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Horizontal drive (also horizontal sync)
CCTV glossary (глоссарий терминов по видеонаблюдению) |
- This signal is derived by dividing sub-carrier by 227.5
- This signal is derived by dividing sub-carrier by 227.5 and then doing some pulse shaping. the signal is used by monitors and cameras to determine the start of each horizontal line.
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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
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Tft. thin-film-transistor., английский
This technology is used mainly for manufacturing flat computer and
White level., английский
This part of the video signal electronically represents the white part of an image. it
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