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Question about high pass filtering with butter

Posted: 26 Aug 2010, 03:28
by YongLiUCSD
Hi

I tried to use matlab to realize the high pass filtering with butter. But the residual displacement is always there. And based on some reference, the low cut filtering can not remove the residual displacement without baseline correction. But your software can do it just with highpass filtering. Can you tell me how you do that.

THANKS

Re: Question about high pass filtering with butter

Posted: 27 Aug 2010, 17:43
by seismosoft
Hi Yong,

We use an external library for the filtering operations: www.teworks.com.

Regards,

Seismosoft Support