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Luminance variance
| Глоссарий по вычислительной технике |
Неравномерность яркости
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Luminance, английский
- Brightness. in cctv refers to the part of the video signal that contains information about the scene brightness.
- Яркость. составляющая изображения, определяющая его относительную яркость в каждой точке экрана монитора
- This refers to the part of a video signal that carries the monochrome information. i.e. brightness information.
- Luminous intensity (photometric brightness) of any surface in a given direction per unit of projected area of the surface as viewed from that direction, measured in foot lamberts (fl).
- Luminous intensity (photometric brightness) of any surface in a given direction per unit of projected area of the surface as viewed from that direction, measured in footlamberts (fl).
- Refers to the video signal information about the scene brightness. the measurable,
- The part of a composite video signal that expresses brightness. also called y. separately transmitted in y/c (s-video).
- 1. luminous flux emitted, rejected, or transmitted per unit of solid angle per projected area of the source. 2. the photometric equivalent of brightness. 3. the brightness part of a television picture.
- Refers to the video signal information about the scene brightness. the measurable, luminous intensity of a video signal. differentiated from brightness in that the latter is nonmeasurable and sensory. the color video picture information contains two components, luminance (brightness and contrast) and chrominance (hue and saturation). the photometric quantity of light radiation.
- The luminous intensity of any surface in a given direction per unit of projected area of the surface, as viewed from that direction; a directional property of luminous radiation.
- The perceived brightness component of a given color, as opposed to its hue or its saturation.
- Яркость. относится к содержащейся в видеосигнале информации об освещенности объекта. фотометрическая единица измерения светового излучения.
- Ratio of a surface’s luminous intensity in a given direction to a unit of projected area. measured in candela per square meter.
- Photometric brightness of a light source defined by the density of its luminous intensity, measured as luminous flux per unit solid angle per unit area in a given direction. reported in candela per square meter (cd·m–2).
- Photometric brightness of a light source defined by the density of its luminous intensity, measured as luminous flux per unit solid angle per unit area in a given direction. reported in candela per square meter (cd/m2). compare illuminance. 504 glossary l-m luminous efficacy; luminous efficiency: ratio of the total luminous flux of a light source to the total radiant flux or to the power input.
- Photometric brightness of a light source as defined by the density of its luminous intensity. luminance is a measure of the luminous flux per unit solid angle per unit area in a given direction and is reported in candela per square meter (cd·m–2).
Luminance (or brightness), английский
A measure of flux reflected or emitted from a surface. it has
Luminance contrast, английский
The relationship between the luminance of an object and the luminance of the immediate background.
Luminance decay, английский
- Ослабление яркости. постепенное снижение относительной яркости экрана монитора с течением времени
- Ослабление яркости
Luminance factor, английский
- The ratio of the luminance of a surface or medium under specified conditions of incidence, observation, and light source to the luminance of a lossless, perfectly diffusing surface or medium under the same conditions. luminance meter, brightness meter a visual instrument or a photoelectric instrument used to measure luminance.
- Коэффициент яркости
Luminance of a surface, английский
Luminance ratio, английский
Luminance signal, английский
- That portion of the ntsc color television signal which contains the luminance or brightness information.
- That portion of the television signal which conveys the luminance or brightness information.
Luminance temperature, английский
Яркостная температура
Luminance threshold, английский
Порог яркости
Luminance., английский
Variance, английский
- The standard deviation squared. if there are independent sources of errors, the variance of the total error is the sum of the variances due to the individual sources of error.
- Расхождение; несоответствие
- Дисперсия (мера неопределенности статистического- ожидания времени)
- A written authorization, from the responsible agency, permitting construction in a manner which is not allowed by code or other regulations.
- Дисперсия. мера отклонения значений выборки от среднего. квадрат среднеквадратического отклонения (стандартного отклонения).
- Дисперсия. статистический показатель, характеризующий разброс или рассеяние в распределении показателей. рассчитывается как сумма квадратов раз-ностей между единичными значениями множества и средним арифметическим этого множества, деленная на число значений минус один [16, 20].
- The difference between an expected and an actual economic resource.
- The difference between two values, such as the difference between estimated and actual expenses.
- Дисперсия. статистический показатель, характеризующий разброс или рассеяние в распределении показателей. рассчитывается как сумма квадратов разностей между единичными значениями множества и средним арифметическим этого множества, деленная на число значений минус один [16, 20].
- A measure of dispersion of a set of data points around their mean value. the mathematical expectation of the average squared deviations from the mean. the square root of the variance is the standard deviation.
- An exception to a zoning ordinance, usually granted by a local government. for example, if you own an oddly shaped lot that could not accommodate a home in accordance with your city’s setback requirement, you could apply at the appropriate office for a variance allowing you to build closer to a boundary line.
Variance, английский
Variance (of a random variable), английский
Variance analysis, английский
- Вариационный анализ
- Дисперсионный анализ
Variance at completion, английский
The earned value field that shows the difference between the budget at completion [bac] and the estimate at completion [eac]. in project, the eac is the total cost field, and the bac is the baseline cost field.
Variance event latest allowable time, английский
Дисперсия наиболее позднего допустимого времени свершения события
Variance explanation ratio, английский
Variance of a population, английский
Дисперсия генеральной совокупности
Variance, population variance, английский
- The variance of a list is the square of the standard deviation of the list, that is, the average of the squares of the deviations of the numbers in the list from their mean. the variance of a random variable x, var(x), is the expected value of the squared
- The variance of a list is the square of the standard deviation of the list, that is, the average of the squares of the deviations of the numbers in the list from their mean. the variance of a random variable x, var(x), is the expected value of the squared difference between the variable and its expected value: var(x) = e((x − e(x))2). the variance of a random variable is the square of the standard error (se) of the variable.
Неравномерность, русский
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Anisochronous, английский
Неравномерный; асинхронный
Biased data, английский
Неравномерно-распределенные данные; смещенные данные
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