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Low-frequency distortion
| CCTV glossary (глоссарий терминов по видеонаблюдению) |
Distortion effects which occur at low frequencies. in television, generally considered as any frequency below the 15.75-khz line frequency.
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Distort, английский
Distorted crystal, английский
Distorted field (mt), английский
The direction of a magnetic field in a symmetrical object will be substantially uniform if produced by a uniformly applied magnetizing force, as in the case of a bar magnetized in a solenoid. but if the piece being magnetized is irregular in shape, the field is distorted and does not follow a straight path or have a uniform distribution.
Distorted image, английский
Distorted information, английский
Искаженная информация
Distorted message, английский
Искаженное сообщение
Distorted waveform, английский
Distorting medium, английский
Distortio, onis, f, латинский
Distortion, английский
- A drying defect caused by the differential shrinkage along the three axes of a piece of wood. distortion may take the form of cup, bow, twist, spring or diamonding.
- Искажение, дисторсия
- The deviation of the received signal waveform from that of the original transmitted waveform.
- Nonproportional representation of an original.
- Искажение (формы); коробление
- Нарушение достоверности информации, см. bias; error, deviation, misreporting запасы (сырья и материалов), см. stocks with industrial consumers; reserves for manufacturing purposes al consumers; reserves for manufacturing purposes 61,. distributed stocks (of raw materials) — производственные запасы (сырья и материалов), см. stocks with industrial consumers; reserves for manufacturing purposes.
- An undesired change in wave form of a signal in the course of its passage through a transmission system.
- An off-axis lens aberration that changes the geometric shape of the image due to a variation of focal length as a function of field angle.
- Any changing of line, form, or even light by photographic materials, such as lenses, films, or filters. though most designers do all they can to eliminate distortion from lenses, most photographers take the "if you can`t beat `em, join `em" approach and exploit it wherever they find it; they use distortion as part of their visual expression.
- An aberration which occurs as light rays move from the center of the lens toward the periphery. as rays approach the edge, the lens’s increasing magnification causes a distorting of the image.
- The act of twisting part of the body out of its usual shape
- Искажение
- N псхл. искажение
- Расхождение; несовпадение; искажение; искривление
- An intentional desired, or unintentional unwanted, change in the audio waveform, causing a raspy or edgy sound quality.
- Changing incoming information in some way.
Distortion, английский
Distortion (lens), английский
An optical aberration of a lens. extreme example: a fish-eye lens. the term is often misused to describe the exaggerated perspective effect of any lens when used too close to a subject, resulting in big-nose-small-ears syndrome.*
Distortion (of facts), английский
Distortion (искажение), английский
Непропорциональное представление оригинала.
Distortion analyzer, английский
Distortion angle, английский
Angle between plane of wheel and direction of motion of wheel in a steered vehicle. also slip angle. distribution octane number measure of gasoline ignition quality determined through tests on a modified cfr engine. also don. see also motor octane number
Distortion due au retrait (apres soudage), французский
Distortion factor, английский
Коэффициент искажения
Distortion meter, английский
Distortion-free real image, английский
Distortional wave, 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.
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Lumen (lm), английский
The unit of luminous flux. it is equal to the flux through a unit solid angle (steradian) from a uniform point source of one candela or to the flux on a unit surface of which all points are at a unit distance from a uniform point source of one candela.
Loop through, английский
Also called looping. the method of feeding a series of high impedance circuits (such as multiple monitor/displays in parallel) from a pulse or video source with a coax transmission line in such a manner that the line is bridged (with minimum length stubs) and that the last unit properly terminates the line in its characteristic impedance. this minimizes discontinuities or reflections on the transmission line.
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