Boots – shoes – and leggings
Patent
1991-04-30
1993-09-28
Harvey, Jack B.
Boots, shoes, and leggings
364576, 364574, 364483, 36472401, 36472406, G01R 2300, G06F 300, H03H 1700
Patent
active
052491501
ABSTRACT:
A circuit and method for iteratively estimating Fourier coefficients of one or more Fourier components of a measuring signal utilizes a filter to determine the Fourier coefficients for sampling time k-1. The coefficients are utilized to obtain an estimate of the measuring signal at sampling time k. A subtractor circuit subtracts an actual sample of the measuring signal at sampling time k from the estimate of the measuring signal at sampling time k to obtain a difference signal. The difference signal is inputted back into the filter to determine an estimate of the Fourier coefficients at sampling time k.
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Signal Processing IV, Theory and Applications EUSIPCO 88, "A Recursive Estimator for the Determination of Unknown Constant or Slowly Varying Fourier Coefficients", Gruber and Toedli, pp. 1433-1436.
Gruber Peter
Todtli Jurg
Buroker Brian
Harvey Jack B.
Landis & Gyr Betriebs AG
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