Look up Filter, filter, filtering, or filters in Wiktionary, the free dictionary. Filter, filtering, filters or filtration may also refer to: Filter (higher-order...

In statistics and control theory, Kalman filtering (also known as linear quadratic estimation) is an algorithm that uses a series of measurements observed...

A Bloom filter is a space-efficient probabilistic data structure, conceived by Burton Howard Bloom in 1970, that is used to test whether an element is...

The Butterworth filter is a type of signal processing filter designed to have a frequency response that is as flat as possible in the passband. It is also...

#NoFilter is a hashtag used on social media to indicate that no social media filter has been used. It is commonly used on Instagram. According to research...

Syphon Filter is a third-person shooter video game series developed by Bend Studio (formerly Eidetic) and published by Sony Computer Entertainment (previously...

filter depends on the filter design. The filter is sometimes called a high-cut filter, or treble-cut filter in audio applications. A low-pass filter is...

A coffee filter is a filter used for various coffee brewing methods including but not limited to drip coffee filtering. Filters made of paper (disposable)...

mathematics, a filter or order filter is a special subset of a partially ordered set (poset), describing "large" or "eventual" elements. Filters appear in...

A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and...

cinematography, a filter is a camera accessory consisting of an optical filter that can be inserted into the optical path. The filter can be of a square...

The Mexican filter, or Mexico filter, is a yellow-colored or sepia filter that is sometimes employed in films and television productions to visually represent...

signal processing, mainly in digital signal processing, a Gaussian filter is a filter whose impulse response is a Gaussian function (or an approximation...

Filter is an American rock band formed in 1993 in Cleveland, Ohio, by singer Richard Patrick, along with guitarist and programmer Brian Liesegang. The...

Chebyshev filters are analog or digital filters that have a steeper roll-off than Butterworth filters, and have either passband ripple (type I) or stopband...

The Great Filter is the idea that, in the development of life from the earliest stages of abiogenesis to reaching the highest levels of development on...

A Bayer filter mosaic is a color filter array (CFA) for arranging RGB color filters on a square grid of photosensors. Its particular arrangement of color...

In signal processing, the output of the matched filter is given by correlating a known delayed signal, or template, with an unknown signal to detect the...

the Wiener filter is a filter used to produce an estimate of a desired or target random process by linear time-invariant (LTI) filtering of an observed...

A cigarette filter, also known as a filter tip, is a component of a cigarette, along with cigarette paper, capsules and adhesives. Filters were introduced...

Filter feeders are aquatic animals that acquire nutrients by feeding on organic matters, food particles or smaller organisms (bacteria, microalgae and...

A trickling filter is a type of wastewater treatment system. It consists of a fixed bed of rocks, coke, gravel, slag, polyurethane foam, sphagnum peat...

A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with...

Equalization filter may refer to: A filter for audio equalization A filter for communications equalization Analogue filter Audio filter Electronic filter This...

In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific...

An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Their chief use is in internal-combustion...

An Internet filter is software that restricts or controls the content an Internet user is capable to access, especially when utilized to restrict material...

Aquarium filters are critical components of both freshwater and marine aquaria. Aquarium filters remove physical and soluble chemical waste products from...

Indian filter coffee is a coffee drink made by mixing hot milk and sugar with the infusion obtained by percolation brewing of finely ground coffee powder...

using a filter medium that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter medium are...