Method and an apparatus for performing a measurement of a continuous sheet
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United States of America Patent
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Issued Date -
Apr 15, 2004
app pub date -
Oct 15, 2002
filing date -
Oct 15, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method and an arrangement for performing a measurement of a continuous sheet. At least one measurement of the sheet is performed by at least one sensor, an estimate of the sampling function of the sensor being available. The solution comprises means for performing deconvolution using at least one iteration of an algorithm which corresponds to the deconvolution, and the means are arranged to perform the deconvolution of the at least one measurement with the estimate of sampling function. The solution can be applied in a CD-measurement of a continuous sheet. The solution can also be applied in controlling production of a continuous sheet.
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