Matched filter — In telecommunications, a matched filter (originally known as a North filter[1]) is obtained by correlating a known signal, or template, with an unknown signal to detect the presence of the template in the unknown signal. This is equivalent to… … Wikipedia
Masking threshold — The masking threshold is the sound pressure level of a sound needed to make the sound perceptible in the presence of another noice, called a masker . This threshold depends upon the frequency, the kind of masker, and the kind of sound being… … Wikipedia
Helicon Filter — Infobox Software name = Helicon Filter caption = Helicon Filter 4.81 running on Windows XP developer = Helicon Soft Ltd. latest release version = 4.90 latest release date = September 25, 2008 latest preview version = latest preview date =… … Wikipedia
Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa … Wikipedia
Particle filter — Particle filters, also known as sequential Monte Carlo methods (SMC), are sophisticated model estimation techniques based on simulation. They are usually used to estimate Bayesian models and are the sequential ( on line ) analogue of Markov chain … Wikipedia
Weighting filter — A weighting filter is used to emphasise or suppress some aspects of a phenomenon compared to others, for measurement or other purposes. Contents 1 Audio application … Wikipedia
High-pass filter — PP An audio filter that allows allows frequencies above a certain threshold to pass through while stopping lower ones … Audio and video glossary
High-shelf filter — PP An audio filter that allows allows frequencies above a certain threshold to pass through while reducing lower ones … Audio and video glossary
Low-pass filter — PP An audio filter that allows allows frequencies below a certain threshold to pass through while stopping higher ones … Audio and video glossary
Low-shelf filter — PP An audio filter that allows allows frequencies below a certain threshold to pass through while reducing higher ones … Audio and video glossary
Closure (computer science) — In computer science, a closure (also lexical closure, function closure, function value or functional value) is a function together with a referencing environment for the non local variables of that function.[1] A closure allows a function to… … Wikipedia