IMPULSE NOISE MEASUREMENT BY SPECTRAL DETECTION
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United States of America Patent
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Dec 19, 2011
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Dec 20, 2010
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Abstract
A method and device are provided for measuring impulse noise in a signal. The method includes: measuring at least one first signal; converting the first signal in the frequency domain; defining a variable-frequency triggering threshold on the basis of stationary characteristics of the first signal; measuring a second signal; converting the second signal in the frequency domain; storing the second signal when the second signal reaches or passes the triggering threshold; and high-pass-filtering the stored signal.
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