Normalisation of data points

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Lizan
Lizan 2014-3-21
回答： Star Strider 2014-3-21
Hi,
I have a set of data points that has a drift, that is the power is decreasing with time (the line) although the line are suppose to be stable (horizontal).
Is there a way to make the ground level of my data horizontal at these parts without compromising the other parts of my data? In a way normalising the data?

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回答（1 个）

Star Strider
Star Strider 2014-3-21
I suggest the detrend function. It will remove a linear baseline drift.

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