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Nd filters
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Neutral density filters are optical filters that attenuate the light a number of times. this attenuation is equal for all the wavelengths therefore it does not change the colour balance of an image, hence the term neutral.
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Filter, английский
- A device used to remove dust and other particles from air to provide healthier air quality and to protect the hvac equipment. the higher the merv rating, the better the filter.
- A device that removes dust and other air particles to comfort the respiratory system and protect the heating and cooling equipment the higher the merv rating,
- Any device or porous substance used as a strainer for cleaning fluids by removing suspended matter.
- Фильтр
- A device which transmits only part of the incident energy and may thereby change the spectral distribution of energy.
- In optical science, a device, material, or color for restricting transmission of certain light rays.
- A piece of paper or cloth through which a liquid is passed to remove any solid substances in it verb to pass a liquid through a membrane, piece of paper or cloth to remove solid substances impurities are filtered from the blood by the kidneys.
- Опрокидыватель
- N фильтр 1 совокупность слов, объединяемых смысловыми связями по сходным признакам их лексических значений. perceptual ~s псхл. фильтры восприятия
- A strainer to free water from its impurities, usually termed by seamen drip-stone (which see).
- Фильтр. при очистке газа — устройство для отделения твердых и жидких частиц от потока газа, в котором они взвешены. это устройство обычно представляет собой пористый или волокнистый слой и/или набор пористых и/или волокнистых слоев (предварительный стандарт мос, 8). э8
- A circuit that attenuates or removes frequencies from a sound or waveform above or below a certain frequency. filters can be used to reduce unwanted noise above or below the frequency range of a voice or instrument. one type of filter, a bandpass filter, allows the frequencies within a specified range to pass, while a notch filter inhibits the frequencies in a specified range. even midi data can be filtered, using a midi data filter, to remove specified messages (pitch bend, modulation) from the midi data stream.
- A pattern or mask through which data is passed to separate specified items.
- A set of conditions and associated actions that may be applied to certain tasks. for example, an email rule might stipulate that all messages from a particular sender be placed into a specific folder.
- A tool that you can use to categorize inventory items for quick searching. filters also restrict the availability of items to customers, vendors, and warehouse processes.
- To define the types of ui automation elements to be included in a view of the ui automation tree.
- To display files that meet certain criteria. for example, you might filter files by a particular author so that you only see the files written by that person. filtering does not delete files, it simply changes the view so that you only see the files that meet your criteria.
- To display only the rows in a list that satisfy the conditions you specify. you use the autofilter command to display rows that match one or more specific values, calculated values, or conditions.
- Words, phrases, sources, languages, time frame, authors, or an author’s reach that the data set does or doesn’t contain. filter
- Porous material, or device containing such material, for removing suspended particulate matter from a fluid, as for example an air filter, fuel filter or oil filter. centrifuges and magnetic devices for removing metallic dust are sometimes, though inaccurately, referred to as filt
- A porous substance or device that cleans fluids by removing suspended matter.
- (1) data processing component or function that excludes a selected kind of signal or part of a signal. (2) network or device that passes electromagnetic wave energy over a described range of frequencies and attenuates energy at all other frequencies. in radiologic testing, the thickness of absorbing material placed in a primary radiation beam to selectively remove longer wavelength radiation, thereby adjusting the quality of the image.
- Processing component or function that excludes a selected kind of signal or part of a signal.
- (1) network or device that passes electromagnetic wave energy over a described range of frequencies and attenuates energy at all other frequencies.1,4 (2) processing component or function that excludes a selected kind of signal or part of a signal.1 (3) in optics, a sequence of materials so arranged to pass selected wavelengths and to block or attenuate others.
- (1) electrical circuit that leaves a signal unaffected over a prescribed range of frequencies and attenuates signal components at all other frequencies.10,20 (2) data analysis process for treating data files.
Filter, английский
Filter, немецкий
Filter (camera), английский
Any light-transmitting medium that absorbs, reflects, or diffuses light when placed in front of or behind a lens.
Filter (for a light), английский
Any light-transmitting medium that, when placed in front of the fixture, absorbs, reflects, or diffuses part or all of the beam. "filter" may imply glass as opposed to gel materials. also see: dichroic.
Filter (optical), английский
An optical device, which modifies the characteristics of radiation, which is passed through it. usually filters either attenuate all wavelengths of radiation a certain controlled amount or modify the optical pass band of the radiation - eliminating select
Filter (rt), английский
A layer of absorptive material that is placed in the beam of radiation for the purpose of absorbing rays of long wavelengths to control the quality of the radiograph.
Filter (strainer, well screen), английский
Filter -, английский
Фильтрующий слой
Filter / coalescer, английский
Filter / screen, английский
Filter / to filter, английский
Filtre / filtrer
Filter / to filter, английский
Filter aid, английский
A powder added to a solution to be filtered that forms a porous bed to improve filtration.
Filter airwashing, английский
Filter alum, английский
Filter area, английский
The part of pivottable or pivotchart view that contains filter fields.
Filter bag, английский
Мешочный (рукавный) фильтр. устройство для удаления пыли из воздуха, насыщенного пылью, включает цилиндры из плотно сотканного материала, который пропускает воздух, но задерживает твердые частицы. термин «всасывающий фильтр» изъят из употребления (предварительный стандарт мос, 8). длина рукава мешочного фильтра может достигать 10 м, а диаметр — 1 м. эффективность в зависимости от условий может достигать 99—99,9 % • если на ткань нанести слой химически активного порошка, то из дымового таза могут быть удалены газообразные загрязнители при низких концентрациях (например, таким путем можно удалить соединения фтора из газов, образующихся при электролитическом способе производства алюминия). установка, состоящая из большого числа мешочных фильтров, называется пылеулавливающей камерой (помещением для газоочистки).
Filter bank, английский
Filter bed, английский
A bed of gravel, sand, or the like used to filter water or sewage; also
Filter bed(s), английский
Attenuation, английский
- The decrease in magnitude of a signal, as it travels through a medium. used to describe signal loss in a transmission system. measured in decibels (db).
- Поглощение
- Зависимость снижения мощности сигнала от расстояния. для оптоволоконных кабелей обычно выражается в дб/км
- In general terms, a reduction in signal strength.
- The decrease in magnitude of a wave, or a signal, as it travels through a medium or
- The difference between transmitted and received power due to loss through equipment, lines, or other transmission devices; usually expressed in decibels. the loss in power of electromagnetic signals between transmission and reception points.
- The decrease in magnitude of a wave, or a signal, as it travels through a medium or an electric system. it is measured in decibels (db).
- The loss of optical power, whether caused intrinsically (absorption, scattering, microbends, etc.), or extrinsically by components (connectors, splices, splitters, etc)
- The decrease in radiation energy (power) as a beam passes through an absorbing or scattering medium.
- Reduction of signal magnitude, or loss, normally measured in decibels. fiber attenuation is normally measured per unit length in decibels per kilometer. the decrease in signal strength along a fiber optic waveguide caused by absorption and scattering. attenuation is usually expressed in db/km.
- A reduction in the effect or strength of something such as a virus, either because of environmental conditions or as a result of a laboratory procedure
- Ослабление
- Ослабление (затухание). уменьшение количества радиации при ее прохождении через вещество в результате всех видов взаимодействия с этим веществом. ослабление обычно не связано с уменьшением геометрических размеров (мос, 5). ослабление солнечной радиации — потеря энергии световым лучом при его прохождении через атмосферу земли. потеря энергии обусловлена рассеянием света молекулами воздуха, селективной абсорбцией молекулами определенных веществ и рассеянием света аэрозолями (вмо).
- The weakening of a transmitted signal, such as the distortion of a digital signal or the reduction in amplitude of an electrical signal. attenuation is usually measured in decibels and is sometimes desirable, as when signal strength is reduced electronically, for example, by a radio volume control, to prevent overloading.
- The weakening of a transmitted signal, such as the reduction in the brightness of light, as it travels farther from its source.
- Regulatory system of prokaryotes whereby secondary stem-loop structures formed within the 5’ end of an mrna being transcribed determine both if transcription to complete the synthesis of this mrna will occur and if this mrna will be used for translation
- Decrease in transmitted energy intensity over distance. the loss may be due to absorption, scattering, reflection, leakage, beam divergence, or other material effects.
- Снижение интенсивности передаваемой энергии на расстоянии. потери могут быть вызваны поглощением, рассеянием, отражением, утечкой, расходимостью луча или другими материальными эффектами.
- Decrease in signal magnitude during energy transmission from one point to another. this loss may be caused by absorption, reflection, scattering of energy or other material characteristics or may be caused by an electronic or optical device such as an attenuator.1
- (1) decrease in energy or signal magnitude in transmission from one point to another. can be expressed in decibels or as a scalar ratio of the input magnitude to the output magnitude.16 (2) change in signal strength caused by an electronic device such as an attenuator. (3) decrease in intensity caused by absorption, leakage, reflection, scattering or other material characteristics. see also neper.
- (1) decrease in acoustic energy over distance. this loss may be caused by absorption, leakage, reflection, scattering or other material characteristics. (2) decrease in signal amplitude caused by acoustic energy loss or by an electronic device such as an attenuator.10,16,21
Wavelength, английский
- Light is made up of electromagnetic waves; wavelength is the crest (peak)-to-crest distance between two adjacent waves.
- Для оптических сетевых устройств длина волны светового потока составляет 850, 1300, 1310 и 1550 нм
- The optical term for frequency. fiber optics generally uses the 850 nm, 1300/1310 nm, 1550 nm and 1625 nm wavelengths for transmission purpose due to the marriage of performance with light sources, optical fibers, and optical detector technologies
- Distance in the direction of propagation of a periodic wave between two successive points at which the phase is the same. tel 203•377•8282 fax 203•378•2457 e-mail res_sales@oriel.com url www.oriel.com 9-17 polarization lenses optics prisms & filters beam splitters windows, substrates & mirrors properties of optical coatings optical materials
- The length of the light wave, usually measured from crest to crest, which determines its color. common units of measurement are the micrometer (micron), the nanometer, and the angstrom unit.
- The spatial period of a plane wave
- The distance between "waves" in the electromagnetic field, specified as angstroms or nanometers.
- The distance an electromagnetic wave travels in the time it takes to oscillate through a complete cycle. wavelengths of light are measured in nanometers (10-9 m) or micrometers (10-6m).
- The linear distance occupied by one complete cycle of vibration of an energy form from any given point to the next point characterized by the same phase.
- For light waves or sound waves, the distance between two successive points of a periodic wave in the direction of propagation, in which the oscillation has the same phase; the distance the wave travels in one period. for light waves three common units of wavelength are: micrometer, nanometer, and angstrom. wave molding, oundy molding, swelled chamfer, undulating molding, undy
- Длина волны wax 1. воск 2. парафин 3. пластичная глина way 1. путь; дорога 2. проход; переход 3. колея 4. направление, сторона 5. амер, расстояние
- The physical length between corresponding points of successive cycles of a wave. low frequencies have long wavelengths; high frequencies have short wavelengths.
- The distance between the crests of a wave in a radio signal, measured as the speed of light divided by the frequency in- hz.
- The distance between one peak of a wave and the next peak
- Light is measured by its wavelength (in nanometers) or frequency (in hertz). one wavelength. equals the distance between two successive wave crests.
- The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation.
- Distance between repeating values of a wave — for example, the distance from one peak to the next peak on a sine wave. wavelength is a fundamental descriptor when discussing wave behavior, system sensitivity, and diffraction effects.
- Distance between repeating values of a wave. for example, the distance from one peak to the next peak on a sine wave.
- Distance between repeating values of a wave. for example, the distance from one peak to the next peak on a sine wave. wavelength is generally measured in nanometers when considering uv-a radiation (for example, 365 nm). compare frequency.
- Distance between repeating units of a wave. for example, the distance from one peak to the next peak.
- Distance needed in the propagation direction for a wave to go through a complete cycle.7,21
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Nit, английский
- A photometric unit for measuring luminance. one nit is equal to one candela per square metre of a projected surface area.
- Person who wants too much of a handicap, or complains about the fairness of a wager. a nit is usually a better "talker" than a "player"
- A u of luminance equal to 1 candela per square meter. abbr. nt.
- An egg or larva of a louse
- Obsolete unit for measuring luminance, equivalent to one candela per square meter. abbreviated nt.
Nbs, английский
- National bureau of standards (usa).
- National bureau of standards
- New british standard
- National biological survey (u.s.); national bureau of standards (u.s.); national board of survey = maanmittaushallitus (finland)
- Национальное бюро стандартов n-bus highway n-шинная магистраль
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