Glossary entry (derived from question below)
English term or phrase:
aliasing
Czech translation:
schodovitost
English term
aliasing
Digital alias-free signal processing (DASP) is a technique for overcoming the problems of aliasing at extended frequency ranges. Based on non-uniform or randomised sampling techniques and the development of novel algorithms, it creates the capacity to suppress potential aliasing crucial for high frequency applications and to reduce the complexity of designs. (Wiley)
An example of aliasing can be seen in old movies, especially when watching wagon wheels on old Western films. Recall that occasionally the wheels appeared as if they going in reverse, even as the wagon would speed up. This phenomenon occurs as the rate of the wagon wheel's spokes spinning approaches the rate of the sampler (the camera operating at about 30 frames per second). (National Instruments)
The term aliasing refers to the distortion that occurs when a continuous time signal has frequencies larger than half of the sampling rate. The process of aliasing describes the phenomenon in which components of the signal at high frequencies are mistaken for components at lower frequencies. (Sampling and Aliasing)
| 4 +2 | schodovitost |
Milos Prudek
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Nov 24, 2009 14:26: changed "Kudoz queue" from "In queue" to "Public"
Nov 24, 2009 14:58: changed "Stage" from "Preparation" to "Submission"
Nov 27, 2009 15:58: changed "Stage" from "Submission" to "Selection"
Dec 14, 2009 09:54: changed "Stage" from "Selection" to "Completion"
Proposed translations
Czech Republic
Hardware, software, IT specialist
Native in: Czech 
, English
Works in: English to Czech, Czech to English
schodovitost
ALIASING - (schodovitost). Nechtěná zubatost šikmých čar, která se někdy objevuje na obrazech zobrazovaných na počítači. Grafika s nízkým rozlišením může například při zvětšení způsobovat nechtěnou schodovitost. Odstranění tohoto efektu se označuje anti-aliasing. (markonet)
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