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Что (кто) такое filter - определение
WIKIMEDIA DISAMBIGUATION PAGE
Filtering; Filters; Filter (disambiguation); Filtering (disambiguation)
Найдено результатов: 503
filter
1. (Originally Unix, now also MS-DOS) A program that
processes an input data stream into an output data stream in
some well-defined way, and does no I/O to anywhere else except
possibly on error conditions; one designed to be used as a
stage in a pipeline (see plumbing). Compare sponge.
2. (functional programming) A higher-order function which
takes a predicate and a list and returns those elements of
the list for which the predicate is true. In Haskell:
filter p [Jargon File ]
filter
I. v. a.
Strain, pass through a strainer or filter.
II. v. n.
Percolate, transude, exude, strain, ooze.
III. n.
Strainer.
filter
I
n.
1) to pass smt. through a filter
2) a cloth; sand filter
II
v.
1) (d; intr.) to filter into (foreign influence began to filter into the country)
2) (d; tr.) to filter through
Filter
·noun ·same·as Philter.
III. Filter ·noun To purify or defecate, as water or other liquid, by causing it to pass through a filter.
IV. Filter ·noun Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air.
filter
(filters, filtering, filtered)
1.
To filter a substance means to pass it through a device which is designed to remove certain particles contained in it.
The best prevention for cholera is to boil or filter water, and eat only well-cooked food.
VERB: V n
2.
A filter is a device through which a substance is passed when it is being filtered.
...a paper coffee filter.
N-COUNT
3.
A filter is a device through which sound or light is passed and which blocks or reduces particular sound or light frequencies.
You might use a yellow filter to improve the clarity of a hazy horizon.
N-COUNT
4.
If light or sound filters into a place, it comes in weakly or slowly, either through a partly covered opening, or from a long distance away.
Light filtered into my kitchen through the soft, green shade of the cherry tree.
VERB: V into/through n
5.
When news or information filters through to people, it gradually reaches them.
It took months before the findings began to filter through to the politicians...
News of the attack quickly filtered through the college.
...as indications filter in from polling stations.
...the horror stories which were beginning to filter out of Germany.
VERB: V through to n, V through n, V in, V out of n
6.
A traffic filter is a traffic signal or lane which controls the movement of traffic wanting to turn left or right. (BRIT)
N-COUNT
filter
¦ noun
1. a porous device for removing impurities or solid particles from a liquid or gas passed through it.
a screen, plate, or layer which absorbs some of the light passing through it.
a device for suppressing electrical or sound waves of frequencies not required.
2. Brit. an arrangement whereby vehicles may turn left (or right) while other traffic waiting to go straight ahead or turn right (or left) is stopped by a red light.
3. Computing a piece of software that processes data before passing it to another application, for example to remove unwanted material.
¦ verb
1. pass through a filter.
2. (often filter in/out/through) move or pass into something slowly or gradually.
(of information) gradually become known.
Derivatives
filterable (also filtrable) adjective
Origin
ME (denoting a piece of felt): from Fr. filtre, from med. L. filtrum 'felt used as a filter', of W. Gmc origin and related to felt1.
Optical filter
![Coloured and [[neutral-density filter]]s](https://commons.wikimedia.org/wiki/Special:FilePath/Filter-optics-1.jpg?width=200 "Coloured and [[neutral-density filter]]s")
DEVICE THAT SELECTIVELY TRANSMITS LIGHT OF CERTAIN WAVELENGTHS
Optic filter; Wedge filter; Glass filter; Optical Filters; Optical band-pass filter; Optical bandpass filter; Filter (optics); Light filter
An optical filter is a device that selectively transmits light of different wavelengths, usually implemented as a glass plane or plastic device in the optical path, which are either dyed in the bulk or have interference coatings. The optical properties of filters are completely described by their frequency response, which specifies how the magnitude and phase of each frequency component of an incoming signal is modified by the filter.
Electronic filter
![A low-pass electronic filter realised by an [[RC circuit]]](https://commons.wikimedia.org/wiki/Special:FilePath/1st Order Lowpass Filter RC.svg?width=200 "A low-pass electronic filter realised by an [[RC circuit]]")
ELECTRONIC CIRCUIT THAT REMOVES UNWANTED COMPONENTS FROM THE SIGNAL, OR ENHANCES WANTED ONES, OR BOTH
Electronic filters; Filter (circuits); Pi filter; Pi Filter; Frequency filter; BAW filter
Electronic filters are a type of signal processing filter in the form of electrical circuits. This article covers those filters consisting of lumped electronic components, as opposed to distributed-element filters.
Filter (signal processing)
DEVICE OR PROCESS THAT REMOVES UNWANTED COMPONENTS OR FEATURES FROM A SIGNAL, OR ENHANCES WANTED ONES, OR BOTH
SAW filter; Electric filter; Signal processing filter; Signal processing filters; Filter cutoff; Convolution as Filtering; Filtering (signal processing)
In signal processing, a filter is a device or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing, the defining feature of filters being the complete or partial suppression of some aspect of the signal.
Filtering
·p.pr. & ·vb.n. of Filter.
