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Raster
| Глоссарий для полиграфии |
- Растр
- The scanned (illuminated) area of a television picture tube.
- A rectangular pattern of lines; on a video display, the horizontal scan lines from which the term raster scan is derived.
- Repetitive pattern whereby a directed element (a robotic arm or a flying dot on a video screen) follows the path of a series of adjacent parallel lines, taking them successively in turn, always in the same direction (from top to bottom or from left to right), stopping at the end of one line and beginning again at the start of the next line. following a raster pattern makes it possible for electron beams to form video pictures or frames and for a sensor-bearing armature to cover a predetermined part of the surface of a test object. rat’s tooth principle: (1) the tendency for hard material on a tooth’s front surface to wear more slowly than soft material on the back surface, keeping the edge sharp. (2) mechanism of wear whereby adjacent hard and soft surfaces wear at different rates, producing a self-sharpening edge. recommended practice no. snt-tc-1a: set of guidelines published by the american society for nondestructive testing, for employers to establish and conduct a qualification and certification program for nondestructive testing personnel.4-6
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Trama ., испанский
Cuadrícula, испанский
Entramado, испанский
Растр, русский
- Серая подложка, создающая фон материалу (если она имеет однородный рисунок, то ее называют заливкой).
- (нем . raster), решетка для структурного преобразования направленного светового пучка. различают прозрачные растры в виде чередующихся прозрачных и непрозрачных элементов и отражательные растры с зеркально отражающими и поглощающими (или рассеивающими) элементами. применяется в полиграфии при репродуцировании полутоновых оригиналов на стадии фотографирования или копирования с целью превращения изображения в мелкоточечное.
Растр; двухмерный массив точек;, русский
Растровый, русский
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Illuminated, английский
Television, английский
- Телевидение; телевизионный
- The electronic transmission of pictures and sounds.
- Телевидение
- An electronic system of transmitting transient images of fixed or moving objects together with sound through space by an apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound.
Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
Repetitive, английский
A повторительный compound, sequence
Successively, английский
Predetermined, английский
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Dot-chaining screen, английский
Растр с эллиптическими цепеобразными элементами. растр, элементы которого имеют эллиптическую форму (в отличие от прямоугольного или круглого растра). при этом совокупность точек растра образует цепочку
Halftone screen, английский
- Растр
- Растр; полутоновый растр
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