Apparatus and method for compensating the drift of a local...

Details Apparatus and method for compensating the drift of a local... Apparatus and method for compensating the drift of a local...

G - Physics

01

D

G01D 3/028 (2006.01) G01D 9/00 (2006.01) G01V 1/26 (2006.01) G06F 3/05 (2006.01)

Patent

CA 2553495

The invention relates to an apparatus and a method for data acquisition, the apparatus being characterized in that it comprises an analog/digital converter (510) sampling at an imperfect frequency F E provided by a local clock (100) data acquired by a sensor (500) thus providing a series of sampled and dated data E[k], a time-stamping module (300) for measuring the frequency error of the local clock (100) by determining the sampling dates according to a universal time UTC(t), and a resampling module (400) for correcting the sampled and dated data E[k].

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