Method for suppressing interferences in a sampling process as well as a device for carrying out the method
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United States of America Patent
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Jan 19, 2016
Grant Date -
May 28, 2015
app pub date -
Mar 25, 2013
filing date -
May 16, 2012
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Abstract
A method is provided for suppressing interferences in a sampling process. The method includes the method step of sampling an analog useful signal at a sampling frequency f as well as determining whether an interference amplitude is present. In the presence of an interference amplitude, a stochastic shift of the chronologically equidistant sampling points in time, which are determined by the sampling frequency f, is carried out within a range [−Δt; +Δt] (21) around the equidistant sampling points in time, Δt being the maximum shift. Subsequently, a resampling of the analog useful signal is carried out. It is redetermined whether an interference amplitude is present. In the case of the continuous presence of an interference amplitude, a change in the absolute value of the maximum shift |Δt| is carried out and the process is restarted with the method step of stochastically shifting the sampling points in time.
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