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matched filter
(redirected from Matched Filters)

   Also found in: Wikipedia 0.01 sec.
matched filter [′macht ′fil·tər]
(computer science)
In character recognition, a method employed in character property detection in which a vertical projection of the input character produces an analog waveform which is then compared to a set of stored waveforms for the purpose of determining the character's identity.
(electronics)
A filter with the property that, when the input consists of noise in addition to a specified desired signal, the signal-to-noise ratio is the maximum which can be obtained in any linear filter.


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Extensively revised and updated, coverage includes description of the function of transmitters, antennae, receivers, matched filters, and signal processors.
Through that program, we recently developed a unique Fiber Bragg Grating-Artificial Reference Cell (FBG-ARC) technology for remote gas sensing based on novel modulated, tailored matched filters and correlation spectroscopy for the NSF.
 
 
 
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