Advanced signal process for a material storage measuring device
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United States of America Patent
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Dec 7, 1999
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N/A
app pub date -
May 20, 1997
filing date -
May 20, 1997
priority date (Note) -
Expired
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Abstract
An advanced signal processing technique accurately discriminates and estimates a small sinusoidal signal in close proximity from one or more large sinusoidal signals. The technique involves using digital processing techniques to accurately estimate the frequency (96), amplitude (94) and phase (98) of the one or more large sinusoids and then using this estimate to obtain an accurate estimate of the small sinusoidal signal by subtracting the large sinusoid from the data to obtain a residual and reprocessing the residual.
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