Filter design consists of finding a possible transfer function that can be implemented within certain practical constraints dictated by the technology or desired complexity of the system, followed by a practical design that realizes that transfer function using the chosen technology.

Both the scaling function ( low-pass filter ) and the wavelet function ( High-Pass Filter ) must be normalised by a factor.

* " Dose " ( song ), a song by the band Filter

* Filter ( aquarium ), critical components of both freshwater and marine aquaria

* Filter ( chemistry ), a device ( usually a membrane or layer ) that is designed to physically block certain objects or substances while letting others through

* Filter ( optics ), including types:

* Filter ( large eddy simulation ), in the context of large eddy simulation ( LES ) is a mathematical operation intended to remove a range of small scales from the solution to the Navier-Stokes equations

* Filter ( signal processing ), especially,

** Filter ( software ), a computer program to process a data stream

** Filter ( Unix ), a program that gets most of its data from its standard input ( the main input stream ) and writes its main results to its standard output ( the main output stream )

** Filter ( mathematics ), a special subset of a partially ordered set

* Filter ( band ), an American rock band

* Filter ( TV series ), a show on the G4 channel

* Filter ( magazine ), an off-beat indie music magazine

Water was treated at the Yorkshire Bridge works ( now converted to apartments ), and at the much bigger Bamford Filter works, much expanded in the 1960s.

The same year Siemens acquired Photo-Scan ( UK, CCTV systems ) US Filter Corporation ( water and Waste Water Treatment Technologies / Solutions, acquired from Veolia ), Hunstville Electronics Corporation ( automobile electronics, acquired from Chrysler ), and Chantry Networks ( WLAN equipment )

Filter design is the process of designing a filter ( in the sense in which the term is used in signal processing, statistics, and applied mathematics ), often a linear shift-invariant filter, that satisfies a set of requirements, some of which are contradictory.

* VCF-Voltage Controlled Filter, which attenuates frequencies below ( high-pass ), above ( low-pass ) or both below and above ( band-pass ) a certain frequency.

The band consisted of guitarist Charlie Garriga ( CIV ), bassist Frank Cavanagh ( Prong and Filter ) and drummer Mark Konopka.

* Cosmos From Diode Ladder Filter ( 2001 ), Alchemy Records

and Columbia University, and he is noted for his co-invention of the Kalman filter ( or Kalman-Bucy Filter ), which is a mathematical technique widely used in the digital computers of control systems, navigation systems, avionics, and outer-space vehicles to extract a signal from a long sequence of noisy and / or incomplete technical measurements, usually those done by electronic and gyroscopic systems.

Filter funnels, thistle funnels ( shaped like thistle flowers ), and dropping funnels have stopcocks which allow the fluids to be added to a flask slowly.

His siblings are Richard ( who is the lead singer for the rock band, Filter ), Cheri, Karen, and Lewis.

Sheppard ( who would take his version into the country Top 10 in early 1979 ), Tahiti 80, Filter, MStar, Buck Wild, Flobots and Tally Hall, whose version samples the original.

* " One " ( Harry Nilsson song ), also covered by ANBB, Three Dog Night, John Farnham, Aimee Mann and Filter

* Filter data to make them friendly usable or public via anonymization process for privacy protection ( for example )

A study commissioned by Microsoft concluded that Netcraft's toolbar was among the most effective tools to combat phishing on the Internet, although this has since been superseded by Microsoft's own Internet Explorer 7 with Microsoft Phishing Filter, possibly as a result of licensing Netcraft's data.

In a simple implementation, Core Image applies a single Image Filter to the pixel data of a given source to produce the transformed image.

One application of sensor fusion is GPS / INS, where Global Positioning System and Inertial Navigation System data is fused together using various different methods, e. g. the Extended Kalman Filter.

Two methods of data assimilation have been applied to these datasets: an Analysis Correction scheme and two Ensemble Kalman Filter schemes, both using a global circulation model of the martian atmosphere as forward model.

Filter feeders ( a sub-group of suspension feeders ) are animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure.

Filter paper is convenient because it does not typically require cleaning before use ; however, filter paper can be chemically attacked by some solutions ( such as concentrated acid or base ), and may tear during the filtration of large volumes of solution.

G4's Filter named Kefka one of the top ten villains of all time as selected by viewers, placing number eight on the list.

According to the Great Filter hypothesis at least one of these steps-if the list were complete-must be improbable.

G4's Filter named Nemesis one of the top ten video game villains of all time as selected by viewers, placing fifth on the list.

This leads to the Great Filter, which notes that since there are no observed extraterrestrial civilizations, despite the vast number of stars, then some step in the process must be acting as a filter to reduce the final value.

As the 60's progressed, he recorded some twenty additional albums as a leader, and continued to record as a sideman on the albums of other artists, including Wayne Shorter's Night Dreamer ; Stanley Turrentine's Mr. Natural ; Freddie Hubbard's The Night of the Cookers ; Hank Mobley's Dippin ', A Caddy for Daddy, A Slice of the Top, Straight No Filter ; Jackie McLean's Jackknife and Consequence ; Joe Henderson's Mode for Joe ; McCoy Tyner's Tender Moments ; Lonnie Smith's Think and Turning Point ; Elvin Jones ' The Prime Element ; Jack Wilson's Easterly Winds ; Reuben Wilson's Love Bug ; Larry Young's Mother Ship ; Lee Morgan and Clifford Jordan Live in Baltimore 1968 ; Andrew Hill's Grass Roots ; as well as on several albums with Art Blakey and the Jazz Messengers.

Alongside his custom pedalboard, Graham has been seen using: Line 6 DL4 Delay Modeller, Line 6 FM4 Filter Modeller, Akai Headrush E2, Boss DS-1 Distortion, Electro-Harmonix HOG, some sort of Boss DD-series pedal, Boss PN-2 Tremolo / Pan, Electro-Harmonix Holy Grail, Boss DM-2 Analogue Delay, Boss RV-5 Digital Reverb and a T-Rex Mudhoney Distortion.

In the mid-1990s, he produced techno tracks for a side project called Nerve Filter which generated some interest at record label 21st Circuitry.

These may be heuristics-based such as the Extended Kalman Filter or the Assumed Density Filters described in Peter S. Maybeck's book or more methodologically driven such as the projection filters introduced by Damiano Brigo, Bernard Hanzon and François Le Gland, some sub-families of which are shown to coincide with the Assumed Density Filters.

He and Richard Patrick have remained friends, and Brian contributed some production work and guitar / keyboard parts to the latest Filter record, The Trouble with Angels.