What does matched filter mean?

Definitions for matched filter
matched fil·ter

Here are all the possible meanings and translations of the word matched filter.

Wikipedia

  1. Matched filter

    In signal processing, a matched filter 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 convolving the unknown signal with a conjugated time-reversed version of the template. The matched filter is the optimal linear filter for maximizing the signal-to-noise ratio (SNR) in the presence of additive stochastic noise. Matched filters are commonly used in radar, in which a known signal is sent out, and the reflected signal is examined for common elements of the out-going signal. Pulse compression is an example of matched filtering. It is so called because impulse response is matched to input pulse signals. Two-dimensional matched filters are commonly used in image processing, e.g., to improve SNR for X-ray. Matched filtering is a demodulation technique with LTI (linear time invariant) filters to maximize SNR. It was originally also known as a North filter.

How to pronounce matched filter?

  1. Alex
    Alex
    US English
    Daniel
    Daniel
    British
    Karen
    Karen
    Australian
    Veena
    Veena
    Indian

How to say matched filter in sign language?

  1. matchedfilter

Numerology

  1. Chaldean Numerology

    The numerical value of matched filter in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of matched filter in Pythagorean Numerology is: 7

Images & Illustrations of matched filter

  1. matched filter

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"matched filter." Definitions.net. STANDS4 LLC, 2020. Web. 8 Apr. 2020. <https://www.definitions.net/definition/matched+filter>.

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