular separation (in units of angle) describing how large...
Circle packing theorem
bounded angular resolution, using circle packing. They derived a version of the ring lemma and used it to prove that the angular resolution of the drawing...
Event Horizon Telescope
(VLBI) stations around Earth, which form a combined array with an angular resolution sufficient to observe objects the size of a supermassive black hole's...
Optimum HDTV viewing distance
in resolution exceeds the observer's visual capabilities. For an HDTV's image to noticeably improve, its resolution per degree of arc (or angular resolution)...